CN112550944A - Shock-absorbing environment-friendly paper bag with honeycomb paper lining and manufacturing method thereof - Google Patents
Shock-absorbing environment-friendly paper bag with honeycomb paper lining and manufacturing method thereof Download PDFInfo
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- CN112550944A CN112550944A CN202011347187.4A CN202011347187A CN112550944A CN 112550944 A CN112550944 A CN 112550944A CN 202011347187 A CN202011347187 A CN 202011347187A CN 112550944 A CN112550944 A CN 112550944A
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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
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B29/005—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to another layer of paper or cardboard layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
- B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/04—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/08—Interconnection of layers by mechanical means
- B32B7/09—Interconnection of layers by mechanical means by stitching, needling or sewing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B2038/0052—Other operations not otherwise provided for
- B32B2038/008—Sewing, stitching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2439/00—Containers; Receptacles
- B32B2439/02—Open containers
- B32B2439/06—Bags, sacks, sachets
Abstract
The invention discloses a shock-absorbing environment-friendly paper bag with honeycomb paper as a lining and a manufacturing method thereof. The bag disclosed by the invention can prevent raw materials from being wasted in the preparation process, is small in hardness of the prepared bag body, is convenient for containing articles, can well protect the contained articles, and is simple in structure, energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the field of environment-friendly packaging bags, in particular to a shock-absorbing environment-friendly paper bag with honeycomb paper as a lining and a manufacturing method thereof.
Background
Express bags are bags for packaging files, documents, data, goods and the like in the express industry. Also known as express bags, mailing bags, express packing bags. At present, the plastic express bags made of polyethylene materials are used more frequently, and the plastic express bags have the characteristics of low cost, convenience in use and good waterproof performance. Besides the use of customized express bags of various large express companies, the system is also in the online shopping industry, and many merchants also customize express bags with respective characteristics in order to provide good images for customers, improve the images and play a role in publicity. Present express packaging bag is mainly made by adopting plastics materials such as above-mentioned polyethylene, and the feature of environmental protection is poor, also has the paper wrapping bag that the producer produced to use the cardboard as the raw materials at present, and the body paper material of preparing the paper wrapping bag is easy damaged, does not have the shock attenuation effect, causes the waste of raw materials, and its material is comparatively single thin simultaneously, can't play good guard action to holding article.
Disclosure of Invention
The invention aims to provide a damping environment-friendly paper bag lined with honeycomb paper and a manufacturing method thereof, which are used for solving the problems in the prior art.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a shock-absorbing environment-friendly paper bag with a lining of honeycomb paper, which comprises an interlayer honeycomb paper board, wherein an inner core of the interlayer honeycomb paper board is set to be a honeycomb core, a first bending part and a second bending part are arranged on the interlayer honeycomb paper board, and the interlayer honeycomb paper board is folded along the first bending part and the second bending part respectively to form a bag body.
Preferably, the sandwich honeycomb paperboard comprises a first plate body, a second plate body and a third plate body which are connected in sequence, the second plate body is located between the first bending part and the second bending part, the first plate body is located at one end, away from the second plate body, of the first bending part, the third plate body is located at one end, away from the second plate body, of the second bending part, and the third plate body is a seal strip of the bag body.
Preferably, two sides of the inner side surface of the first plate body are fixed with two sides of the inner side surface of the second plate body.
Preferably, the aperture of the honeycomb core is 6 x 6mm-12 x 12mm, and the gram weight of the sandwich honeycomb paperboard is 60-120g/m2。
Preferably, the bag body is coated with outer paper, the outer paper is kraft paper or white paper or yellow paper, and the gram weight of the outer paper is 60-150g/m2。
A manufacturing method of a shock-absorbing environment-friendly paper bag with a honeycomb paper lining comprises the following steps:
the method comprises the following steps: manufacturing the base paper into the honeycomb core by a honeycomb paper core forming machine;
step two: pasting the honeycomb core by using 60-150g of the outer skin paper of a double-sided pasting machine or wrapping the honeycomb core between two layers of outer layer paper to prepare a lining honeycomb paper material;
step three: softening, namely performing double-roller pressing treatment on the sandwich honeycomb paperboard obtained in the second step to realize bending of the lining honeycomb paper material;
step four: positioning the size of the sandwich honeycomb paperboard obtained in the third step by using an cutting forming machine;
step five: spraying environment-friendly pressure-sensitive hot melt adhesive on the sealing position of the semi-finished bag body through a glue sprayer, and fixing a paper release paper strip.
Preferably, the edges of the cut sandwich honeycomb paperboard in the fifth step are fixed by edge bonder bonding or sewing with a thread.
The invention discloses the following technical effects: the inner core of the sandwich honeycomb paperboard is pressed into the flat honeycomb core, the sandwich honeycomb paperboard is softened for one time, the honeycomb core serves as the sandwich layer and can provide a damping effect on articles in the bag body, the bag body is convenient to prepare, raw materials are prevented from being wasted in the preparation process, the hardness of the prepared bag body is small, articles can be conveniently placed, and good protection effect on the articles can be achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a sandwich honeycomb paperboard of the present invention;
FIG. 2 is a schematic structural view of the shock-absorbing environmental-friendly paper bag lined with honeycomb paper according to the present invention;
FIG. 3 is a schematic view showing the structure of the shock-absorbing environmental-friendly paper bag lined with honeycomb paper according to example 2;
FIG. 4 is a schematic side view of the environmentally friendly paper bag lined with honeycomb paper for shock absorption of example 2;
FIG. 5 is a side cross-sectional view of the shock-absorbing environmental paper bag lined with honeycomb paper of example 2;
FIG. 6 is a schematic structural view of a clip assembly according to embodiment 2;
wherein, 1 is cellular core, 2 is first kink, 3 is the second kink, 5 is first plate body, 6 is the second plate body, 7 is the third plate body, 8 is the fourth plate body, 9 is first adhesive tape, 10 is for winding the post, 11 is the retaining ring, 12 is the gasbag post, 13 is the rubber block, 14 is the depressed part, 15 is the second adhesive tape, 16 is the rubber tube, 17 is the air cock, 18 is the protection casing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Example 1
Referring to fig. 1-2, the invention provides a damping environment-friendly paper bag with a lining of honeycomb paper, which comprises a sandwich honeycomb paper board, wherein an inner core of the sandwich honeycomb paper board is set to be a honeycomb core 1, an inner layer of the sandwich honeycomb paper board is replaced by the honeycomb core 1, the honeycomb core 1 is flattened after being pressed by two rollers, a first bent part 2 and a second bent part 3 are arranged on the sandwich honeycomb paper board, and the sandwich honeycomb paper board is folded along the first bent part 2 and the second bent part 3 respectively to form a bag body.
Further optimize the scheme, intermediate layer honeycomb cardboard is including the first plate body 5, second plate body 6 and the third plate body 7 that connect gradually, second plate body 6 is located between first kink 2, the second kink 3, first plate body 5 is located first kink 2 is kept away from the one end of second plate body 6, third plate body 7 is located second kink 3 is kept away from the one end of second plate body 6, third plate body 7 is the strip of paper used for sealing of the bag body, is sealed by third plate body 7 to the bag body.
In a further optimized scheme, two sides of the inner side surface of the first plate body 5 are fixed with two sides of the inner side surface of the second plate body 6, and the first plate body and the second plate body are fixed by adopting adhesion or a suture line.
In a further optimized scheme, the aperture of the honeycomb core 1 is 6 x 6mm-12 x 12mm, and the gram weight of the sandwich honeycomb paperboard is 60-120g/m2。
According to a further optimized scheme, the outer side of the bag body is coated with outer-skin paper, the outer-skin paper is kraft paper or white paper or yellow paper, and the gram weight of the outer-skin paper is 60-150g/m2。
A manufacturing method of a shock-absorbing environment-friendly paper bag with a honeycomb paper lining comprises the following steps:
the method comprises the following steps: manufacturing the base paper into the honeycomb core 1 by a honeycomb paper core forming machine;
step two: pasting the honeycomb core 1 by using a double-sided pasting machine with 60-150g of the outer paper or wrapping the honeycomb core 1 between two layers of outer paper to prepare a lining honeycomb paper material;
step three: softening, namely performing double-roller pressing treatment on the sandwich honeycomb paperboard obtained in the second step to realize bending of the lining honeycomb paper material;
step four: positioning the size of the sandwich honeycomb paperboard obtained in the third step by using an cutting forming machine;
step five: and spraying environment-friendly pressure-sensitive hot melt adhesive on the sealing position of the semi-finished bag body through a glue sprayer, and fixing paper release paper strips.
In a further optimized scheme, the edges of the cut sandwich honeycomb paperboard in the fifth step are fixed by bonding through an edge bonder or sewing through a sewing machine.
The honeycomb paper core forming machine in the equipment adopts a 1300 type, the double-sided pasting machine adopts a 130 type, the softening processor adopts a 1300 type, and the cutting forming machine adopts a 1200 type.
The honeycomb core 1 is preferably two types, one type is formed by mutually bonding strip paper, the hardness is good, when the honeycomb core is used as an inner layer, the strength of a bag body can be improved, and the honeycomb core is embedded in a sandwich honeycomb paperboard in the pasting process, and the edge of the honeycomb core is fixed; the other honeycomb core 1 formed by cutting is soft in overall texture, is directly bonded in the sandwich honeycomb paperboard and has good flexibility.
Example 2
Referring to fig. 3-6, the difference from the embodiment 1 is that two fourth plate bodies 8 are connected between two sides of the inner side surface of the first plate body 5 and the edge of the inner side surface of the second plate body 6, the material structure of the fourth plate bodies 8 is the same as that of the finished sandwich honeycomb paperboard, a detachable buckle assembly is connected between the inner side surface of the first plate body 5 and the inner side surface of the second plate body 6, a first adhesive tape 9 is arranged on the outer side surface of the first plate body 5, the third plate body 7 is detachably connected with the first adhesive tape 9 as a seal, a winding column 10 is further fixed on the outer side surface of the first plate body 5, a retainer ring 11 is fixed on the top of the winding column 10, and the winding column 10 and the retainer ring 11 are.
The buckle subassembly includes gasbag post 12 and block rubber 13, gasbag post 12 also adopts the rubber material preparation, aerify in the gasbag post 12, the surperficial suppression depressed part 14 of gasbag post 12, block rubber 13 inserts depressed part 14 and sets up second adhesive tape 15 between its junction, rubber tube 16 is connected at the both ends of gasbag post 12, and set up ball check valve (not shown in the figure) on the junction of rubber tube 16 and gasbag post 12, the tip of rubber tube 16 stretches out fourth plate body 8 and is fixed with air cock 17, be covered with protection casing 18 on the air cock 17.
The buckle subassembly can guarantee that the bag body seals the department and has good leakproofness, article that hold in the bag provide the guard action, gasbag post 12 can also further provide the bradyseism to the bag body, one-way ball valve guarantees that can only admit air in the gasbag post 12 can not exhaust, buckle subassembly intensity is great, can take 18 blowing nozzle 17 of protection casing down when disassembling, make 14 inflation in depressed part and release rubber block 13, make second adhesive tape 15 and rubber block 13 throw off, when the buckle subassembly is not disassembled, with the head end of rubber tube 16 around on winding post 10, can also make first plate body 5 and the inseparable laminating of second plate body 6, the functionality of the bag body has been improved, convenient to detach, the leakproofness is good, can hold various article, the feature of environmental protection is good.
Example 3
With above-mentioned embodiment 2's difference lies in, get rid of one-way ball valve, air cock 17 department can adopt the detachable end cap to carry out the shutoff, set up the gas pocket on the end cap, buckle subassembly keeps and above-mentioned embodiment 2 same structure, when opening the end cap and blow, still can make the depressed part 14 inflation and release rubber block 13, and then make second adhesive tape 15 and rubber block 13 throw off, when needing to hold the object again, open the end cap gassing, make the depressed part 14 of gasbag post 12 reset, then the shutoff end cap, can make buckle subassembly can reuse, first adhesive tape 9 can be replaced to the magic subsides simultaneously, adopt the magic to paste and fix between the third plate body 7, make the bag body can carry out cyclic utilization.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (7)
1. The utility model provides a inside lining honeycomb paper shock attenuation environmental protection container bag which characterized in that: including intermediate layer honeycomb cardboard, the inner core of intermediate layer honeycomb cardboard sets up to honeycomb core (1), be equipped with first kink (2) and second kink (3) on the intermediate layer honeycomb cardboard, intermediate layer honeycomb cardboard follows respectively first kink (2) with second kink (3) fifty percent discount and formation bag body, (4).
2. The lining honeycomb paper shock absorption environment-friendly paper bag according to claim 1, characterized in that: the sandwich honeycomb paperboard comprises a first board body (5), a second board body (6) and a third board body (7) which are sequentially connected, wherein the second board body (6) is located between a first bending part (2) and a second bending part (3), the first board body (5) is located at one end, away from the second board body (6), of the first bending part (2), the third board body (7) is located at one end, away from the second bending part (3), of the second board body (6), and the third board body (7) is a seal strip of a bag body.
3. The lining honeycomb paper shock absorption environment-friendly paper bag according to claim 2, characterized in that: the two sides of the inner side surface of the first plate body (5) are fixed with the two sides of the inner side surface of the second plate body (6).
4. The lining honeycomb paper shock absorption environment-friendly paper bag according to claim 1, characterized in that: the aperture of the honeycomb core (1) is 6 x 6mm-12 x 12mm, and the gram weight of the sandwich honeycomb paperboard is 60-120g/m2。
5. The lining honeycomb paper shock absorption environment-friendly paper bag according to claim 1, characterized in that: the outer side of the bag body is coated with outer-skin paper, the outer-skin paper is kraft paper or white paper or yellow paper, and the gram weight of the outer-skin paper is 60-150g/m2。
6. A method for manufacturing an environment-friendly shock-absorbing paper bag lined with honeycomb paper, the environment-friendly shock-absorbing paper bag lined with honeycomb paper according to any one of claims 1 to 5, comprising the following steps: the method comprises the following steps:
the method comprises the following steps: manufacturing the base paper into the honeycomb core (1) by a honeycomb paper core forming machine;
step two: pasting the honeycomb core (1) by using a double-sided pasting machine with the 60-150g of the outer paper or wrapping the honeycomb core (1) between two layers of outer paper to prepare a lining honeycomb paper material;
step three: softening, namely performing double-roller pressing treatment on the sandwich honeycomb paperboard obtained in the second step to realize bending of the lining honeycomb paper material;
step four: positioning the size of the sandwich honeycomb paperboard obtained in the third step by using an cutting forming machine;
step five: spraying environment-friendly pressure-sensitive hot melt adhesive on the sealing position of the semi-finished bag body through a glue sprayer, and fixing a paper release paper strip.
7. The method for manufacturing the shock-absorbing environment-friendly paper bag lined with honeycomb paper as claimed in claim 6, wherein: fixing the edges of the cut sandwich honeycomb paperboard in the fifth step by bonding with an edge bonder or sewing with a thread.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011347187.4A CN112550944B (en) | 2020-11-26 | 2020-11-26 | Shock-absorbing environment-friendly paper bag with honeycomb paper lining and manufacturing method thereof |
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| CN202011347187.4A CN112550944B (en) | 2020-11-26 | 2020-11-26 | Shock-absorbing environment-friendly paper bag with honeycomb paper lining and manufacturing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830422A (en) * | 2021-09-30 | 2021-12-24 | 海盐鑫美印刷有限公司 | Environment-friendly packaging paper bag |
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