Embossing integrated lining paper with microcavity structure
By designing a microcavity structure and connecting grooves in the inner lining paper, the problems of insufficient heat insulation, cushioning and air permeability of the inner lining paper are solved, achieving higher functionality and protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-08
- Publication Date
- 2026-03-27
AI Technical Summary
Existing lining papers have limitations in terms of heat insulation, cushioning, and breathability, making it difficult to meet higher functional requirements.
Design an embossed integrated inner liner paper with a microcavity structure. The microcavity cross-section is a trapezoid with a wider outer section and a narrower inner section. It forms a channel by connecting grooves between the first and second paper base layers to enhance the cushioning performance. Furthermore, it enhances the protective performance by forming an antibacterial layer and a fluorocarbon coating through nano-silver particles.
It improves the cushioning, heat insulation and breathability of the inner lining paper, enhances the protection of fragile and easily deformed items, extends the shelf life of fruits and vegetables, and improves abrasion resistance and stain resistance.
Smart Images
Figure CN224047810U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of inner liner paper, and particularly relates to a pressure marking integrated inner liner paper with microcavity structure. BACKGROUND
[0002] Inner liner paper is widely used in the packaging field and is commonly used for the packaging of food, medicine and tobacco products to protect the products, prevent moisture and oxidation and the like.
[0003] In the prior art, the existing inner liner paper has certain limitations in function, and its heat insulation, buffering and air permeability need to be improved. UTILITY MODEL CONTENT
[0004] In order to make up for the above shortcomings, the utility model provides a pressure marking integrated inner liner paper with microcavity structure, which aims at solving the problem that the existing inner liner paper has certain limitations in function, and its heat insulation, buffering and air permeability need to be improved.
[0005] The utility model is implemented in the following manner:
[0006] The utility model provides a pressure marking integrated inner liner paper with microcavity structure, which comprises a first paper base layer and a second paper base layer arranged on one side of the first paper base layer, and a plurality of microcavities are formed in one side of the first paper base layer.
[0007] The second paper base layer is arranged on the side wall of the first paper base layer close to the microcavity.
[0008] Preferably, the microcavity is arranged in a manner that the outer width is greater than the inner width, and the cross section of the microcavity is trapezoidal.
[0009] Preferably, the surface of the second paper base layer is provided with a plurality of through holes in one-to-one communication with the microcavities.
[0010] Preferably, a plurality of first communication grooves perpendicular to each other are formed in the outer wall of one side of the first paper base layer close to the microcavity, and a plurality of second communication grooves corresponding to the first communication grooves are formed in the outer wall of one side of the second paper base layer close to the first paper base layer.
[0011] Preferably, the first communication grooves and the second communication grooves are both semicircular notches, and the first communication grooves and the second communication grooves can be combined into a channel with a circular cross section.
[0012] By adopting the technical scheme, the cross section of the microcavity is in the shape of a trapezoid with the outer width being larger than the inner width, the cross section shape changes according to the depth, compared with a traditional equal cross section, the microcavity is more likely to be elastically deformed when being extruded by an external force, can uniformly disperse the pressure, enhances the buffering performance of the whole inner liner paper, meanwhile, the microcavity with the variable cross section increases the internal surface area of the cavity, thereby increasing the contact area with air, which is beneficial to improve the overall heat insulation and air permeation effect, the channel for the microcavities to be interconnected is formed by the combination of the first communication groove and the second communication groove, when the inner liner paper is extruded by an external force, the gas can flow among the microcavities to disperse the local pressure, reduces the impact of the external force on the packaged goods, and improves the protection of fragile and deformable goods.
[0013] Preferably, the first paper base layer is provided with an antibacterial layer on the side wall away from the microcavity, and the second paper base layer is provided with a protective layer on the side away from the first paper base layer.
[0014] By adopting the technical scheme, the first paper base layer surface close to the fruit and vegetable side is coated with nano silver particles to form an antibacterial layer, which can inhibit the growth and reproduction of microorganisms on the surface of fruit and vegetable, avoid the breeding of bacteria and microorganisms on the surface of the inner liner paper, thereby prolonging the preservation period of fruit and vegetable, and the protective layer close to the second paper base layer side is a fluorocarbon coating, which can effectively prevent external stains from polluting the inner liner paper, and improve the overall wear resistance of the inner liner paper to protect the internal structure from being damaged.
[0015] The beneficial effects of the present application are as follows:
[0016] The cross section of the microcavity is in the shape of a trapezoid with the outer width being larger than the inner width, compared with a traditional equal cross section, the microcavity is more likely to be elastically deformed when being extruded by an external force, can uniformly disperse the pressure, enhances the buffering performance of the whole inner liner paper, meanwhile, the microcavity with the variable cross section increases the internal surface area of the cavity, thereby increasing the contact area with air, which is beneficial to improve the overall heat insulation and air permeation effect, the channel for the microcavities to be interconnected is formed by the combination of the first communication groove and the second communication groove, when the inner liner paper is extruded by an external force, the gas can flow among the microcavities to disperse the local pressure, reduces the impact of the external force on the packaged goods, and improves the protection of fragile and deformable goods. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.
[0018] Figure 1It is a structure schematic diagram of the embossed integrated inner liner paper with the micro-cavity structure provided by the embodiment of the utility model.
[0019] Figure 2 It is a half sectional view of the embossed integrated inner liner paper with the micro-cavity structure provided by the embodiment of the utility model.
[0020] Figure 3 It is the embossed integrated inner liner paper with the micro-cavity structure provided by the embodiment of the utility model. Figure 2 The enlarged view of the structure in the A region.
[0021] Figure 4 It is a sectional view of the embossed integrated inner liner paper with the micro-cavity structure provided by the embodiment of the utility model.
[0022] Figure 5 It is the embossed integrated inner liner paper with the micro-cavity structure provided by the embodiment of the utility model. Figure 4 The enlarged view of the structure in the B region.
[0023] In the drawing: 1, first paper base layer; 11, micro-cavity; 12, first communication groove; 2, second paper base layer; 21, through hole; 22, second communication groove; 3, antibacterial layer; 4, protective layer. Specific implementation
[0024] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model more clear, the technical scheme in the embodiment of the utility model will be described clearly and completely in combination with the drawings in the embodiment of the utility model, obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.
[0025] Embodiment, refer to Figures 1-5 An embossed integrated inner liner paper with a micro-cavity structure, comprising a first paper base layer 1 and a second paper base layer 2 arranged on one side of the first paper base layer 1, a plurality of micro-cavities 11 are formed on one side of the first paper base layer 1.
[0026] The second paper base layer 2 is arranged on the side wall of the first paper base layer 1 close to the micro-cavity 11.
[0027] Further, the micro-cavity 11 is arranged with an outer wide and inner narrow structure, the cross section of the micro-cavity 11 is trapezoidal, the surface of the second paper base layer 2 is provided with a plurality of through holes 21 which are in one-to-one correspondence with the micro-cavities 11, the side wall of the first paper base layer 1 close to the micro-cavity 11 is provided with a plurality of first communication grooves 12 which are perpendicular to each other, the side wall of the second paper base layer 2 close to the first paper base layer 1 is provided with a plurality of second communication grooves 22 which are in one-to-one correspondence with the first communication grooves 12, the first communication grooves 12 and the second communication grooves 22 are both semicircular notches, and the first communication grooves 12 and the second communication grooves 22 can be combined into a channel with a circular cross section.
[0028] It should be noted that the plurality of paper base layers are made of polyester PET film, the first paper base layer 1 is embossed by a patterned embossing roller to form micro-cavities 11 which are equidistantly distributed on the surface thereof, then the first communication grooves 12 which interconnect the micro-cavities 11 are formed on the surface thereof, then a plurality of through holes 21 which are in one-to-one correspondence with the openings of the micro-cavities 11 are formed on the surface of the second paper base layer 2, and the second communication grooves 22 which are in one-to-one correspondence with the first communication grooves 12 are formed on one side of the second paper base layer 2, then the first paper base layer 1 and the second paper base layer 2 are combined to combine the first communication grooves 12 and the second communication grooves 22 into channels which interconnect the micro-cavities 11, so as to complete the embossing of the inner liner paper, the cross section of the micro-cavity 11 is trapezoidal with an outer wide and inner narrow structure, and the cross section shape changes according to the depth, so that the micro-cavity 11 is more likely to be elastically deformed when subjected to external force compared with the traditional micro-cavity with a constant cross section, the pressure can be uniformly dispersed, the overall buffering performance of the inner liner paper is enhanced, the micro-cavity 11 with a variable cross section increases the internal surface area of the cavity, so as to increase the contact area with air, which is beneficial to improve the overall heat insulation and air permeability, and the channels which interconnect the micro-cavities 11 formed by the combination of the first communication grooves 12 and the second communication grooves 22 can make the gas flow between the micro-cavities 11 to disperse the local pressure when the inner liner paper is subjected to external force, so as to reduce the impact of external force on the packaged goods and improve the protection of fragile and deformable goods.
[0029] Further, the side wall of the first paper base layer 1 away from the micro-cavity 11 is provided with an antibacterial layer 3, and the side of the second paper base layer 2 away from the first paper base layer 1 is provided with a protective layer 4.
[0030] It should be noted that the surface of the first paper base layer 1 close to the fruits and vegetables is coated with nano silver particles to form an antibacterial layer 3, which can inhibit the growth and reproduction of microorganisms on the surface of the fruits and vegetables, avoid the breeding of bacteria and microorganisms on the surface of the inner liner paper, and prolong the preservation period of the fruits and vegetables, and the protective layer 4 close to the second paper base layer 2 is a fluorocarbon coating, which can effectively prevent external stains from polluting the inner liner paper and improve the overall wear resistance of the inner liner paper to protect the internal structure from being damaged.
[0031] The working principle of the embossed integrated inner liner paper with a micro-cavity structure is as follows:
[0032] The cross section of the micro cavity 11 is trapezoidal shape with outer width and inner narrowness, the cross section shape changes according to the depth, compared with the traditional equal cross section, it is easier to be elastically deformed when being extruded by external force, can uniformly disperse the pressure, enhances the buffering performance of the whole lining paper, meanwhile, the micro cavity 11 with variable cross section improves the internal surface area of the cavity, thereby increasing the contact area with air, which is beneficial to improve the overall heat insulation and air permeability effect, the first communication groove 12 and the second communication groove 22 are combined to form a channel for mutual communication of the micro cavity 11, when the lining paper is extruded by external force, the gas can flow among the micro cavities 11 to disperse the local pressure, reduces the impact of external force on the packaged goods, and improves the protection of fragile and deformable goods.
[0033] The preferred embodiments of the present application have been described above, but the present application is not limited to the above embodiments, and various modifications and changes can be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A embossed integrated liner paper having a microcavity structure, comprising a first paper base layer (1) and a second paper base layer (2) disposed on one side of the first paper base layer (1), characterized in that, The first paper base layer (1) is provided with a plurality of micro-cavities (11) on one side thereof; The second paper base layer (2) is arranged on the side wall of the first paper base layer (1) close to the micro-cavities (11).
2. The embossed integrated liner paper having microcavity structure according to claim 1, wherein, The micro-cavities (11) are arranged in a manner that the outer width is larger than the inner width, and the cross section of the micro-cavities (11) is trapezoidal.
3. The embossed integrated liner paper having microcavity structure according to claim 2, wherein, The surface of the second paper base layer (2) is provided with a plurality of through holes (21) in one-to-one correspondence with the micro-cavities (11).
4. The embossed integrated liner paper having microcavity structure according to claim 3, wherein, The side wall of the first paper base layer (1) close to the micro-cavities (11) is provided with a plurality of first communication grooves (12) perpendicular to each other, and the side wall of the second paper base layer (2) close to the first paper base layer (1) is provided with a plurality of second communication grooves (22) in one-to-one correspondence with the first communication grooves (12).
5. The embossed integrated liner paper having microcavity structure according to claim 4, wherein, The first communication grooves (12) and the second communication grooves (22) are both semicircular notches, and the first communication grooves (12) and the second communication grooves (22) can be combined into a channel with a circular cross section.
6. The embossed integrated liner paper having microcavity structure according to claim 1, wherein, The side wall of the first paper base layer (1) away from the micro-cavities (11) is provided with an antibacterial layer (3), and the side of the second paper base layer (2) away from the first paper base layer (1) is provided with a protective layer (4).