CN115320996B - Kraft paper bag with tearing resistance - Google Patents
Kraft paper bag with tearing resistance Download PDFInfo
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- CN115320996B CN115320996B CN202210282330.9A CN202210282330A CN115320996B CN 115320996 B CN115320996 B CN 115320996B CN 202210282330 A CN202210282330 A CN 202210282330A CN 115320996 B CN115320996 B CN 115320996B
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- bag
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- paper
- kraft paper
- reinforcing ring
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
- B65D31/04—Bags or like containers made of paper and having structural provision for thickness of contents with multiple walls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D29/00—Sacks or like containers made of fabrics; Flexible containers of open-work, e.g. net-like construction
- B65D29/02—Sacks with laminated or multiple walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/001—Blocks, stacks or like assemblies of bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/02—Local reinforcements or stiffening inserts, e.g. wires, strings, strips or frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/06—Handles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
- B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
- B65D33/28—Strings or strip-like closures, i.e. draw closures
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
Abstract
The invention discloses a kraft paper bag with tearing resistance, and relates to the technical field of kraft paper bags; in order to solve the problem that the reinforcing effect is poor at the opening part of the kraft paper bag, the opening part of the kraft paper bag is affected by taking and placing articles, and when people use the kraft paper bag, the sealing part is often torn, so that the service life of the kraft paper bag is affected; the bag comprises a bag body and a bag bottom which are connected with each other, wherein a bag mouth reinforcing ring for preventing the bag mouth from tearing is arranged at the top of the bag body, and hand straps are arranged on two sides of the bag body. The reinforcing ring, the left sealing strip and the right sealing strip with the reinforcing structures are arranged in the bag, the bag opening is protected, the tearing resistance effect of the bag opening is effectively enhanced, the sealing effect of the bag opening is improved, the grid layer and the middle buffer layer are arranged in the bag body, the supporting net plate and the bottom buffer layer are arranged in the middle of the bottom of the bag, the periphery and the bottom of the kraft paper bag are effectively enhanced, and the tearing resistance effect of the kraft paper bag is improved.
Description
Technical Field
The invention relates to the technical field of kraft paper bags, in particular to a kraft paper bag with tearing resistance.
Background
With the enhancement of environmental awareness, the natural color pulp product is taken as environmental protection paper, the consumption is in an increasing trend year by year, kraft paper is taken as tough and waterproof packaging paper, the use prospect is wide, the kraft paper bag is an environmental protection packaging bag, the variety is various, the kraft paper bag is nontoxic, tasteless and pollution-free, the national environmental protection standard is met, the kraft paper has high strength and high environmental protection, and the kraft paper is one of the most popular environmental protection packaging materials internationally. Kraft paper bags are widely used in supermarkets, markets, shoe stores, clothing stores and other places for shopping, and are commonly supplied, so that customers can conveniently carry purchased articles.
The kraft paper bag takes full wood pulp paper as a base material, the color of the kraft paper is divided into white kraft paper and yellow kraft paper, a layer of film can be sprayed on the paper by adopting PP materials, the kraft paper bag has a waterproof effect, the strength of the kraft paper bag can be manufactured into one to six layers according to the requirements of customers, and the kraft paper bag is printed and manufactured into a bag. The opening and the back cover mode divide into the heat-seal, and paper seals and paste the end, along with the increasingly high of environmental protection demand, the kraft paper bag is used also more extensively, and current kraft paper bag only relies on the increase layer number to increase intensity, and reinforcing effect is poor at its opening part, and the opening part of kraft paper bag receives the article to get the influence of putting, and people often cause to seal the department tearing when using, influence the life of kraft paper bag.
In view of the above, the present invention provides a kraft paper bag with tear resistance, which solves the technical problems in the prior art.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a kraft paper bag with tearing resistance.
The invention provides a kraft paper bag with tearing resistance, which comprises a bag body and a bag bottom which are connected with each other, wherein a bag opening reinforcing ring for preventing a bag opening from tearing is arranged at the top of the bag body, and hand straps are arranged at two sides of the bag body.
In the invention, preferably, the bag body is provided with a three-layer structure, the three-layer structure is respectively an outer paper layer, a grid layer and an inner paper layer, and the grid layer is formed by weaving silk yarns distributed in warp and weft.
In the invention, preferably, the bag bottom is provided with a three-layer structure, the three-layer structure is respectively a bottom paperboard, a supporting screen plate and a lining paper layer, and the periphery of the supporting screen plate is connected with the warp bottom ends of the grid layer.
In the invention, preferably, the bag mouth reinforcing ring comprises an annular paper ring connected with the top of the outer paper layer and the top of the inner paper layer, and the inside of the annular paper ring is provided with the reinforcing ring, and the bottom of the reinforcing ring is connected with the top ends of the warp threads of the grid layer.
In the invention, preferably, the bag mouth reinforcing ring further comprises binding openings arranged at two sides of the annular paper ring and a cavity arranged in the middle of the reinforcing ring, wherein binding ropes penetrate through the cavity, and two ends of each binding rope are respectively arranged at the outer sides of the binding openings.
In the invention, preferably, the bag body is provided with a three-layer structure, the three-layer structure is respectively an outer protective paper layer, a middle buffer layer and an inner protective paper layer, the middle buffer layer is composed of a PE film, and buffer air bags which are uniformly distributed are arranged in the middle of the middle buffer layer.
In the invention, preferably, the bag bottom is provided with a three-layer structure, the three-layer structure is respectively a lower cushion layer, a bottom buffer layer and an upper cushion layer, the periphery of the bottom buffer layer is connected with the bottom edge of the middle buffer layer, and the middle of the bottom buffer layer is provided with a plurality of bag cavities.
In the present invention, preferably, a filler made of a water absorbing material is disposed in the capsule cavity of the bottom buffer layer, a densely distributed concave-convex portion is disposed at the top of the upper pad layer, and a penetration hole communicating with the capsule cavity is disposed at the peak bottom of the concave-convex portion.
In the invention, preferably, the bag mouth reinforcing ring comprises a ring sleeve connected between the tops of the outer protective paper layer and the inner protective paper layer, a left sealing strip and a right sealing strip which are symmetrically distributed are arranged in the ring sleeve, the left sealing strip and the right sealing strip are formed by soft magnets, and the magnetic attraction surfaces of the left sealing strip and the right sealing strip are provided with sealing convex strips which are meshed with each other.
In the invention, preferably, the portable strap comprises a strap paper strip and a fixing buckle, the strap paper strip is composed of a paper sleeve and a lifting rope, the paper sleeve is coated on the outer side of the lifting rope, the fixing buckle comprises an outer buckle and an inner buckle, and a connecting bolt is arranged between the outer buckle and the inner buckle.
Compared with the prior art, the invention provides the kraft paper bag with tearing resistance, which has the following beneficial effects:
according to the invention, the bag opening part of the kraft paper bag is provided with the reinforcing ring, the left sealing strip and the right sealing strip with the reinforcing structure, so that the tearing resistance effect of the bag opening is effectively enhanced, the sealing effect of the bag opening is improved, the grid layer and the middle buffer layer are arranged in the bag body, the supporting net plate and the bottom buffer layer are arranged in the middle of the bottom of the bag, the periphery and the bottom of the kraft paper bag are effectively enhanced, the tearing resistance effect of the kraft paper bag is improved, the puncture resistance effect of the kraft paper bag is improved, and the functionality and the service life of the kraft paper bag are prolonged.
Drawings
FIG. 1 is a schematic cross-sectional view of a kraft paper bag with tear resistance according to example 1 of the invention;
FIG. 2 is a schematic view of a carrying strap with a kraft liner bag having tear resistance according to the present invention;
FIG. 3 is a schematic view showing an enlarged partial structure of a kraft paper bag having tear resistance according to example 1 of the invention;
FIG. 4 is a schematic view of an annular paper ring with tear-resistant kraft paper bag according to example 1 of the invention;
FIG. 5 is a schematic view of a kraft paper bag with tear resistance according to the invention;
fig. 6 is a schematic diagram of a kraft paper bag with tear resistance according to embodiment 2 of the invention;
FIG. 7 is a schematic view showing the structure of a kraft paper bag bottom with tear resistance according to embodiment 2 of the invention;
fig. 8 is a schematic view of an annular paper ring with tear-resistant kraft paper bag according to embodiment 2 of the invention.
In the figure: 1 bag body, 1011 outer paper layer, 1012 inner paper layer, 1013 grid layer, 1021 outer protective paper layer, 1022 inner protective paper layer, 1023 middle buffer layer, 2 bag bottom, 2011 bottom cardboard, 2012 inner liner paper layer, 2013 supporting net plate, 2021 lower cushion plate layer, 2022 filler, 2023 bottom buffer layer, 2024 upper cushion plate layer, 2025 concave-convex part, 2026 penetrating hole, 3 bag mouth reinforcing ring, 3011 annular paper ring, 3012 reinforcing ring, 3013 tying opening, 3014 tying rope, 3021 annular sleeve, 3022 left sealing strip, 3023 right sealing strip, 3024 sealing convex strip, 4 hand strap, 401 paper sleeve, 402 inner buckle, 403 outer buckle and 404 lifting rope.
Detailed Description
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
Example 1:
referring to fig. 1 to 5, a kraft paper bag with tearing resistance comprises a bag body 1 and a bag bottom 2 which are connected with each other, wherein a bag mouth reinforcing ring 3 for preventing the tearing of a bag mouth is arranged at the top of the bag body 1, and both sides of the bag body 1 are provided with hand straps 4.
As a still further scheme in the invention, the bag body 1 is provided with a three-layer structure, the three-layer structure is respectively an outer paper layer 1011, a grid layer 1013 and an inner paper layer 1012, the grid layer 1013 is formed by weaving silk threads distributed in warp and weft, the grid layer 1013 distributed in warp and weft is arranged in the middle of the paper bag 1, and the strength of the bag body 1 is enhanced by using the silk threads of the warp and weft in the grid layer 1013, so that the tear resistance and the puncture resistance of the bag body 1 are effectively improved.
As a still further scheme in the invention, the bag bottom 2 is provided with a three-layer structure, and the three-layer structure is respectively a bottom paperboard 2011, a supporting screen 2013 and a lining paper layer 2012, the periphery of the supporting screen 2013 is mutually connected with the warp bottom end of the grid layer 1013, and the supporting screen 2013 connected with the grid layer 1013 is utilized to support the bottom of the kraft paper bag, so that the loading effect of the kraft paper bag is effectively enhanced, and secondly, the supporting screen 2013 at the bottom is arranged, so that the bottom of the kraft paper bag is effectively shaped, the stability of placement and use is improved, the puncture resistance effect of the bottom of the kraft paper bag is effectively enhanced, and the strength of the kraft paper bag is enhanced.
As a still further scheme in the invention, the bag mouth reinforcing ring 3 comprises an annular paper ring 3011 connected with the top of the outer paper layer 1011 and the top of the inner paper layer 1012, the inside of the annular paper ring 3011 is provided with a reinforcing ring 3012, the bottom of the reinforcing ring 3012 is mutually connected with the top ends of the warp threads of the grid layer 1013, the arrangement of the reinforcing ring 3012 enhances the tearing resistance effect of the bag mouth of the kraft paper bag, and meanwhile, when in application, the bag mouth is shaped and expanded by the reinforcing ring 3012, so that articles in the bag can be taken and placed in the use process conveniently, and the use convenience of the kraft paper bag is improved.
As a still further scheme in the invention, the bag mouth reinforcing ring 3 also comprises binding openings 3013 arranged at two sides of the annular paper ring 3011 and a cavity arranged in the middle of the reinforcing ring 3012, binding ropes 3014 penetrate through the cavity, two ends of the binding ropes 3014 are respectively arranged at the outer sides of the binding openings 3013, when the kraft paper bag is applied, the reinforcing ring 3012 can be contracted by pulling the binding ropes 3014 at the two ends, so that the bag mouth of the kraft paper bag is rapidly closed, the sealing performance of the kraft paper bag is enhanced, and the kraft paper bag is more convenient to use.
As a still further scheme in the invention, the portable belt 4 comprises a portable belt paper strip and a fixing buckle, the portable belt paper strip consists of a paper sleeve 401 and a portable rope 404, the paper sleeve 401 is coated on the outer side of the portable rope 404, the fixing buckle comprises an outer buckle 403 and an inner buckle 402, a connecting bolt is arranged between the outer buckle 403 and the inner buckle 402, the root of the portable belt 4 of the kraft paper bag is fixed through the outer buckle 403, the connecting bolt and the inner buckle 402, the connecting bolt is embedded into the grid layer 1013, two sides of the bag body 1 are firmly fixed, the kraft paper bag is effectively prevented from tearing from the root of the portable belt, and the lifting strength of the portable belt 4 of the kraft paper bag is enhanced.
Example 2:
referring to fig. 2 and 5 to 8, a kraft paper bag with tearing resistance comprises a bag body 1 and a bag bottom 2 which are connected with each other, wherein a bag mouth reinforcing ring 3 for preventing the tearing of a bag mouth is arranged at the top of the bag body 1, and both sides of the bag body 1 are provided with hand straps 4.
As a still further scheme in the invention, the bag body 1 is provided with a three-layer structure, the three-layer structure is respectively an outer protective paper layer 1021, a middle buffer layer 1023 and an inner protective paper layer 1022, the middle buffer layer 1023 is composed of PE films, and buffer air bags which are uniformly distributed are arranged in the middle of the middle buffer layer 1023, in the embodiment, the middle buffer layer 1023 formed by combining the air bags is arranged in the middle of the bag body 1, when articles are contained, the buffer protection effect of the articles in the bag body is effectively improved, the anti-tearing and anti-vibration effects around the bag body 1 are enhanced by the middle buffer layer 1023, the heat preservation effect of the bag body 1 is effectively enhanced by the densely distributed air bags, and the bag body has good heat preservation effect on food products.
As a still further scheme in the present invention, the bag bottom 2 is provided with a three-layer structure, and the three-layer structure is respectively a lower pad layer 2021, a bottom buffer layer 2023 and an upper pad layer 2024, the periphery of the bottom buffer layer 2023 is connected with the bottom edge of the middle buffer layer 1023, the middle part of the bottom buffer layer 2023 is provided with a plurality of bag cavities, the bottom buffer layer 2023 provided with the bag cavities is arranged, effective buffer protection is provided for the bag during the process of placing and moving the articles, and secondly, the heat preservation effect in the bag is enhanced.
As a still further scheme in the invention, the inside of the capsule cavity of the bottom buffer layer 2023 is provided with a filling material 2022 formed by a water absorbing material, the top of the upper cushion layer 2024 is provided with densely-distributed concave-convex parts 2025, the peak bottom of the concave-convex parts 2025 is provided with permeation holes 2026 communicated with the capsule cavity, the arrangement of the concave-convex parts 2025 is used for supporting objects by peak-valley parts, so that the objects are prevented from being rubbed with the bottom of the kraft paper bag, and the inside of the capsule cavity is provided with the filling material 2022, so that exuded oil stains, soup and the like are absorbed by the filling material 2022 through the permeation holes 2026 when foods are contained, the phenomenon of crushing the bottom of the kraft paper bag caused by the infiltration of juice is avoided, and the service life of the kraft paper bag is prolonged.
As still further scheme in the invention, the bag mouth reinforcing ring 3 comprises a ring sleeve 3021 connected between the tops of the outer protective paper layer 1021 and the inner protective paper layer 1022, a left sealing strip 3022 and a right sealing strip 3023 which are symmetrically distributed are arranged in the ring sleeve 3021, the left sealing strip 3022 and the right sealing strip 3023 are formed by soft magnets, the magnetic attraction surfaces of the left sealing strip 3022 and the right sealing strip 3023 are provided with sealing raised strips 3024 which are meshed with each other, the opening part of the kraft paper bag is respectively provided with the left sealing strip 3022 and the right sealing strip 3023 which are provided with elasticity, the tensile effect of the bag mouth is enhanced, meanwhile, after articles are placed, a user presses the left sealing strip 3022 and the right sealing strip 3023 on two sides to enable the sealing raised strips 3024 in the bag mouth to be meshed with each other in an extruding mode, the bag mouth is effectively sealed by means of magnetic attraction, the sealing and heat insulation effects in the kraft paper bag are enhanced, and the bag mouth sealing operation is more convenient.
As a still further scheme in the invention, the portable belt 4 comprises a portable belt paper strip and a fixing buckle, the portable belt paper strip consists of a paper sleeve 401 and a portable rope 404, the paper sleeve 401 is coated on the outer side of the portable rope 404, the fixing buckle comprises an outer buckle 403 and an inner buckle 402, a connecting bolt is arranged between the outer buckle 403 and the inner buckle 402, the root of the portable belt 4 of the kraft paper bag is fixed through the outer buckle 403, the connecting bolt and the inner buckle 402, the connecting bolt is embedded into the grid layer 1013 or the middle buffer layer 1023, the two sides of the bag body 1 are firmly fixed, the kraft paper bag is effectively prevented from tearing from the root of the portable belt, and the lifting strength of the portable belt 4 of the kraft paper bag is enhanced.
At the sack portion position of kraft paper bag, be provided with reinforced structure's reinforcing ring 3012, left sealing strip 3022 and right sealing strip 3023, protect sack portion position, effectively strengthen the tearing resistance effect of sack, secondly, improve the sealed effect of sack, and set up net layer 1013, middle part buffer layer 1023 in the inside of bag body 1, and set up support otter board 2013, bottom buffer layer 2023 at 2 middle parts of the bag bottom, effectively strengthen around and the bottom of kraft paper bag, improve the tearing resistance effect of kraft paper bag.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. The kraft paper bag with the tearing resistance comprises a bag body (1) and a bag bottom (2) which are connected with each other, and is characterized in that a bag mouth reinforcing ring (3) for preventing the tearing of a bag mouth is arranged at the top of the bag body (1), and hand straps (4) are arranged at two sides of the bag body (1);
the bag body (1) is provided with a three-layer structure, the three-layer structure is respectively an outer paper layer (1011), a grid layer (1013) and an inner paper layer (1012), and the grid layer (1013) is formed by weaving silk yarns distributed in warp and weft;
the bag bottom (2) is provided with a three-layer structure, the three-layer structure is respectively a bottom paperboard (2011), a supporting screen plate (2013) and an inner lining paper layer (2012), and the periphery of the supporting screen plate (2013) is connected with the warp bottom ends of the grid layers (1013);
the bag mouth reinforcing ring (3) comprises an annular paper ring (3011) connected with the tops of the outer paper layer (1011) and the inner paper layer (1012), a reinforcing ring (3012) is arranged in the annular paper ring (3011), and the bottom of the reinforcing ring (3012) is connected with the top ends of warps of the grid layer (1013);
the bag mouth reinforcing ring (3) further comprises binding openings (3013) arranged on two sides of the annular paper ring (3011) and a cavity arranged in the middle of the reinforcing ring (3012), binding ropes (3014) penetrate through the cavity, and two ends of each binding rope (3014) are respectively arranged on the outer sides of the corresponding binding openings (3013).
2. The kraft paper bag with tearing resistance according to claim 1, wherein the bag body (1) is provided with a three-layer structure, and the three-layer structure is an outer protective paper layer (1021), a middle buffer layer (1023) and an inner protective paper layer (1022), respectively, the middle buffer layer (1023) is composed of a PE film, and buffer air bags uniformly distributed are arranged in the middle of the middle buffer layer (1023).
3. A kraft paper bag with tear resistance according to claim 2, characterized in that the bag bottom (2) is provided with a three-layer structure, and the three-layer structure is respectively a lower pad layer (2021), a bottom buffer layer (2023) and an upper pad layer (2024), the periphery of the bottom buffer layer (2023) is interconnected with the bottom edge of the middle buffer layer (1023), and the middle part of the bottom buffer layer (2023) is provided with a plurality of pockets.
4. A kraft paper bag with tear resistance according to claim 3, characterized in that the inside of the pocket of the bottom buffer layer (2023) is provided with a filler (2022) made of a water absorbing material, and the top of the upper pad layer (2024) is provided with densely distributed concave-convex parts (2025), and the peak bottom of the concave-convex parts (2025) is provided with penetration holes (2026) communicating with the pocket.
5. The kraft paper bag with tearing resistance according to claim 4, wherein the bag mouth reinforcing ring (3) comprises a ring sleeve (3021) connected between the tops of the outer protective paper layer (1021) and the inner protective paper layer (1022), a left sealing strip (3022) and a right sealing strip (3023) which are symmetrically distributed are arranged in the ring sleeve (3021), the left sealing strip (3022) and the right sealing strip (3023) are formed by soft magnets, and the magnetic attraction surfaces of the left sealing strip (3022) and the right sealing strip (3023) are provided with sealing raised strips (3024) which are meshed with each other.
6. The kraft paper bag with tearing resistance according to any one of claims 1 to 5, wherein the carrying strap (4) comprises a carrying strap strip and a fixing buckle, the carrying strap strip is composed of a paper sleeve (401) and a carrying rope (404), the paper sleeve (401) is wrapped on the outer side of the carrying rope (404), the fixing buckle comprises an outer buckle (403) and an inner buckle (402), and a connecting bolt is arranged between the outer buckle (403) and the inner buckle (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210282330.9A CN115320996B (en) | 2022-03-22 | 2022-03-22 | Kraft paper bag with tearing resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210282330.9A CN115320996B (en) | 2022-03-22 | 2022-03-22 | Kraft paper bag with tearing resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115320996A CN115320996A (en) | 2022-11-11 |
| CN115320996B true CN115320996B (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210282330.9A Active CN115320996B (en) | 2022-03-22 | 2022-03-22 | Kraft paper bag with tearing resistance |
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| CN (1) | CN115320996B (en) |
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