CN112093249A - Environment-friendly packaging material for food packaging - Google Patents
Environment-friendly packaging material for food packaging Download PDFInfo
- Publication number
- CN112093249A CN112093249A CN202010999740.6A CN202010999740A CN112093249A CN 112093249 A CN112093249 A CN 112093249A CN 202010999740 A CN202010999740 A CN 202010999740A CN 112093249 A CN112093249 A CN 112093249A
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- Prior art keywords
- bag body
- packaging
- packaging bag
- food
- layer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 80
- 235000013305 food Nutrition 0.000 title claims abstract description 50
- 239000005022 packaging material Substances 0.000 title claims abstract description 16
- 239000010410 layer Substances 0.000 claims abstract description 47
- 239000011241 protective layer Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 20
- 238000002955 isolation Methods 0.000 claims abstract description 18
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 31
- 238000007493 shaping process Methods 0.000 claims description 17
- 238000013461 design Methods 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- 229920001169 thermoplastic Polymers 0.000 claims description 7
- 239000004416 thermosoftening plastic Substances 0.000 claims description 7
- 239000004698 Polyethylene Substances 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 238000009941 weaving Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 19
- 230000001788 irregular Effects 0.000 abstract description 5
- 235000021485 packed food Nutrition 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 description 6
- 230000008093 supporting effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012858 packaging process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000005021 flexible packaging material Substances 0.000 description 1
- 235000019601 food appearance Nutrition 0.000 description 1
- 239000005003 food packaging material Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011138 rigid packaging material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010104 thermoplastic forming Methods 0.000 description 1
- 238000009757 thermoplastic moulding Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Packages (AREA)
- Buffer Packaging (AREA)
- Packging For Living Organisms, Food Or Medicinal Products That Are Sensitive To Environmental Conditiond (AREA)
Abstract
The invention discloses an environment-friendly packaging material for food packaging, and particularly relates to the field of food packaging. According to the packaging bag, the main body layer and the inner protective layer are matched for use, the air exhaust effect is performed on the inner cavity of the packaging bag body through the air pipe according to the amount of food filled in the packaging bag body, the food placed in the packaging bag body is attached through the first air cavity column of the longitudinal cushion layer, the air columnar first air cavity column supports the packaged food, the irregular food can be protected and supported, the good using effect can be achieved without adding a protective material additionally, and after the packaging bag body is damaged or damaged in use, a user can sequentially detach the inner protective layer and the isolation film from the outer liner to collect, store and recycle different materials.
Description
Technical Field
The invention relates to the technical field of food packaging, in particular to an environment-friendly packaging material for food packaging.
Background
Food packaging (food packaging) is an integral part of a food commodity. One of the major projects in the food industry process. It protects the food, prevents the damage of biological, chemical and physical external factors in the process of the food leaving the factory to the hand of the consumer, and it can also have the function of keeping the stable quality of the food itself, it is convenient for the food to eat, it expresses the food appearance at first, attracts the image of consumption, and has the value beyond the material cost. Therefore, the food packaging process is also an integral part of the food manufacturing system engineering. The versatility of the food packaging process makes it relatively self-contained; the process of packaging food products with plastic mainly comprises four industries, the first of which refers to the production of plastic resins and films. The second is the flexible and rigid packaging material processing industry, the third is the packaging machinery production industry, and the fourth is the food processing industry. In the first industry, petroleum, coal, natural gas and other raw materials are used to synthesize polymeric low molecular compounds, which are further polymerized into various resins. Thus, the single or multi-layer composite film is processed and provided for food packaging in food processing factories.
The application of various packaging materials of current video packing class though can play the guard action to food to a certain extent, but mostly only to the specific protective material of article refill of specific shape to guarantee good protection effect, and this wrapping bag can't continue to use after using, even can continue to use also can't play good storage effect, because the shape is not the adaptation, cause the food that holds jolt easily, damage, the result of use is not good, be unfavorable for the cyclic utilization and the reuse of this wrapping bag.
Disclosure of Invention
In order to overcome the above defects in the prior art, embodiments of the present invention provide an environment-friendly packaging material for food packaging, and the technical problems to be solved by the present invention are: how to improve the using effect of the existing food packaging material to ensure the environment-friendly using effect.
In order to achieve the purpose, the invention provides the following technical scheme: the environment-friendly packaging material for food packaging comprises a packaging bag body, wherein hand-held belts are fixedly arranged on two sides of the top of the packaging bag body, a sealing clamp is detachably and movably arranged on the top of the packaging bag body, storage creases are formed on two sides of the packaging bag body, and a shrinking piece is fixedly arranged on one side of each storage crease;
the packaging bag body comprises a main body layer and an inner protective layer, and shaping rods are longitudinally and fixedly arranged at four corners between the main body layer and the inner protective layer;
the main body layer comprises an outer liner, an isolation film is arranged on the inner wall of the outer liner, a plurality of thermoplastic press grains are distributed between the isolation film and the outer liner at equal intervals, the isolation film and the outer liner are fixedly connected through the plurality of thermoplastic press grains, four side edges of the isolation film are fixedly connected with the inner protective layer, and a closed cavity is formed between the inner protective layer and the isolation film;
the inner protective layer comprises a longitudinal cushion layer and a transverse cushion layer, the bottom end of the longitudinal cushion layer is fixedly connected with the outer edge of the transverse cushion layer, a plurality of first air cavity columns are longitudinally arranged in the longitudinal cushion layer, and a plurality of second air cavity columns are transversely arranged in the transverse cushion layer;
the sealing clamp comprises two clamping strips, one ends of the two clamping strips are rotatably and fixedly connected, and the two fixing rubber strips are buckled;
the body contracting part comprises a vent pipe, a sealing cap is arranged on one side of the vent pipe, fixed threads are arranged on the inner wall of the sealing cap and the outer wall of the vent pipe, and the vent pipe and the sealing cap are detachably connected through the fixed threads.
The implementation mode is specifically as follows: the breather pipe is used for pumping air into the inner cavity of the packaging bag body, the first air cavity column of the longitudinal cushion layer is used for laminating food placed inside the packaging bag body, the first air cavity column of the air column shape is used for supporting the packaged food, the protection supporting effect can be achieved on irregular food, and a good using effect can be achieved without additionally adding a protection material.
In a preferred embodiment, design pole includes the design rib, the fixed protection pad that is equipped with in design rib external portion, design rib and protection pad length all highly equals with the wrapping bag body, and barrier film and interior inoxidizing coating all with protection pad outer wall fixed connection.
In a preferred embodiment, the setting ribs are provided as 4mm stainless steel ribs, the protective pad is made of a silicone material, and the isolation film and the inner protective layer are both made of a polyethylene material.
In a preferred embodiment, the two ends of the hand-held band are fixedly connected with the main body layer, and the outer pad and the hand-held band are made of fiber weaving.
In a preferred embodiment, the vent tube has an outer diameter equal to an inner diameter of the sealing cap, and one end of the vent tube extends through the package body and is connected to the interior of the package body.
In a preferred embodiment, the first air cavity column has an internal air content of 70% of the total volume of the first air cavity column and the second air cavity column has an internal air content of 100% of the total volume of the second air cavity column.
In a preferred embodiment, the cavity formed by the isolating membrane and the outer wall of the inner protective layer is vacuumized, and the isolating membrane is attached to the outer wall of the inner protective layer.
In a preferred embodiment, the sealing clip has a length greater than the transverse width of the package body, and is made of polyethylene.
The invention has the technical effects and advantages that:
1. according to the packaging bag, the main body layer is matched with the inner protective layer, the air exhaust effect is performed on the inner cavity of the packaging bag body through the vent pipe according to the amount of food filled in the packaging bag body, the food placed in the packaging bag body is attached through the first air cavity column of the longitudinal cushion layer, the air columnar first air cavity column supports the packaged food, the irregular food can be protected and supported, the good using effect can be achieved without adding a protective material additionally, and after the packaging bag body is damaged or damaged in use, a user can sequentially detach the inner protective layer, the isolating film and the outer liner to collect, store and recycle different materials, compared with the traditional thermoplastic forming or composite material, the separation effect is not easy to affect the reuse, and the self environment-friendly effect is ensured;
2. the invention can play a good role in supporting the bottom width by arranging the shaping rod, so as to avoid the problem of collision caused by toppling or placing when the packaging bag body is placed on the ground, and the arrangement of the shaping rod can ensure that the integrity of the packaging bag body relative to the longitudinal shape can be ensured after the food is placed in the inner cavity of the packaging bag body and deforms and contracts, the shaping ribs can support the shape according to certain deformation of the packaging bag body, and the protective pad made of silica gel does not influence the normal clamping effect of the sealing clamp due to the good deformation effect of the protective pad, so as to assist the transverse cushion layer to avoid toppling when the packaging bag body containing food is vertically and temporarily placed, so as to avoid the problem of toppling over of the center of gravity caused by irregular shape of the packaging bag body, and a user can manually adjust the straightness of the shaping rod after use or when the packaging bag is used again, the operation is simple and the use is convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the structure of part A in FIG. 1 according to the present invention.
FIG. 3 is a schematic cross-sectional view of the packaging bag body according to the present invention.
Fig. 4 is a schematic structural diagram of an inner protective layer according to the present invention.
FIG. 5 is a schematic view of the structure of the portion B in FIG. 4 according to the present invention.
Fig. 6 is a schematic diagram of the explosive structure of the contracting body part of the invention.
Fig. 7 is a schematic cross-sectional structure of the sizing rod of the present invention.
The reference signs are: 1 packaging bag body, 11 main body layer, 111 outer liner, 112 isolating film, 113 thermoplastic press-fit patterns, 12 inner protective layer, 121 longitudinal liner layer, 122 transverse liner layer, 123 first air cavity column, 124 second air cavity column, 13 shaping rod, 131 shaping rib, 132 protective pad, 2 hand-held belt, 3 sealing clamp, 4 receiving crease, 5 shrinking piece, 51 ventilating pipe, 52 sealing cap and 53 fixing screw thread.
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.
The invention provides an environment-friendly packaging material for food packaging, which comprises a packaging bag body 1, wherein hand-held belts 2 are fixedly arranged on two sides of the top of the packaging bag body 1, a sealing clamp 3 is detachably and movably arranged on the top of the packaging bag body 1, storage creases 4 are respectively arranged on two sides of the packaging bag body 1, and a shrinkage piece 5 is fixedly arranged on one side of each storage crease 4;
the packaging bag body 1 comprises a main body layer 11 and an inner protective layer 12, and shaping rods 13 are longitudinally and fixedly arranged at four corners between the main body layer 11 and the inner protective layer 12;
the main body layer 11 comprises an outer liner 111, an isolation film 112 is arranged on the inner wall of the outer liner 111, a plurality of thermoplastic press-fit grains 113 are distributed between the isolation film 112 and the outer liner 111 at equal intervals, the isolation film 112 and the outer liner 111 are fixedly connected through the plurality of thermoplastic press-fit grains 113, four side edges of the isolation film 112 are fixedly connected with the inner protection layer 12, and a closed cavity is formed between the inner protection layer 12 and the isolation film 112;
the inner protection layer 12 comprises a longitudinal cushion layer 121 and a transverse cushion layer 122, the bottom end of the longitudinal cushion layer 121 is fixedly connected with the outer edge of the transverse cushion layer 122, a plurality of first air cavity columns 123 are longitudinally arranged in the longitudinal cushion layer 121, and a plurality of second air cavity columns 124 are transversely arranged in the transverse cushion layer 122;
the sealing clamp 3 comprises two clamping strips, one ends of the two clamping strips are rotatably and fixedly connected, and the two fixing rubber strips are buckled;
the retractable member 5 comprises a vent pipe 51, a sealing cap 52 is arranged on one side of the vent pipe 51, fixing threads 53 are arranged on the inner wall of the sealing cap 52 and the outer wall of the vent pipe 51, and the vent pipe 51 and the sealing cap 52 are detachably connected through the fixing threads 53.
Both ends of the handheld belt 2 are fixedly connected with the main body layer 11, the outer liner 111 and the handheld belt 2 are made of fibers in a woven mode, the outer diameter of the vent pipe 51 is equal to the inner diameter of the sealing cap 52, one end of the vent pipe 51 penetrates through the packaging bag body 1 and is connected with the inner cavity of the packaging bag body 1, the air content in the first air cavity column 123 accounts for 70% of the total volume of the first air cavity column 123, the air content in the second air cavity column 124 accounts for 100% of the total volume of the second air cavity column 124, the length of the sealing clamp 3 is larger than the transverse width of the packaging bag body 1, and the sealing clamp 3 is made of polyethylene materials.
As shown in fig. 1 to 6, the embodiment specifically is as follows: the user only needs to put the materials into the inner cavity of the packaging bag body 1, then according to the amount of food filled in the packaging bag body 1, the top end opening of the packaging bag body 1 is folded by the storage crease 4, the top end of the packaging bag body 1 is sealed by the sealing clamp 3, the insufficient air content in the first air cavity column 123 does not affect the damage of the longitudinal cushion layer 121 when the sealing clamp 3 fixes the arbitrary position of the packaging bag body 1, then the sealing cap 52 is opened, the air suction effect is performed on the inner cavity of the packaging bag body 1 by the vent pipe 51, the food placed in the packaging bag body 1 is attached by the first air cavity column 123 of the longitudinal cushion layer 121, then the vent pipe 51 is blocked by the sealing cap 52, the inner part of the packaging bag body 1 is attached to the outer part of the food to be packaged, the first air cavity column 123 of the air column supports the packaged food, and the protection and support, need not to add extra protective material again, can play the effect of limiting position side shift to the glass jar class article that are difficult for preserving relatively in same wrapping bag body 1, avoid the damaged condition that adjacent glassware bumps and bring, and this wrapping bag body 1 can used repeatedly many times, and need not additionally to add protective material and can reach good result of use, and this wrapping bag body 1 uses and damages or damaged back, the user can tear apart interior inoxidizing coating 12 and barrier film 112 and outer liner 111 in proper order, concentrate the collection to different materials and deposit and recycle, more traditional thermoplastic molding or combined material are difficult for tearing apart the influence and reuse, guarantee the environmental protection effect of self.
The shaping rod 13 comprises shaping ribs 131, a protective pad 132 is fixedly arranged outside the shaping ribs 131, the lengths of the shaping ribs 131 and the protective pad 132 are equal to the height of the packaging bag body 1, the isolating membrane 112 and the inner protective layer 12 are fixedly connected with the outer wall of the protective pad 132, the shaping ribs 131 are set to be 4mm stainless steel bars, the protective pad 132 is made of silica gel materials, the isolating membrane 112 and the inner protective layer 12 are made of polyethylene materials, a cavity formed by the isolating membrane 112 and the outer wall of the inner protective layer 12 is vacuumized, and the isolating membrane 112 is attached to the outer wall of the inner protective layer 12;
as shown in fig. 1-2 and fig. 4-7, the embodiment is specifically as follows: after food to be stored is placed in the inner cavity of the packaging bag body 1, the second air cavity column 124 filled with 100% can have a good bottom width supporting effect, so that the problem of collision caused by toppling or placing after the packaging bag body 1 is placed on the ground is avoided, the arrangement of the shaping rod 13 can ensure that the integrity of the packaging bag body 1 relative to the longitudinal shape is ensured after the inner cavity of the packaging bag body 1 for placing the food is deformed and contracted, the shaping ribs 131 can carry out shape supporting according to certain deformation of the packaging bag body 1, and the protective pad 132 made of silica gel does not influence the normal clamping effect of the sealing clamp 3 due to the good deformation effect of the protective pad, so that the transverse cushion layer 122 is assisted to avoid toppling when the packaging bag body 1 containing the food is vertically and temporarily placed, the problem of gravity center toppling caused by irregular shape of the packaging bag body 1 is avoided, and the transverse cushion is unstable after use or when the, the straightness of the setting rod 13 can be manually adjusted by a user, and the operation is simple and convenient.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. The utility model provides an environmental protection's a packaging material for food package, includes wrapping bag body (1), its characterized in that: the packaging bag comprises a packaging bag body (1), wherein handheld belts (2) are fixedly arranged on two sides of the top of the packaging bag body (1), a sealing clamp (3) is movably arranged on the top of the packaging bag body (1) in a detachable mode, storage creases (4) are arranged on two sides of the packaging bag body (1), and a shrinkage piece (5) is fixedly arranged on one side of each storage crease (4);
the packaging bag body (1) comprises a main body layer (11) and an inner protective layer (12), and shaping rods (13) are longitudinally and fixedly arranged at four corners between the main body layer (11) and the inner protective layer (12);
the main body layer (11) comprises an outer liner (111), an isolation film (112) is arranged on the inner wall of the outer liner (111), a plurality of thermoplastic press grains (113) are distributed between the isolation film (112) and the outer liner (111) at equal intervals, the isolation film (112) and the outer liner (111) are fixedly connected through the plurality of thermoplastic press grains (113), four side edges of the isolation film (112) are fixedly connected with the inner protective layer (12), and a closed cavity is formed between the inner protective layer (12) and the isolation film (112);
the inner protection layer (12) comprises a longitudinal cushion layer (121) and a transverse cushion layer (122), the bottom end of the longitudinal cushion layer (121) is fixedly connected with the outer edge of the transverse cushion layer (122), a plurality of first air cavity columns (123) are longitudinally arranged in the longitudinal cushion layer (121), and a plurality of second air cavity columns (124) are transversely arranged in the transverse cushion layer (122);
the sealing clamp (3) comprises two clamping strips, one ends of the two clamping strips are rotatably and fixedly connected, and the two fixing rubber strips are buckled;
the retractable part (5) comprises a vent pipe (51), a sealing cap (52) is arranged on one side of the vent pipe (51), fixing threads (53) are arranged on the inner wall of the sealing cap (52) and the outer wall of the vent pipe (51), and the vent pipe (51) and the sealing cap (52) are detachably connected through the fixing threads (53).
2. An environmentally friendly packaging material for food packaging as claimed in claim 1, wherein: shaping pole (13) are including design rib (131), design rib (131) external fixation is equipped with protection pad (132), design rib (131) and protection pad (132) length all highly equals with wrapping bag body (1), and barrier film (112) and interior inoxidizing coating (12) all with protection pad (132) outer wall fixed connection.
3. An environmentally friendly packaging material for food packaging as claimed in claim 2, wherein: the setting ribs (131) are set to be 4mm stainless steel ribs, the protective pad (132) is made of a silica gel material, and the isolation film (112) and the inner protective layer (12) are made of a polyethylene material.
4. An environmentally friendly packaging material for food packaging as claimed in claim 1, wherein: both ends of the hand-held belt (2) are fixedly connected with the main body layer (11), and the outer pad (111) and the hand-held belt (2) are made of fiber in a weaving mode.
5. An environmentally friendly packaging material for food packaging as claimed in claim 1, wherein: the outer diameter of the vent pipe (51) is equal to the inner diameter of the sealing cap (52), and one end of the vent pipe (51) penetrates through the packaging bag body (1) and is connected with the inner cavity of the packaging bag body (1).
6. An environmentally friendly packaging material for food packaging as claimed in claim 1, wherein: the air content in the first air cavity column (123) accounts for 70% of the total volume of the first air cavity column (123), and the air content in the second air cavity column (124) accounts for 100% of the total volume of the second air cavity column (124).
7. An environmentally friendly packaging material for food packaging as claimed in claim 1, wherein: the cavity that barrier film (112) and interior inoxidizing coating (12) outer wall formed carries out the evacuation setting, barrier film (112) and interior inoxidizing coating (12) outer wall laminating.
8. An environmentally friendly packaging material for food packaging as claimed in claim 1, wherein: the length of the sealing clamp (3) is greater than the transverse width of the packaging bag body (1), and the sealing clamp (3) is made of polyethylene materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010999740.6A CN112093249A (en) | 2020-09-22 | 2020-09-22 | Environment-friendly packaging material for food packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010999740.6A CN112093249A (en) | 2020-09-22 | 2020-09-22 | Environment-friendly packaging material for food packaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112093249A true CN112093249A (en) | 2020-12-18 |
Family
ID=73754727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010999740.6A Pending CN112093249A (en) | 2020-09-22 | 2020-09-22 | Environment-friendly packaging material for food packaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112093249A (en) |
-
2020
- 2020-09-22 CN CN202010999740.6A patent/CN112093249A/en active Pending
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20201218 |
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| WD01 | Invention patent application deemed withdrawn after publication |