CN113859742A - Oxygen indicating type deoxidizer and manufacturing method thereof - Google Patents

Oxygen indicating type deoxidizer and manufacturing method thereof Download PDF

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Publication number
CN113859742A
CN113859742A CN202111324844.8A CN202111324844A CN113859742A CN 113859742 A CN113859742 A CN 113859742A CN 202111324844 A CN202111324844 A CN 202111324844A CN 113859742 A CN113859742 A CN 113859742A
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CN
China
Prior art keywords
oxygen
film
indicator
deoxidizer
edge
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Pending
Application number
CN202111324844.8A
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Chinese (zh)
Inventor
何松
黄华焕
谢武
梁展韬
李善青
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Guangdong Guangyi Technology Industrial Co ltd
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Guangdong Guangyi Technology Industrial Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Guangyi Technology Industrial Co ltd filed Critical Guangdong Guangyi Technology Industrial Co ltd
Priority to CN202111324844.8A priority Critical patent/CN113859742A/en
Publication of CN113859742A publication Critical patent/CN113859742A/en
Pending legal-status Critical Current

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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
    • B65D33/004—Information or decoration elements, e.g. level indicators, detachable tabs or coupons
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/10—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of paper or cardboard
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • 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
    • 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
    • B65D33/04—Windows or other apertures, e.g. for viewing contents
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Packages (AREA)

Abstract

The invention provides an oxygen indicating type deoxidizer and a manufacturing method thereof, wherein the oxygen indicating type deoxidizer comprises a breathable inner film for accommodating an deoxidizer part and a perforated outer film for arranging an oxygen indicator, the perforated outer film comprises a body part for coating the breathable inner film and an indicator introducing part which is formed by extending the body part outwards and accommodates the oxygen indicator, and the indicator introducing part comprises a longitudinal edge sealing area and a transparent area which is arranged between the longitudinal edge sealing area and the body part and covers the oxygen indicator. The oxygen indicator is arranged in the indicator introducing part, and the outer membrane is perforated, so that the oxygen indicator has high air permeability and stable air permeability, the oxygen indicator changes color quickly, can accurately and directly react to the deoxidation condition of the deoxidizer, is wrapped by the air permeable inner membrane, has small aperture and does not leak powder. Meanwhile, the area of the indicator leading-in part covering the oxygen indicator is a transparent area, so that the color change condition of the oxygen indicator can be observed on two sides through the transparent areas on two sides of the oxygen indicating type deoxidizer.

Description

Oxygen indicating type deoxidizer and manufacturing method thereof
Technical Field
The invention relates to the technical field of deoxidizers, in particular to an oxygen indicating deoxidizer and a preparation method thereof.
Background
The oxygen indicating type deoxidizer generally comprises an deoxidizer element and an oxygen indicating element, wherein the deoxidizer element is filled in a food packaging bag, can effectively inhibit the growth of mould and aerobic bacteria, prolongs the shelf life of food, and can play a good role in the aspects of preventing rancidity of grease, preventing oxidation and browning of meat, preventing loss of vitamins in food and the like. In order to determine whether a deoxidizer is effective, many deoxidizer products incorporate an oxygen indicator to determine their usefulness.
At present, the oxygen indicator is arranged in two ways, one of the ways is to fix the oxygen indicator on the deoxidizer bag, and the way can only observe the color change of the oxygen indicator through one side of the deoxidizer bag, which is not beneficial to daily use. And secondly, the oxygen indicator is arranged on the side surface of the deoxidizer, the oxygen indicator and the deoxidizer are packaged by adopting a full plastic film, and the full plastic film is arranged to be transparent in the region where the oxygen indicator is arranged, so that the color change of the oxygen indicator can be observed on two sides of the deoxidizer, the full plastic film is made of a PET/PE composite film or a PET/CPP composite film adopting a through hole, or a PET/PET/CPP composite film or a PET/PET/PE composite film adopting a dislocation hole, and the oxygen indicator and the deoxidizer are packaged by adopting the same full plastic film. If the aperture is too large, the powder leakage phenomenon occurs, food can be polluted during use, and the use is inconvenient and the experience of customers is poor.
Therefore, how to consider the color change condition of the oxygen indicator on both sides and reach the aims of stable ventilation, stable color change of the oxygen indicator and obviously improved quality and safety is a difficult problem to be considered urgently in the industry.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an oxygen indicating type deoxidizer which is stable in gas permeation and oxygen indicating discoloration, and enables double-sided observation of discoloration of an oxygen indicator, and a method for producing the same.
In order to achieve the above object, the present invention provides an oxygen indicating type deoxidizer including a gas permeable inner film accommodating an deoxidizer element and a perforated outer film provided with an oxygen indicator, the perforated outer film including a body portion covering the gas permeable inner film and an indicator introduction portion formed by extending outward from the body portion and accommodating the oxygen indicator, the indicator introduction portion including a longitudinal margin region and a transparent region interposed between the longitudinal margin region and the body portion and covering the oxygen indicator.
In the oxygen indicating type deoxidizer of the invention, the oxygen indicator is simultaneously wrapped by the breathable inner film and the perforated outer film, and the oxygen indicator is only positioned in the indicator introducing part, so that the deoxidizer and the oxygen indicator can be separately loaded. The oxygen indicator arranged in the indicator introducing part has large air permeability and stable air permeability because the outer membrane is perforated, so the oxygen indicator has quick color change, can accurately and directly react to the deoxidation condition of the deoxidizer, the deoxidizer is wrapped by the breathable inner membrane, the pore diameter of the deoxidizer is smaller, and the powder leakage phenomenon cannot occur. Meanwhile, the area of the indicator leading-in part covering the oxygen indicator is a transparent area, so that the color change condition of the oxygen indicator can be observed on two sides through the transparent areas on two sides of the oxygen indicating type deoxidizer.
As a preferred technical scheme, the breathable inner membrane is a paper membrane or a PE layer/paper membrane/PE layer three-layer composite membrane, the PE layer is a PE perforated membrane, the pore diameter is 100-1000 microns, powder leakage of the deoxidizer can be prevented by arranging the paper membrane, and gas permeation can be guaranteed.
As a preferred technical scheme, the outer membrane with holes is a PET/PE composite membrane or an OPP/PE composite membrane with holes, the aperture of the outer membrane with holes is 100-1000 mu m, the aperture of the holes can ensure higher air permeability, and the air permeability is stable.
As a preferable technical solution, the body part and the breathable inner film are sealed at the same time by three sealing edges to form a first transverse sealing edge and a second transverse sealing edge which are parallel to each other, and a first longitudinal sealing edge is arranged at one side of the first transverse sealing edge and the second transverse sealing edge, which is close to the leading-in part of the indicator.
Preferably, the width W1 of the first longitudinal sealing edge formed by the main body is greater than the width W2 of the first longitudinal sealing edge formed by the breathable inner film. More preferably, the W1 and the W2 are respectively and independently 2-10 mm, and the W1 is 1-2 mm larger than the W2. Through the dislocation sealing of the body part and the breathable inner membrane, the structure can prevent the oxygen indicator from contacting with the breathable inner membrane, and avoid the pigment in the oxygen indicator from permeating into the paper membrane of the breathable inner membrane, thereby influencing the color effect of the oxygen indicator.
As a preferable technical solution, a width of the first transverse sealing edge formed by the body part is consistent with a width of the first transverse sealing edge formed by the air-permeable inner film, and the width is 1 to 20mm, and a width of the second transverse sealing edge formed by the body part is consistent with a width of the second transverse sealing edge formed by the air-permeable inner film, and the width is 1 to 20 mm.
As a preferred technical scheme, the width of the longitudinal edge sealing area is 0.1-10 mm, and the width of the transparent area is 0.5-10 mm.
As a preferred technical scheme, the body portion is of a three-edge sealing structure and forms an accommodating cavity for accommodating the breathable inner film, the body portion comprises a first transverse edge sealing and a second transverse edge sealing which are parallel to each other, and a first longitudinal edge sealing is arranged on one side, close to the indicator introducing portion, of the first transverse edge sealing and the second transverse edge sealing.
As an optimal technical scheme, the width of the first transverse edge sealing is consistent with that of the second transverse edge sealing and is 1-20 mm, and the width of the first longitudinal edge sealing is 2-10 mm.
In a preferred embodiment, the oxygen indicator is an oxygen indicator tape or an oxygen indicator line, and the deoxidizing agent is a powdery, flaky, massive, granular, liquid or pasty deoxidizing agent.
In order to achieve the above object, the present invention also provides a method for producing an oxygen indicating type deoxidizer, comprising: the method comprises the steps of stacking a breathable inner film and a perforated outer film at least with the size in the transverse direction larger than that of the breathable inner film in the vertical direction, placing the stacked breathable inner film and perforated outer film on a double-layer packaging machine, adding a deoxidizer into the breathable inner film, carrying out three-edge sealing packaging on the breathable inner film and the perforated outer film together, and carrying out heat sealing on the edge of the perforated outer film after an oxygen indicator is introduced between the redundant sizes of the perforated outer film.
The oxygen indicator can be separately filled with the deoxidizing agent and the oxygen indicator through two times of separate sealing, so that the air permeability is stable, the oxygen indicator is stable in color change, and the quality and the safety of products can be improved.
Drawings
FIG. 1 is a perspective view of an oxygen indicating type deoxidizer of the present invention.
FIG. 2 is a partially folded view of a first embodiment of a permeable inner film and a perforated outer film of an oxygen indicating deoxidizer of the invention.
FIG. 3 is a view showing a laminated structure of a permeable inner film and a perforated outer film in a second embodiment of the oxygen indicator type deoxidizer of the invention.
DESCRIPTION OF SYMBOLS IN THE DRAWINGS
100-oxygen indicating type deoxidizer; 10-breathable inner membrane; 11-a first longitudinal edge seal; 30-perforating the outer membrane; 31-a body portion; 311-a first transverse edge seal; 313-a second transverse edge seal; 315-first longitudinal edge seal; 33-indicator introduction; 331-transparent region; 333-longitudinal edge sealing area; 50-oxygen indicator; W1/W2/W3/W4/W5/W6-Width
Detailed Description
To better illustrate the objects, technical solutions and advantages of the present invention, the present invention will be further described with reference to the following embodiments and accompanying drawings. It should be noted that the following specific examples are provided for further explanation of the present invention and should not be construed as limiting the present invention.
As shown in FIGS. 1 to 3, the oxygen indicating type deoxidizer 100 includes a gas permeable inner film 10 accommodating the deoxidizer and a perforated outer film 30 provided with an oxygen indicator 50, the perforated outer film 30 includes a body portion 31 covering the gas permeable inner film 10 and an indicator introduction portion 33 formed by extending the body portion 31 outward and accommodating the oxygen indicator 50, and the indicator introduction portion 33 includes a longitudinal sealing region 333 and a transparent region 331 interposed between the longitudinal sealing region 333 and the body portion 31 and covering the oxygen indicator 50.
Continuing with fig. 1 and 2, the body portion 31 and the breathable inner film 10 are sealed three times to form a first transverse sealing edge 311 and a second transverse sealing edge 313 which are parallel to each other, and the first transverse sealing edge 311 and the second transverse sealing edge 313 are provided with a first longitudinal sealing edge 315 at one side close to the indicator leading-in portion 33. The width W1 of the first longitudinal seal 315 formed by the body portion 31 is greater than the width W2 of the first longitudinal seal 11 formed by the breathable inner film 10. More preferably, W1 and W2 are each independently 2 to 10mm, and W1 is 1 to 2mm larger than W2. By the dislocation sealing of the body portion 31 and the air-permeable inner film 10, the structure can prevent the oxygen indicator 50 from contacting the air-permeable inner film 10, and prevent the pigment in the oxygen indicator 50 from permeating into the paper film of the air-permeable inner film 10, thereby affecting the color effect of the oxygen indicator 50. The width W3 of the first transverse sealing edge 311 formed by the main body 31 is equal to the width of a first transverse sealing edge (not shown in the figure) formed by the breathable inner film 10, and the width is 1-20 mm, and the width of the second transverse sealing edge 313 formed by the main body 31 is equal to the width of a second transverse sealing edge (not shown in the figure) formed by the breathable inner film 10, and the width is 1-20 mm. The width W5 of the longitudinal edge sealing area 333 is 0.1-10 mm, and the width W6 of the transparent area 331 is 0.5-10 mm.
The method for producing the oxygen indicating deoxidizer 100 having such a structure may include: the method comprises the steps of stacking the air-permeable inner film 10 and the perforated outer film 30 which is larger than the air-permeable inner film 10 in at least the transverse direction, placing the stacked films on a double-layer packaging machine, adding a deoxidizer into the air-permeable inner film 10, performing three-edge sealing packaging on the air-permeable inner film 10 and the perforated outer film 30 together, and introducing an oxygen indicator 50 between the redundant sizes of the perforated outer film 30 and then heat-sealing the edge of the perforated outer film 30. And can be cut off in the horizontal direction after being sealed to become a single oxygen indicating deoxidizer, or can be directly rolled first and cut off when being used for food packaging. The manufacturing method only needs two steps of sealing, has simple process and high working efficiency, and can be produced in batch.
The body 31 and the breathable inner film 10 may not be sealed by three sealing edges at the same time, as shown in fig. 3, the body 31 has a three-sealing-edge structure and forms a containing cavity for containing the breathable inner film 10, the body 31 includes a first transverse sealing edge 311 and a second transverse sealing edge 313 that are parallel to each other, and a first longitudinal sealing edge 315 is disposed on one side of the first transverse sealing edge 311 and the second transverse sealing edge 313 that is close to the indicator introducing portion 33. The width of the first transverse sealing edge 315 is consistent with that of the second transverse sealing edge 313 and is 1-20 mm, and the width of the first longitudinal sealing edge 315 is 2-10 mm.
The method for producing the oxygen indicating deoxidizer 100 having such a structure may include: the deoxidizer is prepared by adopting a breathable inner film and a deoxidizer body to carry out three-edge sealing, then adopting a perforated outer film 30 which is larger than the breathable inner film 10 in size at least in the transverse direction to wrap the deoxidizer and carry out three-edge sealing, and introducing an oxygen indicator 50 between the redundant sizes of the perforated outer film 30 and then carrying out heat sealing on the edge of the perforated outer film 30.
Meanwhile, it is further explained that the breathable inner film 10 is a paper film or a PE layer/paper film/PE layer three-layer composite film, the PE layer is a PE perforated film, the pore diameter is 100-1000 μm, powder leakage of the deoxidizer can be prevented by arranging the paper film, and gas permeation can be ensured. The outer film 30 is a perforated PET/PE composite film or OPP/PE composite film with a pore diameter of 100-1000 μm, and the perforated pore diameter can ensure high air permeability and stable air permeability. The oxygen indicator 50 is an oxygen indicator tape or an oxygen indicator line, and the deoxidizing agent is a powdery, flaky, blocky, granular, liquid or pasty deoxidizing agent. The body portion 31 may be transparent, translucent or opaque as required.
In the oxygen indicator type deoxidizer 100 of the present invention, the oxygen indicator 50 is simultaneously wrapped by the gas permeable inner film 10 and the perforated outer film 30, and the oxygen indicator 50 is only located in the indicator introducing portion 33, so that the deoxidizer and the oxygen indicator 50 can be separately housed. The oxygen indicator 50 placed in the indicator introducing part 33 has high air permeability and stable air permeability because the outer film is perforated, so that the oxygen indicator 50 changes color quickly and can accurately and directly react to the deoxidation condition of the deoxidizer, the deoxidizer is wrapped by the air permeable inner film 10, the pore diameter is small, and the powder leakage phenomenon cannot occur, so that the oxygen indicator 100 can realize stable air permeability and stable oxygen indication color change and can improve the quality and the safety of products by separately loading the deoxidizer and the oxygen indicator 50. Meanwhile, since the area of the indicator introduction part 33 covering the oxygen indicator 50 is a transparent area, the discoloration of the oxygen indicator 50 can be observed on both sides through the transparent areas 331 at both sides of the oxygen indicating type deoxidizer 100.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications and alterations to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles disclosed herein.

Claims (10)

1. An oxygen indicator type deoxidizer is characterized by comprising a breathable inner film for accommodating an deoxidizer element and a perforated outer film for arranging an oxygen indicator, wherein the perforated outer film comprises a body part for coating the breathable inner film and an indicator introducing part which is formed by extending the body part outwards and is used for accommodating the oxygen indicator, and the indicator introducing part comprises a longitudinal edge sealing area and a transparent area which is arranged between the longitudinal edge sealing area and the body part and covers the oxygen indicator.
2. The oxygen-indicating deoxidizer of claim 1, wherein the breathable inner film is a paper film or a three-layer composite film of PE layer/paper film/PE layer, and the PE layer is a PE perforated film with a pore size of 100-1000 μm.
3. The oxygen indicating type deoxidizer according to claim 1, wherein the perforated outer film is a perforated PET/PE composite film or OPP/PE composite film having a pore size of 100 to 1000 μm.
4. The oxygen-indicating deoxidizer of claim 1, wherein the body portion and the breathable inner film are triple sealed and form a first transverse sealed edge and a second transverse sealed edge that are parallel to each other, and wherein the first transverse sealed edge and the second transverse sealed edge are provided with a first longitudinal sealed edge at a side close to the indicator introduction portion.
5. The oxygen-indicating deoxidizer of claim 4, wherein the width W1 of the first longitudinal seal formed by the body portion is greater than the width W2 of the first longitudinal seal formed by the breathable inner film, W1 and W2 are each independently 2 to 10mm, and W1 is 1 to 2mm greater than W2.
6. The oxygen indicator type deoxidizer according to claim 4, wherein the width of the first transverse sealing edge formed by the body part is 1-20 mm in accordance with the width of the first transverse sealing edge formed by the air-permeable inner film, and the width of the second transverse sealing edge formed by the body part is 1-20 mm in accordance with the width of the second transverse sealing edge formed by the air-permeable inner film.
7. The oxygen indicating deoxidizer of claim 1, wherein the width of the longitudinal edge sealing region is 0.1 to 10mm, and the width of the transparent region is 0.5 to 10 mm.
8. The oxygen indicator type deoxidizer of claim 1, wherein the body portion is of a three-sealed-edge structure and forms a containing cavity for containing the breathable inner film, the body portion comprises a first transverse sealed edge and a second transverse sealed edge which are parallel to each other, and a first longitudinal sealed edge is arranged on one side of the first transverse sealed edge and the second transverse sealed edge close to the indicator introducing part.
9. The oxygen indicator type deoxidizer of claim 8, wherein the first transverse sealing edge and the second transverse sealing edge have the same width and are 1-20 mm, and the first longitudinal sealing edge has a width of 2-10 mm.
10. A method for producing an oxygen indicating deoxidizer, comprising: the method comprises the steps of stacking a breathable inner film and a perforated outer film at least with the size in the transverse direction larger than that of the breathable inner film in the vertical direction, placing the stacked breathable inner film and perforated outer film on a double-layer packaging machine, adding a deoxidizer into the breathable inner film, carrying out three-edge sealing packaging on the breathable inner film and the perforated outer film together, and carrying out heat sealing on the edge of the perforated outer film after an oxygen indicator is introduced between the redundant sizes of the perforated outer film.
CN202111324844.8A 2021-11-09 2021-11-09 Oxygen indicating type deoxidizer and manufacturing method thereof Pending CN113859742A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111324844.8A CN113859742A (en) 2021-11-09 2021-11-09 Oxygen indicating type deoxidizer and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111324844.8A CN113859742A (en) 2021-11-09 2021-11-09 Oxygen indicating type deoxidizer and manufacturing method thereof

Publications (1)

Publication Number Publication Date
CN113859742A true CN113859742A (en) 2021-12-31

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Application Number Title Priority Date Filing Date
CN202111324844.8A Pending CN113859742A (en) 2021-11-09 2021-11-09 Oxygen indicating type deoxidizer and manufacturing method thereof

Country Status (1)

Country Link
CN (1) CN113859742A (en)

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