Household paper with clear embossing

Abstract

The utility model discloses an embodiment provides a kind of life paper with clear embossing, including base, at least one surface of the base is equipped with at least one linear embossing, the linear embossing includes and is arranged with several strip marks with interval along its extension direction, the strip mark includes length direction and width direction, the length direction of the strip mark is crossed with the extension direction of linear embossing, the extension length of linear embossing is greater than or equal to 5mm, by above-mentioned mode, it can be by smaller strip mark so that peripheral fiber forms plastic deformation, simultaneously, because the length direction of strip mark is crossed with the extension direction of linear embossing, so that interval is not directly presented on visual effect, to form the long linear embossing of overall visual clear.

Description

Technical Field

[0001] This utility model relates to a type of household paper with clear embossed patterns. Background Technology

[0002] Household paper refers to various types of hygienic wiping paper used for personal care at home and when going out. Household paper can usually be composed of single or multiple layers. Embossing can be applied to the paper surface to increase its bulk and achieve a good appearance.

[0003] Traditional embossing techniques often use adjacent dot-like embossing marks to form patterns, but this method has certain limitations in visual presentation. Especially for longer linear patterns, such as those exceeding 5mm in length, the dot-like embossing often makes the lines appear discontinuous, resulting in a poor visual effect. If long strips of embossing are used to create continuous lines, also exceeding 5mm, the paper's inherent elasticity can cause the embossing to spring back, leading to a blurred pattern. This problem is particularly pronounced in double-sided embossing (dot-to-dot), making it difficult to create clear and durable embossed patterns on both sides of the paper simultaneously. Utility Model Content

[0004] Therefore, this utility model provides a type of household paper to solve the above-mentioned technical problems.

[0005] A type of household paper with clear embossing includes a substrate, at least one surface of which is provided with at least one linear embossing, the linear embossing including a plurality of strip-shaped indentations arranged at intervals along its extension direction, the strip-shaped indentations including a length direction and a width direction, the length direction of the strip-shaped indentations intersecting the extension direction of the linear embossing, and the extension length of the linear embossing being greater than or equal to 5 mm.

[0006] The aspect ratio of the strip-shaped indentation is greater than or equal to 3.

[0007] The spacing between adjacent strip indentations is 0.2-1 mm.

[0008] The linear embossing is straight, and the length direction of the strip-shaped embossing is inclined to the extension direction of the linear embossing.

[0009] The angle between the length direction of the strip-shaped indentation and the extension direction of the linear indentation is 60°-80°.

[0010] The linear embossing includes a first side and a second side along its width direction, and the strip embossing includes a first end and a second end. The first ends of a plurality of strip embossings form the first side, and the second ends of a plurality of strip embossings form the second side.

[0011] The substrate includes a first surface and a second surface. The linear embossing includes a first linear embossing disposed on the first surface and a second linear embossing disposed on the second surface. The first linear embossing includes a plurality of strip-shaped indentations disposed along its extension direction and arranged at intervals. The second linear embossing includes a second beginning end and a second end end, and the second beginning end to the second end end are continuously disposed.

[0012] The strip-shaped indentation includes a first end, a second end, and an intermediate section located between the first end and the second end, wherein the depth of the first end and the second end is greater than the depth of the intermediate section.

[0013] The depth of the first end and the second end is greater than 0.15 mm, and the depth of the middle section is greater than 0.1 mm.

[0014] The substrate includes mutually perpendicular horizontal and vertical edges. The horizontal edges are parallel to the MD or CD direction of the substrate. The extension direction of the first linear embossing is inclined to the horizontal edge, and the angle between the extension direction of the first linear embossing and the horizontal edge is 30°-60°.

[0015] Beneficial effects: This utility model provides a household paper with clear embossing, including a substrate. At least one surface of the substrate is provided with at least one linear embossing. The linear embossing includes a plurality of strip-shaped indentations arranged at intervals along its extension direction. The strip-shaped indentations include a length direction and a width direction. The length direction of the strip-shaped indentations intersects with the extension direction of the linear embossing. The extension length of the linear embossing is greater than or equal to 5 mm. In this way, the surrounding fibers can be plastically deformed by the smaller strip-shaped indentations. At the same time, since the length direction of the strip-shaped indentations intersects with the extension direction of the linear embossing, the intervals are not directly presented in the visual effect, thus forming a long linear embossing with clear overall visual appearance. Attached Figure Description

[0016] Figure 1 A schematic diagram of a household paper product with clear embossing according to an embodiment of this utility model; Figure 2 This is an enlarged schematic diagram of the first surface of the actual household paper sample in area A, as shown in the embodiment. Figure 3 This is an enlarged schematic diagram of the second surface of a physical household paper product in area A, as shown in the embodiment. Figure 4 for Figure 3 Simplified schematic diagram of centerline embossing; Figure 5 for Figure 4 Schematic diagram of the cross section at point BB; Figure 6 for Figure 4Schematic diagram of the cross section at point CC.

[0017] Component descriptions in the diagram: Substrate 10; First surface 101; Second surface 102; Longitudinal edge 103; Transverse edge 104; First linear embossing 11; First beginning end 1101; First end end 1102; Strip embossing 111; First end 1111; Second end 1112; Middle section 1113; Second linear embossing 12; Second beginning end 1101; Second end end 1102. Detailed Implementation

[0018] Please refer to the reference. Figures 1-6 The present application will be further described below with reference to these accompanying drawings.

[0019] This utility model provides an embossed household paper, including a matrix 10. The matrix 10 includes at least one base layer. The base layer can be a cellulose fiber paper made by wet or dry papermaking of various cellulose fibers. The cellulose fibers can be fiber materials such as wood pulp, straw pulp, and sugarcane pulp, or viscose fibers formed by wet spinning after alkalization and other treatments. Other non-natural fibers, such as polyester, nylon, acrylic, chlorofiber, vinylon, spandex, and other synthetic fibers, can also be added to the cellulose fiber paper. The base layer has a basis weight of 10-90 g / m², preferably 12-40 g / m², or more preferably 14-20 g / m².

[0020] In this embodiment, the substrate 10 may include one, two, three or more base layers. In a preferred embodiment, the substrate 10 includes 2-5 base layers. When there are two or more base layers, the base layers are stacked and can be bonded together by embossing or by using adhesives.

[0021] The substrate 10 includes a first surface 101 and a second surface 102 facing away from the first surface 101. At least a first embossing unit is provided on the first surface 101. The embossing unit includes at least one first linear embossing 11. In this embodiment, the first embossing unit includes three parallel first linear embossing 11s. The first linear embossing 11s include a length direction and a width direction, wherein the length direction is the extension direction of the first linear embossing 11s. At the same time, the first linear embossing 11s have a length of at least 5 mm.

[0022] The first linear embossing 11 includes a plurality of strip-shaped embossings 111 arranged at intervals along its extension direction. The strip-shaped embossings 111 include a length direction and a width direction. The length direction of the strip-shaped embossings 111 intersects with the extension direction of the first linear embossing 11.

[0023] Specifically, the aspect ratio of the strip-shaped indentation 111 is greater than or equal to 3, so that the strip-shaped indentation 111 is generally long and thin. Preferably, the aspect ratio of the strip-shaped indentation 111 is 4-10. At the same time, the width of the strip-shaped indentation 111 is less than or equal to 3mm. The strip-shaped indentations 111 are arranged at intervals along the extension direction of the first linear embossing 11 so that the first linear embossing 11 appears as a line in the overall visual appearance.

[0024] Furthermore, the strip-shaped indentations 111 are arranged at equal intervals, and the distance between adjacent strip-shaped indentations 111 is less than 2 mm. This is to ensure that the strip-shaped indentations 111 themselves have a small area to form plastic deformation after being pressed, thereby maintaining the predetermined shape. On the other hand, when the distance between the strip-shaped indentations 111 is less than 2 mm, the first linear indentation 11 can appear as a clear line as a whole, and it is not easy to observe the separation of the strip-shaped indentations. More preferably, the distance between adjacent strip-shaped indentations 111 is 0.2-1 mm.

[0025] Furthermore, the first linear embossing 11 is straight, and the length direction of the strip embossing 111 is inclined to the extension direction of the first linear embossing 11. Preferably, the angle between the length direction of the strip embossing 111 and the extension direction of the first linear embossing 11 is 60°-80°.

[0026] Furthermore, the strip-shaped indentation 111 extends through the width of the first linear indentation 11. The meaning of the strip-shaped indentation 111 extending through the width of the first linear indentation 11 is that the first linear indentation 11 includes a first side and a second side along its width direction, and the strip-shaped indentation 111 includes a first end 1111 and a second end 1112. The first end 1111 of a plurality of strip-shaped indentations 111 forms the first side, and the second end 1112 of a plurality of strip-shaped indentations 111 forms the second side.

[0027] Furthermore, the second surface 102 of the substrate 10 is provided with a second linear embossing 12, which corresponds to the first linear embossing 11. The second linear embossing 12 includes a second beginning 1101 and a second end 1102, and the second beginning 1101 to the second end 1102 are continuously arranged. This continuous arrangement means that the second beginning 1101 to the second end 1102 of the second linear embossing 12 is a continuous groove, not a raised or recessed shape. It can be understood that the first linear embossing 11 includes a first beginning 1101 and a first end 1102. Since the first linear... Embossing 11 consists of several strip-shaped embossing marks 111 arranged at intervals along its extension direction, so that the area between the first beginning 1101 and the first end 1102 presents an undulating shape. When the first linear embossing 11 and the second linear embossing 12 are embossed point-to-point, the interval position of the first linear embossing 11 provides space for fiber compression, thereby allowing the second linear embossing 12 to also maintain its shape. That is, through the above arrangement, the first linear embossing 11 on the first surface 101 and the second linear embossing 12 on the second surface 102 can present a clear shape at the same time, and prevent the second linear embossing 12 from becoming blurred due to the effect of fiber rebound.

[0028] Furthermore, the strip-shaped indentation 111 also includes an intermediate section 1113 located between the first end 1111 and the second end 1112. The depth of the first end 1111 and the second end 1112 is greater than the depth of the intermediate section 1113, thereby further reducing fiber resilience and causing the fibers around the strip-shaped indentation 111 to undergo plastic deformation.

[0029] Furthermore, the depth of the first end 1111 and the second end 1112 is greater than 0.15 mm, and the depth of the middle section 1113 is greater than 0.1 mm.

[0030] Furthermore, the substrate 10 includes mutually perpendicular horizontal edges 104 and vertical edges 103, wherein the horizontal edges 104 are parallel to the MD direction or the CD direction, the MD direction is the machine direction, and the CD direction is the direction perpendicular to the MD direction. The extension direction of the first linear embossing 11 is inclined to the horizontal edges 104. More preferably, the angle between the horizontal edges 104 and the extension direction of the first linear embossing 11 is 30°-60°.

[0031] Furthermore, the first surface 101 is provided with an embossed pattern formed by a plurality of first embossing units. The embossed pattern is provided along the edge of the first surface 101 and surrounds a central area, in which no embossed pattern is provided.

[0032] Understandably, the embossing pattern can be achieved through the embossing process of an embossing system. Typically, an embossing system includes a pair of rollers with parallel axes: an embossing roller and a bottom roller. The embossing roller includes a roller body and embossing protrusions extending radially outward on the roller body. There is a slit between the embossing roller and the bottom roller. The substrate 10 passes through the slit between the two rollers, thereby forming an indentation on the paper surface with the embossing protrusions. Understandably, the shape and size of the embossing protrusions match the indentation. When multiple embossing protrusions are arranged on the surface of the embossing roller in the form corresponding to the first embossing unit, the substrate 10 forms the first embossing unit on the paper surface after passing through the slit between the two rollers. When the substrate 10 has multiple layers, while forming the first embossing unit, the entanglement of fibers and their reduction to plasticity allow the multiple layers of paper to be connected face to face.

[0033] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A type of household paper with clearly embossed patterns, comprising a matrix, characterized in that, At least one surface of the substrate is provided with at least one linear embossing, the linear embossing comprising a plurality of strip-shaped indentations arranged at intervals along its extension direction, the strip-shaped indentations comprising a length direction and a width direction, the length direction of the strip-shaped indentations intersecting the extension direction of the linear embossing, and the extension length of the linear embossing being greater than or equal to 5 mm.

2. The household paper as described in claim 1, characterized in that, The aspect ratio of the strip-shaped indentation is greater than or equal to 3.

3. The household paper as described in claim 2, characterized in that, The spacing between adjacent strip indentations is 0.2-1 mm.

4. The household paper as described in claim 3, characterized in that, The linear embossing is straight, and the length direction of the strip-shaped embossing is inclined to the extension direction of the linear embossing.

5. The household paper as described in claim 4, characterized in that, The angle between the length direction of the strip-shaped indentation and the extension direction of the linear indentation is 60°-80°.

6. The household paper as described in claim 1, characterized in that, The linear embossing includes a first side and a second side along its width direction, and the strip embossing includes a first end and a second end. The first ends of a plurality of strip embossings form the first side, and the second ends of a plurality of strip embossings form the second side.

7. The household paper as described in claim 1, characterized in that, The substrate includes a first surface and a second surface. The linear embossing includes a first linear embossing disposed on the first surface and a second linear embossing disposed on the second surface. The first linear embossing includes a plurality of strip-shaped indentations disposed along its extension direction and arranged at intervals. The second linear embossing includes a second beginning and a second end, and the second beginning and the second end are continuously disposed.

8. The household paper as described in claim 7, characterized in that, The strip-shaped indentation includes a first end, a second end, and an intermediate section located between the first end and the second end, wherein the depth of the first end and the second end is greater than the depth of the intermediate section.

9. The household paper as described in claim 8, characterized in that, The depth of the first end and the second end is greater than 0.15 mm, and the depth of the middle section is greater than 0.1 mm.

10. The household paper as described in claim 9, characterized in that, The substrate includes mutually perpendicular horizontal and vertical edges, wherein the horizontal edges are parallel to the MD or CD direction of the substrate, the extension direction of the first linear embossing is inclined to the horizontal edge, and the angle between the extension direction of the first linear embossing and the horizontal edge is 30°-60°.

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