Packaging structure and packaging sheet and packaging group thereof

Abstract

The utility model relates to food packaging technical field, especially a kind of packaging structure and its packaging sheet, packaging group. At least one side exists three vertices, and at least has one vertical surface. The packaging with triangular structure can make its structure more stable, when three vertices are top surface, because sealing area is the vertical line of triangle of three vertices, top surface is split along the vertical line to open this triangular top surface 110, and the connected flap is unfolded, and all sealing areas of top 110 can obtain a larger oblique opening. Relative to prior art, the technical effect of the utility model is that the utility model has a vertical surface, and the supporting performance is good. There is also a three-vertex surface, and the stable characteristics of triangle can improve the stability of the packaging structure.

Description

Technical Field

[0001] This utility model relates to the field of food packaging technology, and in particular to a packaging structure and its packaging sheet and packaging assembly. Background Technology

[0002] Most beverages, such as milk, are currently packaged in sealed containers.

[0003] See the patent document with publication (announcement) number CN108349206A. It is a hexahedron with four supporting ribs. All six sides are parallelograms, but it is still easy to deform, and the stability of the packaging structure is poor.

[0004] Most existing technologies use six-sided brick-shaped packaging, which is not eye-catching enough on shelves. When placed deep in the shelf or on the lower shelf, it is generally difficult to see the graphic on the front, and customers do not know what it is. In addition, the opening method is simple, requiring external accessories and cannot be poured out.

[0005] See the patent document with publication (announcement) number CN101808816A. Its front is easy to display (which is conducive to attracting consumers), but it does not have supporting ribs, and the stability of the packaging is poor. Therefore, it is necessary to use thicker blanks or introduce other load-bearing supports such as air bubbles.

[0006] The existing technology of the Eclair pot is a package with a sloping surface, which has a sloping or curved surface and a pourable fluid channel. It can overcome the above problems, but it sacrifices the stability of the packaging and is composed of three packaging materials, making the process complicated. Summary of the Invention

[0007] The technical problem this utility model aims to solve is: how to provide a packaging structure that is both visually appealing and easy to pour, while also improving the stability of the packaging structure.

[0008] The specific technical solution of this utility model is as follows: At least one side has three vertices and at least one upright face.

[0009] Packaging with a triangular structure makes its structure more stable. When the three vertices are the top surface, because the sealing area is the vertical line of the triangle formed by the three vertices, the top surface is split along the vertical line to open this triangular top surface 110, and the connected flaps are unfolded together. Opening all the sealing areas of the top 110 will result in a large oblique opening. A sealed structure formed by folding packaging sheet, with three vertices serving as sealing surfaces and / or upright surfaces, and the upright surfaces being perpendicular to at least one surface; The sealing surfaces of the packaging structure include the top and bottom surfaces; It has angles, including flat angles and non-flat angles, which can be set to be concave or convex toward the packaging structure; It also has curved or inclined surfaces.

[0010] It should be noted that the surface defined by the three vertices is an imaginary triangular surface. In reality, the packaging can be composed of smooth curved surfaces, and the packaging may have a structure with three vertices, or the upright sidewalls of the packaging may be a structure composed of three vertices or three ridges on an inward fold. There is no very intuitively obtainable plane, so it is necessary to use an imaginary plane defined by the three vertices to define the positional relationship of the top or side surfaces, which are not intuitively obtainable.

[0011] The top or bottom surface refers to the top and bottom positions of the sealed area. When described as a surface with three vertices, it can be interpreted as an imaginary surface defined by the three vertices, used to define the posture and positional relationship of a certain surface on the packaging. When this imaginary surface is the top surface, the tilt direction of the top of the packaging is consistent with the imaginary surface. When the imaginary surface is parallel to the bottom surface, the upper and lower edges of the packaging's front view are parallel. Theoretically, the top surface of the packaging can be stacked stably during transportation. However, when the imaginary surface is not parallel, the upper and lower edges of the packaging's front view are not parallel, and the top is slanted. When items are stacked on it, there is a possibility of slipping, or the top surface may crack due to uneven stress caused by heavy objects. When this imaginary surface is a side surface and perpendicular to the bottom surface, one edge of the front view is perpendicular to the lower edge, meaning that the side of this packaging can be neatly placed next to another upright package. The front view is a view angle diagram from which the top, bottom, and side surfaces cannot be directly and completely observed. Therefore, the positional relationship between the top or side surface with three vertices and the bottom surface described in the text refers to the positional relationship between the imaginary surface formed by these three vertices and the bottom surface, which can be understood through a front view. The bottom edge or side edge of the top surface describes the imaginary edge formed by the line connecting the three points. When the top, bottom, or side surface is mentioned separately in the text but not emphasized, it only refers to its position on the packaging structure and does not include planar technical features or concepts.

[0012] The term "vertical surface" means that it is at least perpendicular to the top or bottom surface of the sealing surface, where the top surface is still an imaginary plane. Emphasizing the sealing surface means that it represents the positional relationship between the top and bottom surfaces in possible filling processes, but it does not mean that it is the actual bottom surface used. Either side of the packaging can be used as the bottom surface depending on the needs of use or design.

[0013] The sealing surface refers to the top and bottom surfaces of the transversely arranged sealing area. Because a triangular structure is introduced, there will inevitably be instances where the two surfaces related to the triangular structure are not parallel, i.e., they are inclined or curved surfaces.

[0014] An inward or outward convex structure on the side of the packaging refers to a corner. A flat corner has its top and bottom surfaces touching, while a non-flat corner is conical and its top and bottom surfaces do not touch. The packaging is sealed by sealing areas. Continuous sealing areas can be divided into corner sealing areas and top sealing areas based on their position. The corner sealing area is located at the corner. When the corner faces outward, the sealing area extends continuously in that direction. When the corner faces inward, the corner sealing area folds and is partially covered by the top sealing area.

[0015] It should be noted that when the folding direction of the outward folding angle (winglet) is not specified in the design, the flat outward folding angle can be fixed by arbitrarily bringing it close to the two adjacent surfaces.

[0016] It should be noted that when the specific structure of the bottom surface is not emphasized in any of the embodiments of this case, its specific structure can be referred to in the prior art.

[0017] A face with three vertices is a vertical face, and is composed of three vertices with inwardly concave non-flat angles; the bottom of the packaging structure is a quadrilateral, which gradually tapers upwards to a line, and its front view is a trapezoid, that is, the opposite side of the vertical face has a non-flat angle that convexes outwards.

[0018] It should be noted that the bottom surface of the above packaging structure is quadrilateral, and the vertical surface is the imaginary surface defined by the three vertices or three edges exposed on the outer side of the inward fold angle 120° that folds inward towards the packaging. The opposite side of the inward fold angle has an outward convex angle; the convex angle can be used to create an opening, while the concave angle provides support and fixation. Furthermore, it can accommodate the convex angles of the same packaging. This allows for simultaneous processing to achieve a row-like effect. This embodiment is similar in appearance to the Ecklin pot, with a sloping surface and a handle, and a sloping spout. However, the Ecklin pot requires three irregularly shaped sheets to be sealed, while this embodiment is folded from a single packaging blank. This packaging structure, replacing the Ecklin pot, can reduce both processing costs and processing steps.

[0019] The concave non-flat angle can be embedded by the convex non-flat angle, or, The convex non-flat corner can be covered or connected by the concave non-flat corner of another packaging structure, thereby enabling two or more packages to be neatly arranged or connected, and allowing two or more packaging structures with convex corners to fit together.

[0020] It should be noted that this invention provides a jug-shaped packaging structure with outward-protruding corners, which can be used as an outlet for jug-shaped packaging; it also has inward-concave corners, allowing two identical packages to be combined and sold like building blocks, and the outward-protruding corners will not become an obstacle to transportation. The two packages can be interlocked to effectively protect the packaging structure and the pre-set opening structure on the packaging structure. The packaging can even be opened while disassembling and assembling. It is simple to operate, convenient to use, and easy to transport. Multiple packages can be produced and filled together, making production simple and efficient.

[0021] It should be noted that this does not emphasize that another packaging material with a concave corner must have the same structure as the packaging structure in this case. That is, other packaging structures with suitable concave corners can be matched with the packaging structure in this case. This allows for more packaging to be combined in various ways to achieve sales objectives or to bring more other functionalities.

[0022] like Figure 25 The two packages are neatly arranged or connected together.

[0023] The vertical surface of the packaging structure is a quadrilateral, with the surface having three vertices being the top surface; the bottom edge of the top surface has a connected flat angle, and the included angle between the two sides of the flat angle is less than 90 degrees.

[0024] When the three vertices are at the top position, since both the top surface and the flat angle connected to the bottom edge of the top surface have continuous sealed areas, when the angle between the bottom edge and the side edge of the top surface is less than 90 degrees, the area of ​​the flat angle naturally increases to keep the top and bottom surfaces parallel. However, since the bottom edge is a fixed value, the flat angle with a triangular surface is longer, and its apex angle is sharper. Furthermore, by reducing the angle between the bottom edge and the side edge of the top surface while keeping the top surface horizontal, the flat angle will appear longer, larger in area, and with a smaller apex angle. A larger flat angle is suitable for creating openings on it. And by opening the packaging through the sealed area of ​​the top surface, the triangular top surface can be separated to obtain a larger, angled opening.

[0025] The opposite side of the vertical face has a non-flat angle, the vertex of the side of the angle is located on the top surface, and it is folded inward or outward; the bottom edge of the side of the non-flat angle is collinear or not collinear with the edge of the bottom surface.

[0026] It should be noted that this embodiment includes the following schemes: 1. The non-flat angle is folded inward, and the bottom edge of the opposite non-flat angle side is collinear with the bottom edge; 2. The non-flat angle is folded outward, and the bottom edge of the opposite non-flat angle side is collinear with the bottom edge; 3. The non-flat angle is folded inward, and the bottom edge of the opposite non-flat angle side is not collinear with the bottom edge; 4. The non-flat angle is folded outward, and the bottom edge of the opposite non-flat angle side is collinear with the bottom edge. Furthermore, the non-flat angle is a curved cone or a pyramid with ridges.

[0027] The opposite side of the vertical facade has longitudinally arranged flat angles, the apex of which is located on the top surface and folds inward or outward; and / or The outward-folding, longitudinally arranged flat corners are sealed and cut to form handles, and the packaging can be opened through the flat corners or the top sealing area to present a pot-shaped package with handles.

[0028] It should be noted that the vertically arranged flat angle here refers to an angle formed by two adjacent triangular pieces folded inwards or outwards, arranged vertically on the opposite side of the vertical surface. This angle also has a sealing area. Further, this angle is folded outwards, and the two adjacent triangular pieces are sealed together, with holes punched and cut at the sealing position to form a handle.

[0029] It is a triangular prism with a triangular base, and the quadrilateral upright surface can be used as the base for transportation and use; and / or, The packaging structure, shaped like a triangular prism, has integrally molded functional areas on opposite sides of its uprights, which can be used as handles or interlayers for sealing fittings; and / or The opposite side edges of the upright face of the triangular prism can have openings.

[0030] It should be noted that at least the following combinations are possible: 1. The sealed packaging is in the shape of a triangular prism; 2. The opposite sides of the upright face of the triangular prism have functional areas, such as handles, or double-layered functional areas to hold accessories, such as straws, spoons, or condiments; 3. The packaging can be opened by creating openings at the opposite edges of the upright face of the triangular prism; 4. All combinations of the above technical features. It should also be noted that the bottom and top surfaces of the sealed packaging during filling may differ from the actual bottom surface used. Furthermore, the opposite edges of the upright face of the triangular prism, i.e., the edges of the functional areas, need to be sealed to ensure airtightness before they can function as functional areas. Perforations can be made within these functional areas to achieve the function of a handle.

[0031] It is shaped like a triangular prism with a triangular base, and the quadrilateral upright surface can be used as the base for transportation and use. The packaging structure has an integrally molded functional area on the opposite side of its upright surface, which is used as a handle. The triangular prism has openings at the positions of opposite ribs on its upright face, and the packaging structure is a packaging bag.

[0032] It should be noted that the packaging structure here has an opening, making it a non-sealed structure, which can be understood as a packaging bag used to hold items. All embodiments in this case are formed by folding a single packaging sheet, with a quadrilateral base and two triangular sealing surfaces, allowing the packaging bag to stand upright on a table. Furthermore, the packaging sheets of the two packaging units can be centrally symmetrical and complementary, reducing waste generation. In contrast, most existing packaging bags have poor support performance, and forming handles requires cutting relatively large pieces of waste material. Therefore, a packaging solution that generates less waste during processing and has strong support performance is needed. Further explanation is that the two sealing surfaces of the triangular prism can be designed to be inclined towards each other, meaning the two sealing surfaces are not parallel.

[0033] The bottom of the packaging structure is quadrilateral, tapering upwards to form a three-vertical face. Its frontal view resembles a trapezoid, meaning the opposite sides of the vertical surface also have three-vertical faces, forming convex angles. The bottom of the packaging structure is a quadrilateral, which tapers upwards to form a top surface with three sloping vertices. The opposite side of the vertical surface also has a surface with three vertices, forming a convex angle.

[0034] It includes two embodiments: one in which the top and bottom surfaces are parallel, and the other in which the top and bottom surfaces are not parallel. Both have oblique, non-flat convex angles on opposite sides of their vertical surfaces, which can be used to set up a pouring outlet or form an easy-to-grip grip when located on a shelf.

[0035] There exists at least one side that gradually narrows towards the opposite side; The packaging structure has an oblique opening and / or an oblique fluid channel, i.e., an opening structure for opening is provided on the convex corner, or an opening is provided by at least the corner sealing area fold line located at the concave corner, which separates the top sealing area to form an oblique opening for opening.

[0036] It should be noted that because it has a triangular structure, one side will inevitably taper towards the opposite side along the triangular structure. To facilitate unloading, the packaging structure can have openings at the convex corners or the apex of the triangle, thus forming an outlet. The flat corners (wings) are unfolded to transform from flat corners into non-flat pyramidal corners, allowing the wing with openings to have fluid channels through spatial changes.

[0037] See Figure 3 The area enclosed by tear lines 1801, 1802, and 1803 is the sucking opening.

[0038] The packaging structure consists of structural lines forming the supporting ribs of the vertical and bottom surfaces, while the remaining areas are divided by decorative lines. Decorative lines include imaginary lines and / or trace lines. Imaginary lines are the bending axes that cause the flat packaging blank to bend into a curved surface, while trace lines are the ribs that cause the flat packaging blank to bend into multiple intersecting surfaces. By reducing the trace lines partially or entirely, at least two surfaces or regions are merged into a continuous surface, and the surface is curved by imaginary lines; or By adding additional traces, the surface can be split into at least two faces, or a single plane can be split, to meet the needs of appearance and design.

[0039] It should be noted that, apart from the supporting ridges on the vertical and bottom surfaces, all other lines are decorative. For example, the junction line between the top and front surfaces can be removed to obtain a smooth curved surface extending from the top to the front; or this smooth curved surface or plane can be divided into multiple desired surfaces to meet design requirements. More lines can be added, and these lines can intersect each other, but they cannot intersect perpendicularly with imaginary lines. Imaginary lines are not real lines, but are used to define the bending direction or bending axis of the curved surface.

[0040] It is an integral structure, with structural lines dividing the vertical and bottom surfaces and forming the supporting ribs. The remaining areas are divided by decorative lines, which include imaginary lines and embossing lines. The imaginary lines are the bending axes that cause the flat packaging blank to bend into a curved surface, and the embossing lines are the ribs that cause the flat packaging blank to bend into multiple intersections. It also has at least one corner area for bending into a non-flat angle, or at least one triangular top surface area.

[0041] The angular region includes at least the lower base of the triangle and the apex region which is distributed on both sides of the triangle and connected to it; or, the lateral edges of the angular region are curves that convex outward from the angular region. It is important to note that for the corner areas used to form inward or outward folds that are not flat, the side edges bulging outward will create a smoother curved support rib, making the packaging look more rounded and smooth, and forming an arched structure that also provides support.

[0042] Compared with the prior art, the technical advantages of this utility model are that it has a vertical surface, which provides better support performance; it also has a three-vertical surface, which utilizes the relatively stable characteristics of triangles to improve the stability of the packaging structure.

[0043] The top surface has three apex angles. When the top surface sealing area is broken, the top surface can easily provide a large sloping outlet, or it has a flat angle of less than 90 degrees to facilitate the setting of the outlet. When the unfolding angle turns the flat angle into a convex angle, an sloping fluid channel can be formed. The sides are triangular, and the opposite side also has a slanted angle to facilitate the setting of openings to form slanted fluid channels; A triangular structure inevitably results in a sloping or curved surface, which makes the display on the shelf more intuitive and visually striking. The visual angle of a sloping surface is larger than that of a straight surface, allowing customers to see the packaging at a glance from the side.

[0044] Meanwhile, packaging made from a single sheet of material with a triangular structure can improve lateral or longitudinal stability.

[0045] Finally, anything with triangular facets will inevitably be sloping, and sloping facets offer better display performance. Triangular facets can also serve as grippers, making it easier to grab items from the shelf. Attached Figure Description

[0046] Figure 1 This is a schematic diagram (a) of the packaging structure of this utility model.

[0047] Figure 2 This is a schematic diagram (II) of the packaging structure of this utility model.

[0048] Figure 3 This is a diagram of the sucking opening.

[0049] Figure 4 This is a schematic diagram (III) of the packaging structure of this utility model.

[0050] Figure 5 This is a schematic diagram (IV) of the packaging structure of this utility model.

[0051] Figure 6 This is a schematic diagram (V) of the packaging structure of this utility model.

[0052] Figure 7 This is a schematic diagram (VI) of the packaging structure of this utility model.

[0053] Figure 8 This is a schematic diagram (VII) of the packaging structure of this utility model.

[0054] Figure 9 This is a schematic diagram (VIII) of the packaging structure of this utility model.

[0055] Figure 10 This is a schematic diagram (IX) of the packaging structure of this utility model.

[0056] Figure 11 This is a schematic diagram (X) of the packaging structure of this utility model.

[0057] Figure 12 This is a schematic diagram (XI) of the packaging structure of this utility model.

[0058] Figure 13 This is a schematic diagram (XII) of the packaging structure of this utility model.

[0059] Figure 14 for Figure 12 A schematic diagram of the corresponding packaging blank.

[0060] Figure 15 for Figure 1 A schematic diagram of the corresponding packaging blank.

[0061] Figure 16 for Figure 2 A schematic diagram of the corresponding packaging blank.

[0062] Figure 17 for Figure 8 A schematic diagram of the corresponding packaging blank.

[0063] Figure 18 for Figure 6 A schematic diagram of the corresponding packaging blank.

[0064] Figure 19 for Figure 10 A schematic diagram of the corresponding packaging blank.

[0065] Figure 20 for Figure 11 A schematic diagram of the corresponding packaging blank.

[0066] Figure 21 This is a schematic diagram (XIII) of the packaging structure of this utility model.

[0067] Figure 22 for Figure 12 A schematic diagram of the corresponding packaging blank.

[0068] Figure 23 This is a schematic diagram (XIV) of the packaging structure of this utility model.

[0069] Figure 24 This is a schematic diagram (XV) of the packaging structure of this utility model.

[0070] Figure 25 is a schematic diagram of the packaging structure of this utility model. Detailed Implementation

[0071] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0072] In this specification, each group of embodiments may include multiple embodiments, and the grouping of embodiments is merely for the convenience of describing this patent.

[0073] Explanation of technical terms: A three-vertex face: a planar or curved figure bounded by three line segments and / or curves, which has three vertices; Vertical plane: A side surface perpendicular to the bottom surface, or an imaginary plane defined by the three vertex corners at the top; Support rib: Located on a vertical surface, it is a crease or boundary line extending upwards or diagonally upwards from the bottom surface; Flat angle: refers to a winglet, which has a structure with at least two surfaces and the edges of the two surfaces are attached together.

[0074] Non-flat angle: An angle that resembles a pyramid or cone, where no two faces touch and there is space between them.

[0075] Crease line: A straight or broken line mark that makes it easy to fold a board along the mark. After folding, there are two intersecting planes, and the line of intersection is the crease line, which can be a line segment or a curve.

[0076] Boundary line: The line connecting two adjacent sides.

[0077] The vertical and bottom surfaces are divided by structural lines, which also form the supporting ribs. The remaining areas are divided by decorative lines, which include imaginary lines and indentation lines. The imaginary lines are the bending axes that cause the flat packaging blank to bend into a curved surface, and the indentation lines are the ribs that cause the flat packaging blank to bend into multiple intersecting surfaces.

[0078] A packaging structure formed by folding a packaging sheet, the interior of which is a sealed space, including at least one upright surface and a three-vertical facet.

[0079] The packaging structure has angles, including flat angles and tapered angles, which can be set to be concave or convex in the packaging structure.

[0080] The surface with three vertices is a vertical surface, and it is composed of the three vertices of a concave cone angle; the bottom surface of the packaging structure is a quadrilateral, and its cross-sectional area gradually decreases as the packaging structure extends upward. When it extends to the top of the packaging structure, it becomes linear, and its front view is trapezoidal. That is, the opposite side of the vertical surface has a cone angle that convexly outwards. See the second set of embodiments.

[0081] The upright surface of the packaging structure is a quadrilateral, and the surface with three vertices is the top surface; the bottom edge of the top surface has a connected flat angle, and the included angle between the two sides of the flat angle is no greater than 90 degrees, as can be seen in the third and fourth sets of embodiments.

[0082] The opposite side of the vertical face has a conical angle, the vertex of which is located on the top surface and folds inward or outward; the bottom edge of the side of the conical angle may or may not be collinear with the edge of the bottom surface, as can be seen in the second set of embodiments.

[0083] The opposite side of the upright surface has a longitudinally arranged flat corner, the vertex of the side of the corner is located on the top surface, and it is folded inward or outward; the longitudinally arranged flat corner that is folded outward forms a handle through sealing and cutting, and the packaging can be opened through the flat corner or the top sealing area to present a pot-shaped packaging with a handle.

[0084] The bottom of the packaging structure is quadrilateral, tapering upwards. Its front view is trapezoidal, meaning that the opposite side of the vertical surface has a non-flat angle that bulges outwards. See the second set of embodiments.

[0085] The bottom area is not less than the cross-sectional area of ​​the top, i.e., it gradually tapers upwards along the ridges of the packaging structure; the packaging structure has decorative structural lines, i.e., imaginary lines and / or creases, which partially or completely merge at least two connecting surfaces of the folded packaging structure into a continuous curved surface, or split the curved surface into at least two connecting surfaces. At least two surfaces are parallel or perpendicular to each other, and the packaging structure has oblique openings and / or oblique fluid channels, i.e., opening structures for opening are provided on the outward convex corners, or the top surface is opened to form an oblique opening. Inward folds are for structural stability, and outward folds form structural areas where openings or other functions can be provided. Partial or complete conversion of creases with imaginary lines allows for the conversion between at least two planes and curved surfaces. The packaging structure has structural lines, including imaginary lines and traces; imaginary lines are the bending axes of curved surfaces, and traces are used to bend the flat packaging blank into the ridges of the packaging structure; the packaging structure has decorative traces, which can be used to merge multiple surfaces or regions into a continuous surface and bend them into curved surfaces by erasing some or all of the unnecessary and non-supporting traces; or by adding unnecessary and non-supporting traces, a curved surface can be divided into multiple surfaces, as can be seen in the fifth set of embodiments.

[0086] The packaging structure also has a top sealing area and a bottom panel. The packaging structure extending between the top sealing area and the bottom panel is formed by folding packaging blanks of individual packaging units. Specifically, the cylindrical packaging blank of a single packaging unit can be split from the longitudinal sealing area and unfolded into a flat packaging sheet of the single packaging unit. The packaging sheet includes at least: The bottom area, which is the entire quadrilateral bottom area used for folding and sealing into the shape of the packaging structure; The side area, arranged perpendicular to the bottom area, is used to form the vertical surface and the opposite side; The main surface area, including the front and back areas, is arranged perpendicular to the bottom area, and the left and right edges of the front panel connect with the side areas. The corner region, located on the side region or adjacent to its upper edge, is used for folding to form flat and non-flat corners, and is divided into inner corner region and outer corner region according to the direction of the folded corner; the corner region is divided into a triangular main wing and a pair of triangular side wings distributed on its two sides due to folding. The longitudinal sealing area is set longitudinally at any position on the cylindrical packaging blank, and after being unfolded, it is distributed on both sides of the flat packaging blank (preferably, the longitudinal sealing area does not pass through the wing area). The horizontal sealing area includes the upper sealing area and the corner sealing area (the horizontal sealing area is defined by the sealing edge and the cutting edge). Structural lines, pre-defined structural lines, divide all the elements that make up a single packaging body.

[0087] First set of embodiments: like Figure 1 A packaging structure 100 has a vertical side 101, and its top and bottom surfaces are both three-vertical faces, forming a triangular pyramid shape. 110 and its opposite side are the top and bottom surfaces for filling, but the vertical surface can be used as the bottom surface during transportation and use.

[0088] Second set of embodiments: A packaging structure 100 includes a bottom surface 100. The edge of the bottom surface 100 is folded over and extends upward to form a side surface 101. As the side surface 101 gradually extends upward, its cross-sectional area gradually decreases. When it reaches the uppermost point, it forms a top sealing area 192. One end of the top sealing area 192 is located in a convex corner area 121. The other end of the top sealing area 192 covers the concave corner sealing area 120, that is, the vertex of the concave corner is located inside the packaging.

[0089] like Figure 2 The two supporting ribs 180 on the vertical face 101 are curved.

[0090] like Figure 5 The two supporting ribs 180 of the vertical face 101 are straight lines.

[0091] Third set of examples: like Figure 6-7 A packaging structure 100 has a quadrilateral base, a quadrilateral vertical surface 101 on one side, a three-vertical surface A106 opposite the vertical surface 101, and a three-vertical surface B105 on its top surface. The three-vertical surfaces A106 and B105 share a vertex 1051, which is located far away from the packaging structure.

[0092] This creates a gripping angle 1052 at vertex 1051. The gripping angle 1052 is far from the packaging structure and relatively thin (meaning the distance from the front side to the back side is relatively small), making it convenient to grab from supermarket shelves.

[0093] like Figure 6 The three vertex faces B105 are horizontal planes.

[0094] like Figure 8 The three-vertex face B105 is an inclined plane, with vertex 1051 being higher. The gripping angle 1052 makes it easier to grab items from shopping malls and supermarkets.

[0095] like Figure 9 An inverted exit 1053 is located at vertex 1051.

[0096] like Figure 6-7 The three vertex faces A106 are inclined planes.

[0097] Fourth set of examples: like Figure 10A packaging structure 100 has a quadrilateral base, a quadrilateral vertical surface 101, a three-vertical surface A106 opposite the vertical surface 101, a three-vertical surface B105 on its top surface, and a vertex P of the three-vertical surface A106 away from the vertical surface 101 located directly above the side MN of the base away from the vertical surface 101. The three-vertical surface A106 is an inclined plane.

[0098] This creates a gripping angle of 1055° outside vertex P. This gripping angle is far from the packaging structure and relatively thin (meaning the distance from the front side to the back side is small), making it easy to grab from shopping malls and supermarkets. Simultaneously, PM and PN are two crease lines distributed in the vertical plane, which also serve as support ribs, facilitating support and increasing the stability of the packaging structure.

[0099] like Figure 11 The point Q, furthest from the bottom surface, extends into the packaging structure through the space between the front and back surfaces until its vertex P becomes the edge of the top surface. Although this reduces the gripping angle, it provides two supporting ribs and an inwardly extending supporting rib, which increases the stability of the packaging structure.

[0100] Fifth set of examples: like Figure 12-14 A packaging structure, wherein the bottom surface 169 is quadrilateral, and the area of ​​the bottom surface is not less than the cross-sectional area of ​​the top surface 160, that is, it gradually tapers upward along the ribs 162 of the packaging structure; the packaging structure has decorative structural lines 161, namely: The structural lines are imaginary lines and / or traces that partially or completely merge at least two connecting surfaces on a folded packaging structure into a continuous curved surface, or split the curved surface into at least two connecting surfaces.

[0101] At least two sides are parallel or perpendicular to each other.

[0102] The packaging structure has an angled opening and / or an angled fluid channel, i.e., an opening structure for opening is provided on the convex corner, or it is opened from the top surface to form an angled opening.

[0103] Inward-folding angles contribute to structural stability, while outward-folding angles create structural areas where openings or other functions can be incorporated.

[0104] Transform part or all of the trace line into an imaginary line, so that at least two planes and surfaces can be transformed into each other.

[0105] The packaging structure has structural lines, including imaginary lines and ridge lines; imaginary lines are the bending axes of curved surfaces, and ridge lines are used to make the flat packaging blank bend into the ribs of the packaging structure.

[0106] A type of packaging blank (also known as packaging sheet) is a single sheet, divided into various regional units by structural lines. The structural lines include imaginary lines and crease lines. The imaginary lines are the bending axes of the curved surface, and the crease lines are used to make the flat packaging blank bend into a predetermined ridge. The crease lines include creases or fold lines. A regional unit is a region with a corresponding area of ​​overlapping surfaces, and also includes a region with a corresponding area of ​​three vertices.

[0107] Sixth embodiment: A packaging blank (also called packaging sheet) is an integral structure, with a vertical surface 201 and a bottom surface 200 divided by structural lines and supporting ribs 203 forming the surface. The remaining area is divided by decorative lines 204, which include imaginary lines and indentation lines. The imaginary lines are the bending axes that cause the flat packaging blank to bend into a curved surface, and the indentation lines are the ribs that cause the flat packaging blank to bend into multiple intersecting surfaces. It also has at least one corner area for bending into a non-flat angle, or at least one triangular top surface area.

[0108] The angular region includes at least the lower base of the triangle and the apex region which is distributed on both sides of the triangle and connected to it, or the side edges of the angular region are curves that convex outward from the angular region.

[0109] Definitions: Bottom surface 169: A flat surface with a sealing line after folding. Corner: An area 201 on the packaging material that forms a corner, which is curled or folded inward or outward to form a concave corner 120 or a convex corner 121. The edge of the packaging material is sealed and connected by the corner sealing area to form a cone shape; it can be divided into three surfaces according to its position, of which one side of the two upper surfaces is sealed by the corner sealing area; the bottom edge of the third surface does not coincide with the vertex of the sealing line. A concave or convex structure formed on the side of the packaging. Includes flat corners (wings 191) and non-flat corners 121 that are cone-shaped. Flat corner (wings 191): A flat corner, the triangular wing 191 is a flattened cone shape, that is, the two sealed surfaces are close to the third surface, that is, folded to form a free end, which can be rotated and folded along the bottom edge to fit the adjacent surface. A flat corner is a structure in which the upper and lower surfaces of the corner are in contact. It should be noted that when the folding direction of the outward folding angle (wing 191) is not specified in the design, the flat outward folding angle 191 can be arbitrarily brought close together to the adjacent two surfaces for fixation. Wing 191 is used to connect the side structure 101 and the bottom structure 169, or to connect the functional side structure and the bottom structure, or to connect the side structure to the top structure. Flat angles can be conventional 45-degree angles or non-45-degree angles. Flat angles can also be concave inwards. Non-flat angles: conical in shape, with the upper and lower surfaces not touching. Necessary support ribs (structural lines): in the unfolded diagram, the lines connecting the bottom surface and the bottom edge of the folding angle to the vertex of the sealing line. Decorative line 204: i.e., imaginary line or crease line (crease line = crease line = fold line = fold line). Side: the surface or structure sharing the bottom edge with the folding angle. The side is the vertical surface, which can be an actual surface or a hypothetical surface. Front: the plane or curved surface that connects to the side. Sloping surface: Not parallel or perpendicular to either the bottom or side surface. Top structure 105: Top areas divided into two sides by a sealing zone. The front and rear top areas are sealed by a transverse sealing zone to form a sealing surface. Functional side: An asymmetrical structure opposite to the side. The side used to add functionality. Asymmetry: Speaking only of the state without attachments, viewed from the front of the package folded from a single piece of packaging material, the folding structures on both sides, i.e., the side and the functional side, are different, including folds with angles pointing inward or outward towards the packaging. a, b, and c point to three vertices, defining a triangular illusory surface defined by the three convex vertices in the structure.

[0110] Current packaging designs commonly employ symmetrical structures, typically featuring two outward-folding corners at the top. While visually appealing, these corners obscure part of the packaging's side, impacting product display. Therefore, the front of the packaging, as the primary display surface, should be maximized for optimal presentation. This leads to the ideal grip for such packaging being from the side, with one side facing the palm and fingers in contact with the main display surface, while the other side faces outwards. From an ergonomic perspective, the outward-facing side is ideal for functionality, such as a pouring spout or handle, but the outward-folding corners limit this design. Furthermore, for larger packages, many 1-liter bottles utilize a symmetrical upright structure. The vertical walls of this structure are difficult to adapt to different user grip strengths and hand shapes, especially when the bottle is full or hands are slippery. Users struggle to maintain a stable grip, and the packaging is prone to deformation. Asymmetrical packaging designs, incorporating triangular faces or structures, effectively avoid these problems. Existing packaging designs lack asymmetrical structures that adapt to hand grip, limiting the functionality and ergonomics of the packaging. Asymmetrical structures, by incorporating curved or sloping surfaces, not only better accommodate hand grip ergonomic requirements but also enhance functionality. Therefore, to address these issues, this project aims to improve grip stability and display by designing one side of the packaging with different structures on both sides. The goal is to add more functionality through this novel packaging form to better meet ergonomic requirements. In short, it provides an asymmetrical, one-piece foldable packaging design.

[0111] In some embodiments, the packaging blank, being the smallest blank unit constituting the packaging structure, can be an independent sheet blank or a repeating unit in a continuous roll; the transverse sealing areas on the bottom surface point to two sides with different structures; the sealing surface of the packaging structure is the top structure or the bottom surface, and the sealing surface and / or the structures on both sides of the triangular structure are such that one end with a wing narrows towards the other end to one end of the transverse sealing area; the structures on both sides are side structures and functional area structures; the vertical surface 101 is a side structure, and the opposite side of the vertical surface 101 is a functional area structure, that is, the vertical surface 101 is not restricted to its verticality but is used to name and distinguish the two sides; the functional area is used to conveniently add new functions at this location; it has angles, including flat angles or non-flat angles, and the angle structures can be folded inwards or outwards into the packaging and sealed and connected by the sealing area, and the sealing area of ​​the inwardly folded angle partially overlaps; the flat angle is the wing structure, which is formed by folding three connected triangular areas, and the area of ​​the wing area is equal to the area of ​​the two triangular areas on its two sides. The connecting surfaces have equal areas and are folded along the two folded edges of the wing area, making the two connecting surfaces coplanar and sealed by the corner sealing area. This results in the two sides being coplanar and overlapping with the wing area, arranged in two layers to form a wing structure. The wing area connects the side surfaces, and the two side surfaces connect to the sealing surface structure, which is divided into two parts by the transverse sealing area. The sealing surface is either the top or bottom surface. The side with three vertices is one side of the packaging structure. The shape of this structure projected onto the reference plane determined by the three vertices is a triangle. This structure is a triangular structure; the packaging structure has at least one triangular structure and one quadrilateral face, with a flat angle at the intersection of the two (intersection line) for connection and transition. The flat angle is a wing, which is attached to either of the two faces with the wing as the axis, and the other side of the quadrilateral face also has a wing; when the projection surface of the top structure is a triangle, the imaginary surface formed by the three vertices of the top structure is parallel to the bottom surface, or inclined with the edge of the wing as the axis; the packaging structure is a sealed structure, or a non-sealed packaging bag structure with functional area openings.

[0112] Specifically, the bottom sealing area points to two different structures. These different structures are integrally formed by folding the packaging blank. Even angles on the same unfolded surface, when folded in different directions (one side folded inwards and the other outwards), constitute different structures. This excludes cases where different flaps are folded towards the side or sealing surface, and any additional, adhesive structures, or structures not formed from the folding of this single packaging blank. The smallest cut unit on the continuous packaging material is displayed independently as a sheet. "Single" does not mean independent component; it can also be a composite material. Viewed directly from the front, this side structure appears triangular, meaning that when viewed from the illusionary surface of this structure, it forms a triangle. The narrowing from one end to the other naturally suggests an asymmetrical structure. The structures on both sides are side structures and functional area structures; these are simply named to distinguish the different functions of the two surfaces. One side is primarily designed to facilitate the addition of functions. The vertical surface 101 is a side structure; it is not limited to whether the vertical surface 101 has a perpendicular relationship with any other surface, but rather simply named this side surface 101. The flat corner is essentially a flap, as described in existing literature. In this case, it's termed a flat corner to distinguish it from a non-flat corner. Each side of a quadrilateral face definitely has a flap. Only the bottom of a triangular structure can have only one flap. Triangular structures are formed by non-flat corners or sealing surfaces. A pentagonal structure has one non-flat corner and one flap on its side, because non-flat corners can only create a structure with a pointed top. The airtightness of the packaging is not emphasized here. It must have at least one triangular structure and one quadrilateral face; their intersection implies that the packaging structure is definitely an asymmetrical structure where the quadrilateral face gradually transitions along the direction of the triangle. This reflects the diversity of packaging options.

[0113] In some embodiments, the functional area structure has non-flat angles or tapered lines; the bottom edge of the non-flat angle side is collinear or not collinear with the bottom edge; the vertex of the non-flat angle side is located on the top surface and folds inward or outward; the flat angle and bottom structure form the necessary supporting ribs for the packaging structure; the lines connecting the vertices of the plane or curved surface can be augmented with traces; or the traces can be modified by replacing straight lines with arc-shaped traces with the same start and end points, or deleting parts of the traces to adjust the curvature of the packaging bottle. Having only one pair of wings of the same size is not a feature of all embodiments.

[0114] In some embodiments, the bottom and side structures are quadrilateral surfaces; in the top structure, the end with the wing connected to the side structure is the base of a triangular structure, the base of the triangular structure gradually tapers towards the vertex P of the other end in the direction of the functional area structure, and the lateral sealing area extends vertically from the vertex P of the triangular structure to the base; the front and back sides connecting the different side structures are curved surfaces or composed of at least two planes; it also includes: the packaging structure has a total of three wings, and at least one wing has a different area than the other wings; the functional area structure has a non-flat angle, that is, the flat angle extends beyond the vertex P and continues to fold outwards from the packaging structure, or the flat angle extends from the top... Point P is recessed into the packaging structure and folded to point Q; the bottom edge of the non-flat angle is either collinear or non-collinear with the bottom edge of the packaging structure on the same side: when collinear, the side view of the packaging structure is triangular; when non-collinear, the bottom edge of the non-flat angle and the bottom edge of the packaging structure on the same side form a quadrilateral surface, i.e., the side view of the packaging structure is pentagonal; the imaginary surface formed by the three vertices of the top structure is parallel to the bottom surface, or inclined about the edge of the wing; or the packaging structure has three wings, and at least one wing has a different area than the other wings; the functional area structure has a longitudinally arranged, integrally folded two-layer structure. The structure, with vertex P as the reference, is folded inward or outward in a concave or convex manner. The projection of the functional area structure onto the imaginary surface of the side structure forms a triangle. The imaginary surface formed by the three vertices of the top structure is parallel to the bottom surface, or inclined about the edge of the wing. Alternatively, the packaging structure has three wing pieces, and at least one wing piece has a different area from the others. In the top structure, the imaginary plane formed by the three vertices, i.e., the imaginary plane formed by the bottom edge and vertex P, is parallel to the bottom surface. The length of the perpendicular line from vertex P to the bottom edge is greater than the width of the bottom surface in the same direction. That is, the functional area structure is inclined and convex outward from the side structure. Alternatively, the packaging structure has three... Each wing is identical; in the top structure, the imaginary plane formed by the three vertices, i.e. the imaginary plane formed by the bottom edge and vertex P, is not parallel to the bottom surface. The length of the perpendicular line from vertex P to the bottom edge is greater than the width of the bottom surface in the same direction. That is, the functional area structure is obliquely convex outward from the side structure towards the packaging and the top surface is obliquely sloping. That is, the imaginary surface formed by the three vertices of the top structure is inclined about the edge of the wing; and / or the top structure and the functional area structure are imaginary lines or indentation lines, i.e., they are rounded cones or cones with four faces. The cones with four faces include the triangular face of the top structure and the triangular face of the functional area structure. The corners can be used to set the opening structure.

[0115] Specifically, the imaginary surface formed by the three vertices of the top structure is parallel to the bottom surface, or inclined about the edge of the wing. This represents two technical solutions in these embodiments: an inclined top surface and a parallel surface. Almost all packaging can be set with an inclined top surface. The shape of the top structure projected onto the bottom surface is a triangle, i.e., this structure is a triangular structure. The tapering to vertex p means that the two sides of the projected triangle of the top structure will also converge at a point. Depending on the embodiment, point p can continue to extend a portion of the structure by folding inward or outward. From the imaginary surface where the three points are located as a cross-section, a line extends a certain distance inward or outward from point p. As shown in Figure 10-13, the packaging structure has only three wing pieces. The wing piece located on the bottom side of the top structure, i.e., the tapered structure, is larger than the other wing pieces due to the influence of the tapered structure. The opposite side of the tapered section must have a structure that generates a vertex, i.e., a non-flat angle. If the base of the non-flat angle is collinear with the bottom surface, it appears as a triangle in side view. If they are not collinear, the base has a certain distance from the edge of the bottom surface, resulting in a quadrilateral. Combined with the pseudo-triangular face of the flat angle, the resulting quadrilateral appears as a pentagon in side view, with the apex pointing upwards and the two sides vertical. There is also a more advantageous embodiment where the edge of the non-flat angle is close to the bottom surface but does not overlap, thus appearing as a triangle in side view, but the base of the non-flat angle actually has a relatively smooth transition with the bottom surface. It should be noted that in this case, one winglet is relatively large and long due to the tapered structure. The angle of the winglet is limited by the included angle of the top surface, i.e., the two adjacent sides of the side containing the winglet on the top surface. When these two adjacent sides remain horizontal and parallel, it is the existing quadrilateral surface of the Tetra Pak brick, and the winglet will also maintain a 90-degree apex angle because of these two sides. When these two sides are not parallel and intersect at a triangular point, the angle of the winglet is determined by the included angle. One embodiment is that the functional area structure has a longitudinally arranged, integrally folded, two-sided sandwich structure, meaning that the packaging material has two adjacent areas of equal size, folded together to form a two-layer structure. This structure is located at the end furthest from the flaps, i.e., the functional area, folding inwards or outwards with point p as a reference. When folded outwards, this structure is a free end, which can be used for sealing, perforation, or other operations as a handle. In this case, the shape of the functional area in the side view of the packaging should be observed by removing this free end structure; it appears as a triangle. Figure 6 , 17 This is a package with a triangular top surface that is parallel to the bottom surface. Because the width of the packaging blank, i.e., the distance between the two longitudinal sealing areas, is the same, the perimeter of the quadrilateral at the bottom of the package is equal to the perimeter of the triangle on the top surface. Since the sides are also the same width, when viewed from the front, one side of the package appears tilted. This is because, for the same perimeter, the height of the triangle on the top surface is greater than the height of the bottom surface, resulting in this tilt. However, to maintain the parallelism of the top and bottom surfaces, it is necessary to adjust the area of ​​the packaging material used to form the top surface, making it a non-linear edge shape, which alters the length and angle of the flaps. Figure 7 ,8 18. The above method involves adjusting the area of ​​the packaging material used to form the top surface to create a non-linear edge shape, but this presents challenges for cutting, filling, and sealing. This embodiment, however, does not make such adjustments, allowing the packaging structure to adapt to the shape of the material. Figure 18 Both horizontal sealing areas are straight lines. The advantage of this design is that filling and sealing can be done without altering existing filling equipment; only the subsequent folding process needs adjustment. However, this packaging results in a cone shape with a non-parallel top and sides, convex upwards at an angle. The three flaps of this packaging are all equal, forming a common 90-degree angle without adjustment. An additional general-purpose technical feature that can be added to all the above embodiments is that the top structure and functional area structure are illusory lines or indentation lines, i.e., rounded cones or cones with four faces. The cones with four faces include the angular faces of the top structure and the angular faces of the functional area structure. These corners can be used to create opening structures. This makes the packaging smoother and more visually impactful, aiming to increase sales.

[0116] In some embodiments, the sealing surface is a triangular surface, and the side structure is a quadrilateral surface, which can serve as the bottom surface for transportation and use; the packaging structure has two flaps; in the top structure, the end with the flap connected to the side structure is the base of the triangular structure, and the other end of the base gradually tapers towards the vertex in the direction of the functional area structure, that is, the transverse sealing area extends vertically from the vertex of the triangular structure to the base; it also includes: the packaging structure is a sealed structure, and the graphic of the functional area structure projected onto the imaginary surface where the side structure is located is a line, that is, the packaging structure is a triangular prism; or the packaging structure is a sealed structure; the functional area structure has a longitudinally arranged integrally folded double-layer structure, which continues to extend outward from the vertices and is folded; the double-layer structure can be used as a handle, or the sandwich layer is used for sealing accessories; or the packaging structure is a triangular prism; the functional area structure has a longitudinally arranged integrally formed structure, which continues to extend outward from the vertices and is used to form an opening and a handle, and the packaging structure is a non-sealed structure, which is a packaging bag with an opening; the sealing surface is perpendicular or not perpendicular to the side structure.

[0117] Specifically, these embodiments mainly explore the case of a triangular prism, that is, the sealing area of ​​the single wing, a feature of this invention, is applied to a packaging structure where both the top and bottom are triangular. It should also be noted that the top and bottom surfaces can be parallel or non-parallel. Furthermore, the integrated folding two-layer structure with a protruding functional area in a longitudinal arrangement means that the packaging material has two adjacent areas of equal size, folded together to form a two-layer structure. This structure is located at the end furthest from the wing, i.e., the functional area. When folded outwards, this structure is a free end, which can be sealed or perforated to serve as a handle. Another embodiment has no longitudinal sealing line, only a transverse sealing line. The packaging material has two adjacent areas of equal size located on both sides of the packaging blank. This area is not sealed and protrudes from the packaging, cut into a handle shape. Thus, the handle position and opening are both provided. The upper and lower transverse sealing areas are normally sealed, and the wing can be folded arbitrarily to both sides as needed. This is a non-sealed packaging bag. This packaging bag has the advantage of being folded from a single packaging blank, avoiding the sealing and splicing of multiple materials. Furthermore, if the handles are placed on the sides of the blank material, it will be impossible to perfectly splice them into a roll. Therefore, it is still necessary to design the position of the longitudinal sealing area so that the shape of the transverse sealing area is centrally symmetrical. After sealing the longitudinal and transverse sealing areas, punching or cutting holes in this unsealed double-layer area will form the opening and handles. The handles can be on both sides or one side. As long as this double-layer structure is not sealed, direct cutting will form the opening and handles.

[0118] In some embodiments, any set of technical features is provided: the first set of technical features, the side structure and the functional area structure have non-flat angles; the bottom surface is a quadrilateral surface, which gradually tapers upward to the transverse sealing area of ​​the top structure to form a line, with two vertices at both ends; in the side structure, the non-flat angle at the vertex located on one side of the side structure folds inward into the packaging from this vertex; in the functional area structure on the opposite side of the side structure, the non-flat angle convexes outward into the packaging and extends to the vertex located on one side of the functional area structure, with the surface perpendicular to the edge of the bottom surface as a reference. The second set of technical features, further, involves the non-flat angle's base edge being collinear or non-collinear with the bottom edge of the packaging structure on the same side: when collinear, the side view of the packaging structure is triangular; when non-collinear, the base edge of the non-flat angle and the bottom edge of the packaging structure on the same side form a quadrilateral, i.e., the side view of the packaging structure is pentagonal. The third set of technical features, further, involves the inward-convex angle of the packaging structure being consistent or inconsistent with the outward-convex angle; that is: inconsistent, the base edge of the non-flat angle is collinear with the bottom edge of the packaging structure on one side, but not on the other; or both sides are not collinear, and the distances between the base edges of the non-flat angles on both sides and the bottom edge of the packaging structure on the same side are different, resulting in different quadrilaterals; or consistent, the base edge of the non-flat angle and the bottom edge of the packaging structure on both sides are collinear or the distances are the same, resulting in the same quadrilateral. The fourth set of technical features, further, involves the concave... The shapes of the convex and concave corners are complementary and interlocking; the convex corner can be accommodated by the concave corner, i.e., the concave corner can be embedded in the convex corner; the fifth set of technical features, further above, uses set imaginary lines or fold lines to bend or fold to form concave or convex corners with curved surfaces or multiple planes; the convex and concave corners are curved surfaces formed by rolling up the packaging material, and the curvatures of the two should be the same or complementary, and the curved surfaces are shapes that can interlock so that one can fit onto the other; or the convex and concave corners are formed by multiple planes divided by indentation lines. The angles and directions of the fold lines used to form each surface are consistent to ensure that the concave and convex parts match when joined. Mapped to the bottom surface, the length of the convex corner protruding outside the packaging is less than or equal to the length of the concave corner recessed into the packaging, and the width of the convex corner is greater than or equal to the concave corner to ensure that there is no excessive or insufficient space when the two are spliced. The sharp angles of the concave and convex corners should be parallel. The concave and convex corners are designed as smooth curved surfaces or have minimal fold lines with matched radii of curvature to achieve an aesthetically pleasing appearance and interlocking function.

[0119] Specifically, each set of technical features constitutes an embodiment, inheriting from the previous set and further improving upon it. The concave corner and the ridge of the front of the packaging structure form a folded edge to enhance structural stability and support. The non-flat corners of the side structure and functional area structure appear similar or close in the unfolded diagram, but in reality, differences arise due to changes in the folding direction; the inward and outward structures can fit together. Of course, the fitting relationship also needs to be considered; therefore, in the design of the unfolded diagram, the inward-folded corner can have more curvature and distance added to the edge to better accommodate the outward-folded corner. It should be noted that the flat corners on both sides, depending on whether the bottom edge of the non-flat corner is collinear or not with the bottom edge of the packaging structure on the same side, will produce various combinations of embodiments. The corners on both sides may not appear the same in the unfolded diagram; as long as one side is concave and the other convex, they are all embodiments emphasized in this case. For example, if the unfolded diagrams of packages A and B are identical, they can be continuously filled and folded together. The difference lies in the two corner areas presented in the unfolded diagrams. Therefore, the folding directions of the two corners of the first package A and the second package B can be exactly opposite, allowing for an alternating arrangement of A, B, A, B. The packaging can be folded manually or mechanically. In designs without obvious fold lines (illusory lines), surfaces should be defined by appropriate curvature to ensure both aesthetics and structural integrity and connection strength. Material elasticity should be considered during folding to ensure the folded shape is not affected by elastic deformation. Packaging materials must have sufficient elasticity and rigidity to maintain their folded shape and have fold lines for accurate folding. Material thickness and strength should be appropriate to maintain sufficient structural stability. Material thickness should be considered when designing complementarity; packaging materials should have a certain degree of elasticity, allowing for some bending and adjustment space at concave and convex corners during connection. Packaging materials should be selected with appropriate elasticity and flexibility to facilitate folding and allow for adaptive adjustment during connection. The net length or extreme value (i.e., distance from the base point to the farthest point) of concave and convex portions should be equal or have appropriate tolerances to allow for interlocking. It should also be noted that the above further refinements are improvements to the previous set.

[0120] In some embodiments, the smallest blank unit constituting the packaging structure may be an independent sheet blank or a repeating unit in a continuous roll; it includes at least two regions, which are used to form the side structure and the functional area structure, respectively, and the two regions have different patterns or folding directions or different indentations; at least one edge of the smallest blank unit is centrally symmetrical, so that two identical units can be precisely joined head-to-head through these edges to form an integral continuous structure.

[0121] Specifically, it has at least two areas for forming different side structures and functional areas. In terms of packaging material, besides different shapes, the indentations are also different. These indentations facilitate bending along the edges, with indentations from the inner surface to the outer surface and from the outer surface to the inner surface. For example, if the indentation is on the inner surface, the inner surface can be more easily bent inwards, allowing the inner surface to adhere to itself. A centrally symmetrical edge design allows for better assembly into long, rolled packaging materials.

[0122] In some embodiments, the at least one edge is centrally symmetrical and not a straight edge; or has at least one corner region for bending into a non-flat angle, or has at least one triangular top surface region; or the corner region includes at least the lower base of the triangle and the corner top surface region distributed on its two sides and connected, or the side edges of the corner region are curves convex outwards from the corner region.

[0123] Specifically, the triangular apex of the packaging structure is divided into two triangular apex regions by the transverse sealing area. The two connecting surfaces are folded along a common side towards the wing region, so the shape formed by the two connecting surfaces coincides with the wing region. Furthermore, the wing angle is less than 90 degrees, so the wing is longer than that of existing technologies. That is, for the same base, a wing with an apex angle less than 90 degrees is larger. A structure with only one wing on the sealing surface results in a wing angle less than 90 degrees. Sheets are the basic unit of packaging materials. During processing, single basic unit sheets or rolls of multiple basic units are rolled into cylinders, folded, sealed, and filled. To save costs, packaging sheets with non-straight edges should have a splicable edge. By adjusting the position of the longitudinal seal line and coordinating the wing with the longitudinal seal line, two identical packaging sheet units can be spliced ​​head-to-head as a group.

[0124] In some embodiments, a packaging assembly is characterized by having the following interrelated technical features: A first set of technical features: a packaging structure constituting the packaging assembly, wherein the height of the inwardly concave angle and the height of the bottom edge of the outwardly convex angle are consistent or inconsistent; when inconsistent, the bottom edge of the non-flat angle is collinear with one side of the bottom edge of the packaging structure on the same side, but not collinear with the opposite side; or both sides are not collinear, and the distances between the bottom edges of the non-flat angles on both sides and the bottom edges of the packaging structure on the same side are different, resulting in different quadrilateral surfaces; when consistent, the bottom edge of the non-flat angle is collinear with both sides of the bottom edge of the packaging structure on the same side, or the distances between them are the same, resulting in identical quadrilateral surfaces; A second set of technical features, further: multiple packaging structures are interconnected by interlocking concave and convex shapes, wherein the outwardly convex non-flat angle is covered or connected by an inwardly concave non-flat angle of another packaging structure; including structures with the same angle properties but folded... Two packaging structures facing opposite directions can be connected to each other by interlocking concave and convex shapes. Multiple identical packages can be connected laterally by inserting the convex corner of one package into the concave corner of an adjacent package, forming a unified arrangement that optimizes space utilization and enhances the stability of the overall structure. The third set of technical features further enhances this: identical packaging blanks can form two opposite packaging structures, meaning the first and second packages can have the same unfolded shape, but their non-flat corner folding directions are opposite. They can then be continuously assembled into a roll of packaging material for continuous filling and folding. The first and second packages can be grouped together, arranged in an alternating pattern of first package, second package, first package, second package. This allows for alternating filling and arrangement of the first and second packages, enabling compact storage of multiple packages, saving space and facilitating transportation.

[0125] Specifically, each set of technical features corresponds to a specific embodiment. The bottom heights of the concave and convex corners on both sides have different possibilities. These are mainly categorized into three types of embodiments: When they remain inconsistent, the bottom edge of the non-flat corner is collinear with one side of the bottom edge of the packaging structure on the same side, but not collinear with the opposite side. This results in one side of the non-flat corner being higher than the other. Both the higher and lower sides can be concave inwards or convex outwards, but the concave-convex relationship on both sides is opposite; if one side is concave inwards, the other side is convex outwards. Alternatively, both sides may not be collinear, and the distances between the bottom edges of the non-flat corners on both sides and the bottom edge of the packaging structure on the same side are different, resulting in different quadrilateral surfaces. When they remain consistent, the bottom edge of the non-flat corner is collinear with both sides of the bottom edge of the packaging structure on the same side, or the distances between them are the same, resulting in identical quadrilateral surfaces. It should be noted that the technical features of these three sets of embodiments are progressively complementary. The first set defines the basic form and variations of the packaging structure; the second set provides practical connection and assembly methods through an interlocking design; and the third set of technical features further utilizes this connection method to achieve specific filling and arrangement strategies, improving the functionality and practicality of the packaging. This design integrates structural flexibility, connection reliability, and filling and storage efficiency, forming a comprehensive solution. For example, if the functional areas of the first package have outward-facing corners, then the functional areas of the second package have inward-facing corners, and the opposite sides of the functional areas follow the same principle.

[0126] For other details, please refer to the prior art. The above are merely preferred embodiments of this utility model. It should be noted that those skilled in the art can make various changes and improvements without departing from the overall concept of this utility model, and these should also be considered within the scope of protection of this utility model.

Claims

1. A packaging structure, characterized by, At least one side has three vertices and at least one upright face; A sealed structure formed by folding packaging sheet, wherein the face with three vertices is the sealing face and / or the upright face, and the upright face is perpendicular to at least one face; The packaging structure is formed by folding a single packaging blank; the sealing surfaces include the top and bottom surfaces. It has angles, including flat angles and non-flat angles, which can be set to be concave or convex toward the packaging structure; When the three vertices form the top surface, the sealed area is the perpendicular line of the triangle formed by the three vertices; or when the face of the three vertices is a vertical surface, it is formed by three vertices with inwardly concave non-flat angles, and their opposite sides have obliquely outwardly convex non-flat angles. It also has curved or inclined surfaces.

2. The packaging structure of claim 1, wherein A face with three vertices is a vertical face, and it is composed of three vertices with inwardly concave, non-flat angles. The base of the packaging structure is a quadrilateral, gradually tapering upwards to a line, and its frontal view is a trapezoid, meaning that the opposite sides of the vertical face have obliquely outwardly convex, non-flat angles; it also includes: The concave non-flat angle can be embedded by the convex non-flat angle, or, The convex non-flat corner can be covered or connected by the concave non-flat corner of another packaging structure, thereby enabling two or more packages to be neatly arranged or connected, and allowing two or more packaging structures with convex corners to fit together.

3. The packaging structure of claim 1, wherein The packaging structure has a quadrilateral vertical surface, with the surface having three vertices as the top surface; the bottom edge of the top surface has a connected flat angle, and the included angle between the two sides of the flat angle is less than 90 degrees, and also includes: The opposite side of the vertical face has a non-flat angle, the vertex of which is located on the top surface and folds inward or outward; the base of the non-flat angle may or may not be collinear with the edge of the base surface; or The opposite side of the upright has a longitudinally arranged flat corner, the vertex of the side of the corner is located on the top surface, and is folded inward or outward; and / or the longitudinally arranged flat corner folded outward forms a handle by sealing and cutting, and the packaging can be opened through the flat corner or the top sealing area to present a pot-shaped packaging with a handle.

4. The packaging structure of claim 1, wherein It is a triangular prism with a triangular base, and the quadrilateral upright surface can be used as the base for transportation and use, or The packaging has a triangular prism structure with a triangular base and a quadrilateral upright surface that can serve as the base for transportation and use. The opposite sides of the upright surface have an integrally molded functional area structure that can be used as a handle or a sandwich layer for sealing components; or It is a triangular prism with a triangular base and a quadrilateral upright surface that can be used as the base for transportation and use; the opposite side of the upright surface of the packaging structure has an integrally formed functional area structure for use as a handle; the opposite side of the upright surface of the triangular prism has an opening, and the packaging structure is a packaging bag.

5. The packaging structure of claim 1, wherein The bottom of the packaging structure is quadrilateral, tapering upwards to form a three-vertical face. Its frontal view resembles a trapezoid, meaning the opposite sides of the vertical surface also have three-vertical faces, forming convex angles. The bottom of the packaging structure is a quadrilateral, which tapers upwards to form a top surface with three sloping vertices. The opposite side of the vertical surface also has a surface with three vertices, forming a convex angle.

6. The packaging structure according to any one of claims 1, 2, 3, 4 or 5, characterized in that, There exists at least one side that gradually narrows towards the opposite side; The packaging structure has an angled opening and / or an angled fluid channel, i.e., an opening structure for opening is provided on the convex corner, or an opening is provided by at least the corner sealing area fold line located at the concave corner, separating the top sealing area to form an angled opening for opening; and / or The packaging structure consists of structural lines forming the supporting ribs of the vertical and bottom surfaces. The remaining areas are divided by decorative lines, which include imaginary lines and / or crease lines. Imaginary lines are the bending axes that cause the flat packaging blank to bend into a curved surface, while crease lines are the ribs that cause the flat packaging blank to bend into multiple intersections. That is, by reducing some or all of the crease lines, at least two surfaces or areas are merged into a continuous surface, and the surface is bent into a curved surface by imaginary lines or by adding additional crease lines, the curved surface is divided into at least two surfaces, or a plane is divided, to meet the needs of appearance and design.

7. The package structure of claim 1, wherein The packaging blank is folded from a single packaging blank, which is the smallest blank unit constituting the packaging structure. It can be an independent sheet blank or a repeating unit in a continuous roll. The transverse sealing area on the bottom surface points to two sides with different structures. The sealing surface of the packaging structure is the top structure or the bottom surface. The sealing surface and / or the structures on both sides are triangular structures, with the end having flaps and narrowing towards the other end to one end of the transverse sealing area. The structures on both sides are side structures and functional area structures. The vertical surface is the side structure, and the opposite side of the vertical surface is the functional area structure. That is, the vertical surface is not restricted to its verticality but is used to name and distinguish the two sides. The functional area is used to facilitate the addition of new functions at this location. The packaging structure has corners formed by curling or folding, which can be concave corners formed by inward folding or convex corners formed by outward folding; the corners are further divided into flat corners and non-flat corners based on their spatial shape. Conical corners are non-flat corners, and flat double-layer structures are flat corners. Flat corners are also known as wing structures; the side with the three vertices is one side of the packaging structure. The shape of this structure projected onto the reference plane determined by the three vertices is a triangle, that is, this structure is a triangular structure; the packaging structure has at least one triangular structure and one quadrilateral face. Wings are located at the intersection of the two sides for connection and transition. The two sides are attached to each other with the vertices as the axis, and the other side of the quadrilateral face also has a wing.

8. The packaging structure of claim 7, wherein The packaging structure is a sealed structure, with the bottom and side structures being quadrilateral surfaces. In the top structure, the end with the wing connected to the side structure forms the base of a triangular structure. The base of the triangular structure tapers towards the vertex P at the other end, and the lateral sealing area extends vertically from the vertex P of the triangular structure to the base. The front and back sides connecting the different side structures are curved surfaces or composed of at least two planes. It also includes any one of the following sets of technical features: First set of technical features: The packaging structure has three flaps, and at least one flap has a different area than the others; the functional area structure has non-flat angles, meaning that the flat angles either fold outwards from vertex P and continue to convex outwards, or fold inwards from vertex P to point Q; the base of the non-flat angle is either collinear or non-collinear with the bottom edge of the packaging structure on the same side: when collinear, the side view of the packaging structure is triangular; when non-collinear, the base of the non-flat angle and the bottom edge of the packaging structure on the same side form a quadrilateral, meaning the side view of the packaging structure is pentagonal; the imaginary surface formed by the three vertices of the top structure is parallel to the bottom surface, or inclined about the edge of the flap as an axis; Second set of technical features: The packaging structure has three flaps, and at least one flap has a different area than the others. The functional area structure has a longitudinally arranged, integrally folded two-layer structure, folded inward or outward with vertex P as the reference. The projection of the functional area structure onto the imaginary surface of the side structure forms a triangle. The imaginary surface formed by the three vertices of the top structure is parallel to the bottom surface or inclined about the edge of the flap. Third group of technical features: The packaging structure has three flaps, and at least one flap has a different area than the other flaps. In the top structure, the imaginary plane formed by the three vertices, that is, the imaginary plane formed by the bottom edge and vertex P, is parallel to the bottom surface. The length of the perpendicular line from vertex P to the bottom edge is greater than the width of the bottom surface in the same direction. That is, the functional area structure is inclined and convex outward from the side structure towards the packaging. Fourth group of technical features: The packaging structure has three identical winglets. In the top structure, the imaginary plane formed by the three vertices, i.e., the imaginary plane formed by the bottom edge and vertex P, is not parallel to the bottom surface. The length of the perpendicular line from vertex P to the bottom edge is greater than the width of the bottom surface in the same direction. In other words, the functional area structure is obliquely convex outward from the side structure towards the packaging, and the top surface is obliquely sloping. That is, the imaginary surface formed by the three vertices of the top structure is inclined about the edge of the winglet as the axis. Fifth group of technical features: The top structure and functional area structure are illusory lines or indentation lines, that is, rounded cones or cones with four faces. The cones with four faces include the triangular faces of the top structure and the triangular faces of the functional area structure. The corners can be used to set the opening structure.

9. The packaging structure of claim 7, wherein, The sealing surface is triangular, and the side structure is quadrilateral, serving as the bottom surface for transportation and use. The packaging structure has two flaps. In the top structure, the end with the flap connected to the side structure forms the base of the triangular structure, which tapers towards the apex, meaning the lateral sealing area extends vertically from the apex to the base of the triangular structure. The lateral sealing area also includes: The packaging structure is a sealed structure, and the shape of the functional area structure projected onto the imaginary surface where the side structure is located is a line, that is, the packaging structure is a triangular prism; or The packaging structure is a sealed structure; the functional area structure has a longitudinally arranged, integrally folded, double-layered structure that extends outward beyond the apex, folding to form a double layer. This double-layered structure can be used as a handle, or the interlayer can be used for sealing accessories. The packaging structure is a triangular prism; the functional area structure has a longitudinally arranged integral structure that extends outward beyond the apex to form the opening and handle. The packaging structure is a non-sealed structure, resembling a package bag with an opening; the sealing surface is perpendicular or not perpendicular to the side structure.

10. The packaging structure according to claim 7, characterized in that, The packaging structure is a sealed structure, and the side structure and functional area structure have non-flat angles; the bottom surface is a quadrilateral surface, which gradually tapers upward to the horizontal sealing area of ​​the top structure in a linear shape, with two vertices at both ends; in the side structure, the vertex located on one side of the side structure has a non-flat angle that folds inward from this vertex into the packaging. In the functional area structure opposite the side structure, the non-flat angle convexes outward from the packaging and extends to the vertex located on one side of the functional area structure, based on the surface perpendicular to the bottom edge. Furthermore, the base of the non-flat angle is either collinear or non-collinear with the bottom edge of the packaging structure located on the same side; when collinear, the side view of the packaging structure is triangular; when non-collinear, the base of the non-flat angle and the bottom edge of the packaging structure located on the same side form a quadrilateral surface, that is, the side view of the packaging structure is pentagonal. Furthermore, the angles that fold inwards towards the packaging structure may or may not fold outwards towards the packaging structure; that is, when they fold inwards, the bottom edge of the non-flat angle is collinear with the bottom edge of the packaging structure on one side, but not on the other side, or not on both sides, and the distances between the bottom edges of the non-flat angles on both sides and the bottom edge of the packaging structure on the same side are not the same, thus forming different quadrilateral surfaces; or when they fold inwards, the bottom edge of the non-flat angle is collinear with the bottom edge of the packaging structure on both sides, or the distances on both sides are the same, thus forming the same quadrilateral surface. Furthermore, the concave and convex angles are complementary in shape and fit together; the convex angle can be accommodated by the concave angle, that is, the concave angle can be embedded in the convex angle. Furthermore, through the setting of imaginary lines or fold lines, concave or convex angles with curved surfaces or multiple planes are formed by bending or folding; the convex and concave angles are curved surfaces formed by rolling up the packaging material, and the curvature of the two should be the same or complementary. The curved surfaces are interlocking shapes so that one can fit onto the other; or convex and concave angles formed by multiple planes divided by crease lines, the angles and directions of the fold lines used to form each surface are consistent to ensure that the concave and convex parts match when they are joined; mapped to the bottom surface, the length of the convex angle protruding outside the packaging is less than or equal to the length of the concave angle recessed into the packaging, and the width of the convex angle is greater than or equal to the concave angle to ensure that there is no excessive or insufficient space when the two are spliced; the sharp angles of the concave and convex angles should be parallel; the concave and convex angles are designed as smooth curved surfaces or with minimal fold lines, and the radii of curvature are matched to achieve an aesthetic appearance and interlocking function.

11. A packaging structure according to claim 1, characterised in that It is an integral structure, with structural lines dividing the vertical and bottom surfaces and forming its supporting ribs. The remaining areas are divided by decorative lines, which include imaginary lines and embossing lines. The imaginary lines are the bending axes that make the flat packaging blank bend into a curved surface, and the embossing lines are the ribs that make the flat packaging blank bend into multiple intersecting surfaces.

12. A packaging sheet for use according to claim 11, characterised in that The smallest blank unit constituting the packaging structure can be an independent sheet blank or a repeating unit in a continuous roll; It includes at least two areas, one for forming the side structure and the other for forming the functional area structure, and the two areas have different shapes, folding directions, or indentations; At least one edge of the smallest blank unit is centrally symmetrical, so that two identical units can be precisely joined head-to-head through these edges to form a continuous, integral structure.

13. A packaging sheet for use according to any one of claims 11 or 12, characterized in that... At least one edge is centrally symmetrical and not a straight edge; or It has at least one angular region for bending into a non-flat angle, or at least one triangular apex region; or The angular region includes at least the lower base of the triangle and the apex region which is distributed on both sides of the triangle and connected to it, or the side edges of the angular region are curves that convex outward from the angular region.

14. A package group consisting of the packaging structure according to claim 1, characterized in that A packaging structure with a concave non-flat angle can be embedded by a convex non-flat angle of another packaging structure, or a packaging structure with a convex non-flat angle can be covered or connected by a concave non-flat angle of another packaging structure. This allows two or more packages to be neatly arranged or connected, and two or more packaging structures with convex angles to fit together.

15. A kit for use according to claim 14, characterised in that A pot-shaped packaging structure with outward-protruding corners that can be used as the pouring spout for the pot-shaped packaging; it also has inward-concave corners, allowing two identical packages to be combined and sold like building blocks. The outward-protruding corners do not hinder transportation. The two packages can be interlocked to effectively protect the packaging structure and the pre-set opening structure on the packaging structure. The packaging can even be opened while disassembling and assembling. It is simple to operate, convenient to use, and easy to transport. Multiple packages can be produced and filled together, making production simple and efficient.

16. A kit for use according to claim 15, characterised in that It has any of the following sets of technical features: First set of technical features: The packaging structure used to form the packaging assembly has inward concave angles and outward convex angles with the same or different base heights. When they are different, the base of the non-flat angle is collinear with one side of the bottom edge of the packaging structure on the same side, but not collinear with the opposite side; or both sides are not collinear, and the distances between the base of the non-flat angle on both sides and the bottom edge of the packaging structure on the same side are different, resulting in different quadrilateral surfaces. When maintaining consistency, the base of a non-flat angle is collinear with both sides of the bottom edge of the packaging structure on the same side, or the distance between them is the same, and the resulting quadrilateral surfaces are also identical; Second set of technical features: Multiple packaging structures are interconnected through a concave-convex interlocking method, wherein the convex non-flat corners are covered or connected by the concave non-flat corners of another packaging structure; Two packaging structures containing the same angular property but folding in opposite directions can be connected to each other through a concave-convex interlocking method; Multiple identical packages are inserted into the concave corners of adjacent packages through the convex corner of one package, thus connecting the multiple packaging structures laterally and forming a unified arrangement, optimizing space utilization and enhancing the stability of the overall structure; Third set of technical features: The same packaging blank can be used to form two opposite packaging structures. That is, the first package and the second package can have the same unfolded shape, but the non-flat angle folding directions of the first package and the second package are opposite. Then the two can be continuously spliced ​​into a roll of packaging material to achieve continuous filling and folding. The first package and the second package can be a group, and the first package, the second package, the first package, the second package can be arranged in an alternating interval. That is, the first package and the second package can be filled and arranged alternately to allow multiple packages to be arranged and stored compactly, saving space and facilitating transportation.

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