EP4292953A1 - Beutel für mikrowellenofen - Google Patents

Beutel für mikrowellenofen Download PDF

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Publication number
EP4292953A1
EP4292953A1 EP22752695.1A EP22752695A EP4292953A1 EP 4292953 A1 EP4292953 A1 EP 4292953A1 EP 22752695 A EP22752695 A EP 22752695A EP 4292953 A1 EP4292953 A1 EP 4292953A1
Authority
EP
European Patent Office
Prior art keywords
slit
film
sealing portion
steam
pouch
Prior art date
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.)
Pending
Application number
EP22752695.1A
Other languages
English (en)
French (fr)
Inventor
Reina TOKAIRIN
Takashi Miura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyo Seikan Co Ltd
Original Assignee
Toyo Seikan 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 Toyo Seikan Co Ltd filed Critical Toyo Seikan Co Ltd
Publication of EP4292953A1 publication Critical patent/EP4292953A1/de
Pending legal-status Critical Current

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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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
    • B65D81/3446—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package specially adapted to be heated by microwaves
    • B65D81/3461—Flexible containers, e.g. bags, pouches, envelopes
    • 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
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
    • B65D81/3446—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package specially adapted to be heated by microwaves
    • B65D81/3453—Rigid containers, e.g. trays, bottles, boxes, cups
    • 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
    • B65D33/01—Ventilation or drainage of bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package
    • B65D81/3446—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within the package specially adapted to be heated by microwaves
    • 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
    • B65D2205/00—Venting means
    • B65D2205/02—Venting holes
    • 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
    • B65D2581/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D2581/34—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within
    • B65D2581/3437—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents for packaging foodstuffs or other articles intended to be cooked or heated within specially adapted to be heated by microwaves
    • B65D2581/3439—Means for affecting the heating or cooking properties

Definitions

  • the present invention relates to a microwavable pouch that is provided with an automatic steam venting mechanism that automatically releases internal steam during heating.
  • Packaged food products have been marketed in which cooked or semi-cooked food is contained in a pouch formed into a bag shape by thermally bonding films that overlap each other, and the food is then cooked in a microwave oven before eating.
  • a microwavable pouch is generally provided with an automatic steam venting mechanism that automatically releases internal steam during heating (see, for example, Patent Document 1).
  • an automatic steam venting mechanism as illustrated in FIG. 10 , there has been known one including a steam venting sealing portion 130 that is formed by heat-welding overlapped films 111 and 112 and isolates a steam releasing portion 140 inside thereof from a content containing portion 114, and a slit 150 that is formed through the first film 111 in the steam releasing portion 140.
  • an automatic steam venting mechanism 120 illustrated in FIG. 10 when the pressure in the content containing portion 114 increases due to heating by the microwave oven, a part of the steam venting sealing portion 130 is peeled off, the content containing portion 114 and the steam releasing portion 140 communicate with each other, and the steam in the content containing portion 114 is emitted to the outside through the slit 150.
  • Patent Document 1 JP 2003-192042 A
  • the automatic steam venting mechanism 120 illustrated in FIG. 10 may have an opening having an insufficient size in the slit 150 depending on the degree of expansion of the pouch during heating.
  • the opening in the slit 150 is small, a sufficient emitting amount of steam cannot be secured, and thus the expanded state of the pouch by the steam is maintained for a long time. This may cause a perforation phenomenon to occur in the pouch due to thermal damage to the inner surface material of the pouch or the like.
  • a microwavable pouch comprising an automatic steam venting mechanism
  • the automatic steam venting mechanism has an unsealed portion formed to cover an entire periphery of the slit and a control sealing portion in which a part of the flap piece formed in the first film is heat-welded to the second film.
  • the unsealed portion is formed to cover the entire periphery of the slit, the first and second films can be reliably separated from each other by an increase in the internal pressure of the pouch on the side closer to the seal peeling start portion than the slit.
  • a microwavable pouch 10 according to the first embodiment of the present invention will be described below with reference to the drawings.
  • the pouch 10 is formed into a bag shape by forming a bag-making sealing portion 13 produced by thermally bonding overlapped first and second films 11 and 12 (and a gusset portion film) at predetermined positions, and a content such as food is contained in a content containing portion 14 inside the bag-making sealing portion 13.
  • the first and second films 11 and 12 continuously formed as a single film are folded in half at the top portion of the pouch 10.
  • a gusset portion film (not illustrated) is disposed between the first and second films 11 and 12 at the bottom portion of the pouch 10.
  • the first and second films 11 and 12 or the first and second films 11 and 12 and the gusset portion film are heat-welded on both side portions and the bottom portion of the pouch 10 to form the bag-making sealing portion 13 (side sealing portions 13a and 13b, bottom sealing portion 13c), whereby the pouch 10 is configured as a so-called standing pouch formed into a bag shape.
  • the side sealing portions 13a and 13b are formed with notches 15 for opening the pouch 10 at two positions including a position above a steam venting sealing portion 30 described later and a position opposite thereto.
  • the pouch 10 is provided with an automatic steam venting mechanism 20 for automatically releasing steam in the pouch 10 to the outside during heating.
  • the automatic steam venting mechanism 20 includes: the steam venting sealing portion 30 formed by heat-welding the overlapped first and second films 11 and 12 to isolate a steam releasing portion 40 in the automatic steam venting mechanism 20 from the content containing portion 14; a slit 50 formed in the first film 11 in the steam releasing portion 40; and a flap piece 60 formed in the first film 11 and defined by the slit 50.
  • the steam venting sealing portion 30 is formed continuously with the bag-making sealing portion 13 (the side sealing portion 13a) inside the bag-making sealing portion 13.
  • the steam venting sealing portion 30 has a seal peeling start portion 31 that starts peeling (so that the outer peripheral side and the inner peripheral side of the steam venting sealing portion 30 communicate) by the steam generated in the content containing portion 14 during heating in the microwave oven.
  • the seal peeling start portion 31 is a portion of the annular steam venting sealing portion 30 that is closest to the center C of the content containing portion 14.
  • the steam releasing portion 40 is a portion isolated from the content containing portion 14 by forming the steam venting sealing portion 30, and in the present embodiment, the periphery of the steam releasing portion 40 is surrounded by the steam venting sealing portion 30 and (the side sealing portion 13a of) the bag-making sealing portion 13.
  • the slit 50 is formed through the first film 11 in the film thickness direction, and includes a pair of slit end portions 51 and a substantially arc-shaped (substantially C-shaped or substantially U-shaped) slit intermediate portion 52 formed toward a region closer to the seal peeling start portion 31 than the pair of slit end portions 51 (a side closer to the seal peeling start portion 31 than an imaginary line passing through the pair of slit end portions 51) and connecting both of the pair of slit end portions 51.
  • the positions of the pair of slit end portions 51 are determined such that the imaginary line connecting both of the pair of slit end portions 51 extends along the longitudinal direction (vertical direction in FIG. 1 ) of the microwavable pouch 10 (parallel to the side sealing portion 13a).
  • the second film 12 is not formed with a slit in the steam releasing portion 40.
  • the flap piece 60 is a portion that is partially separated from the peripheral portion of the first film 11 in the steam releasing portion 40 by forming the slit 50.
  • the flap piece 60 has a connection portion 61 connected to the peripheral portion of the first film 11 at a position far from the seal peeling start portion 31 in the outer peripheral edge of the flap piece 60.
  • the automatic steam venting mechanism 20 further includes an unsealed portion 41 formed so as to cover the entire periphery of the slit 50 in the steam releasing portion 40, and a control sealing portion 70 formed by heat-welding a part of the flap piece 60 formed in the first film 11 to the second film 12.
  • the unsealed portion 41 is a portion where the overlapped first and second films 11 and 12 are not welded, and is formed so as to entirely cover the entire periphery of the slit 50 in the pouch plane direction when the microwavable pouch 10 is viewed in a plan view as illustrated in FIG. 2 .
  • the unsealed portion 41 is formed over the entire region of the steam releasing portion 40 except for the location where the control sealing portion 70 is formed.
  • the control sealing portion 70 is a portion formed by welding the overlapped first and second films 11 and 12. As illustrated in FIG. 2 , the control sealing portion 70 is formed continuously with the bag-making sealing portion 13 (side sealing portion 13a) so as to protrude laterally from the bag-making sealing portion 13 (side sealing portion 13a) toward the inside of the pouch, and a part of the flap piece 60 is heat-welded to the second film 12 at a part (distal end portion) of the control sealing portion 70.
  • a distance ⁇ between a location of the slit 50 that is located innermost of the pouch (apex location) in the above-described direction and the control sealing portion 70 is preferably 4 mm or less, and more preferably 3 mm or less, from the viewpoint of satisfactorily exhibiting the effect of the control sealing portion 70 (that is, the effect of preventing the first and second films 11 and 12 from separating from each other by the control sealing portion 70 and reliably ensuring a large opening in the slit 50).
  • the distance ⁇ between a location of the slit 50 that is located innermost of the pouch (apex location) in the above-described direction and the steam venting sealing portion 30 is preferably 4 mm or less, and more preferably 3 mm or less, from the viewpoint of, when the steam venting sealing portion 30 is peeled off during pouch heating, preventing the passage of steam formed between the peeled location of the steam venting sealing portion 30 and the slit 50 from being clogged again and releasing the steam well.
  • a distance ⁇ between the pair of slit end portions 51 is preferably set to 5 mm or more, and more preferably set to from 7 to 10 mm or less from the viewpoint of ensuring a large opening in the slit 50 during pouch heating.
  • the internal pressure of the pouch 10 increases due to steam generated from the content such as food or the like and thermal expansion of internal air, and a force is applied radially from the center C (see FIG. 1 ) of the content containing portion 14.
  • the steam venting sealing portion 30 starts peeling from the vicinity of a location (seal peeling start portion 31) close to the center C of the content containing portion 14 by the force spreading radially, and the peeling of the steam venting sealing portion 30 progresses in a direction away from the center C of the content containing portion 14.
  • the peeling of the steam venting sealing portion 30 progresses, the peeling of the unsealed portion 41 of the steam releasing portion 40 also progresses in a direction away from the center C of the content containing portion 14.
  • the first and second films 11 and 12 are in close contact with each other before the start of peeling of the steam venting sealing portion 30, but after the start of peeling of the steam venting sealing portion 30, peeling proceeds in a direction away from the center C of the content containing portion 14 due to the above-described force spreading radially.
  • the first and second films 11 and 12 tend to separate from each other due to the internal pressure of the pouch 10 on the side closer to the seal peeling start portion 31 than the slit 50 (region A illustrated in FIG. 4 ), whereas the first and second films 11 and 12 are prevented from separating from each other by the control sealing portion 70 in the region where the flap piece 60 is formed on the side farther from the seal peeling start portion 31 than the slit 50 (region B illustrated in FIG. 4 ). Therefore, with the slit 50 as a boundary, the first film 11 in the region A and the first film 11 in the region B are greatly separated in the front and back direction of the pouch. As a result, as illustrated in FIG.
  • the internal pressure of the pouch after the pouch is heated in a microwave oven and steam starts to be released from the pouch can be maintained at a low internal pressure of 1.10 kgf/cm 2 or less, and there is no risk of bag breakage.
  • FIG. 7 shows an example in which a pouch not formed with the control sealing portion 70 as illustrated in FIG. 10 is heated and an opening having a sufficient size cannot be ensured in the slit 150.
  • the emitting amount of steam cannot be sufficiently ensured.
  • the internal pressure of the pouch after releasing steam tends to be higher than 1.10 kgf/cm 2 or less, and the risk of bag breakage increases.
  • the unsealed portion 41 is formed so as to cover the entire periphery of the slit 50, the first and second films 11 and 12 can be reliably separated from each other on the side closer to the seal peeling start portion 31 than the slit 50 (region A illustrated in FIG. 4 ).
  • a microwavable pouch 10 according to a second embodiment of the present invention will be described with reference to FIG. 8 .
  • the configuration is the same as that of the first embodiment described above, and thus, a description will be omitted of the configuration apart from the points of difference.
  • FIG. 8(a) is an explanatory view illustrating the pouch 10 according to the second embodiment when viewed from a first film 11 side
  • FIG. 8(b) is an explanatory view illustrating the pouch 10 when viewed from a second film 12 side opposite to FIG. 8(a) .
  • the slit 50 has been described as being formed only in the first film 11 and no slit is formed in the second film 12 in the steam releasing portion 40. While, in the second embodiment, as illustrated in FIG. 8 , a slit (second slit 53) is also formed in a second film 12 in a steam releasing portion 40.
  • the second film 12 is formed with the second slit 53 formed in the same shape and at the same position as the slit 50 formed in a first film 11 so as to completely overlap the slit 50 formed in the first film 11 in the front and back direction.
  • the second slit 53 formed in the second film 12 is formed so as to pass through the second film 12 in the film thickness direction, and as illustrated in FIG. 8(b) , includes a pair of slit end portions 54 and a substantially arc-shaped (substantially C-shaped or substantially U-shaped) slit intermediate portion 55 formed toward a region closer to a seal peeling start portion 31 than the pair of slit end portions 54 to connect both of the pair of slit end portions 54.
  • a second flap piece 62 is formed in the second film 12 in the same manner as the flap piece 60 formed in the first film 11.
  • the second flap piece 62 is a portion partially separated from the peripheral portion of the second film 12 in the steam releasing portion 40 by the formation of the second slit 53, and has a connection portion 63 connected to the peripheral portion of the second film 12 at a position far from the seal peeling start portion 31 in the outer peripheral edge of the second flap piece.
  • a part of the flap piece 60 formed in the first film 11 is heat-welded to a part of the second flap piece 62 formed in the second film 12 by a control sealing portion 70.
  • the pouch 10 according to the second embodiment produced as described above since a slit is also formed in the second film 12 as the second slit 53, even when steam cannot be ejected only from the slit 50 formed in the first film 11, for example, when the pouch 10 is placed in a microwave oven with the first film 11 side down, steam can be emitted from the second slit 53 formed in the second film 12, thereby improving the reliability of steam emitting.
  • the slits 50 and 53 can be formed at a time after the steam venting sealing portion 30 is formed by welding the first film 11 and the second film 12, and thus the slits 50 and 53 can be reliably disposed at a predetermined position in the steam venting sealing portion 30.
  • the pouch 10 may be configured by any combination of configurations of the above-described plurality of embodiments and variations.
  • the films constituting the pouch 10 may be formed by laminating synthetic resin films such as polyester, polypropylene, polyamide, or known synthetic resin films such as a coating film or a steam-deposited film produced by imparting gas barrier properties or moisture barrier properties to the synthetic resin films, or laminating paper or aluminum foil on the synthetic resin film.
  • synthetic resin films such as polyester, polypropylene, polyamide, or known synthetic resin films such as a coating film or a steam-deposited film produced by imparting gas barrier properties or moisture barrier properties to the synthetic resin films, or laminating paper or aluminum foil on the synthetic resin film.
  • the pouch 10 is formed as a so-called standing pouch in the above-described embodiment, specifically, the pouch 10 may be formed in any form such as a pouch in which a gusset film is not disposed between the first and second films 11 and 12 as long as the pouch 10 includes the first and second films 11 and 12 disposed to overlap each other.
  • first and second films 11 and 12 have been described as being integrally formed as one film in the above-described embodiment, the first and second films 11 and 12 may be formed separately.
  • the content of the pouch 10 has been described as being food in the above-described embodiment, specifically, the content is not limited to food.
  • the steam venting sealing portion 30 has been described as being formed continuously with (the side sealing portion 13a of) the bag-making sealing portion 13.
  • a specific aspect of the steam venting sealing portion 30 is not limited to the above, and the steam venting sealing portion 30 may be independently formed inside the bag-making sealing portion 13 as illustrated in FIG. 9(a) .
  • the position of the seal peeling start portion 31 that starts peeling by the steam generated in the content containing portion 14 during microwave heating may be adjusted by providing peeling resistance (resistance performance against communication between the outer peripheral side and the inner peripheral side of the steam venting sealing portion 30 due to the progress of peeling) having different strength to each portion of the steam venting sealing portion 30 by forming a strong sealing portion and a weak sealing portion, or the like in the steam venting sealing portion 30.
  • control sealing portion 70 has been described as being formed continuously with the bag-making sealing portion 13 in the above-described embodiment, a specific aspect of the control sealing portion 70 is not limited to the above. As illustrated in FIG. 9(b) , the control sealing portion 70 may be formed as a point seal for heat-welding a part of the flap piece 60 to the second film 12 at a position independent from the bag-making sealing portion 13.
  • the slit intermediate portion 52 of the slit 50 has been described as being formed in a substantially arc shape (substantially C shape or substantially U shape).
  • the slit intermediate portion 52 may be formed in any shape as long as it is formed from the pair of slit end portions 51 toward a region closer to the seal peeling start portion 31 and connects both of the pair of slit end portions 51.
  • the intermediate slit portion 52 may be formed of a plurality of straight lines or curved lines, such as a V-shape or a U-shape.
  • the slit 50 has been described as being a linear cut (a cut having no width).
  • a specific aspect of the slit 50 is not limited thereto, and the slit 50 may be formed to have a predetermined width (a width in a direction orthogonal to the extending direction of the slit 50).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Package Specialized In Special Use (AREA)
  • Bag Frames (AREA)
EP22752695.1A 2021-02-10 2022-02-04 Beutel für mikrowellenofen Pending EP4292953A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021019752 2021-02-10
PCT/JP2022/004434 WO2022172871A1 (ja) 2021-02-10 2022-02-04 電子レンジ用パウチ

Publications (1)

Publication Number Publication Date
EP4292953A1 true EP4292953A1 (de) 2023-12-20

Family

ID=82837562

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22752695.1A Pending EP4292953A1 (de) 2021-02-10 2022-02-04 Beutel für mikrowellenofen

Country Status (6)

Country Link
US (1) US20230391536A1 (de)
EP (1) EP4292953A1 (de)
JP (2) JP7164768B1 (de)
KR (1) KR20230118650A (de)
CN (1) CN116710369A (de)
WO (1) WO2022172871A1 (de)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3675399B2 (ja) 2001-12-21 2005-07-27 東洋製罐株式会社 電子レンジ用包装袋及び該電子レンジ用包装袋に内容物を充填した包装体の製造方法
JP4713091B2 (ja) * 2004-04-20 2011-06-29 大日本印刷株式会社 電子レンジ加熱用包装袋
JP2007131302A (ja) * 2005-11-08 2007-05-31 Dainippon Printing Co Ltd 電子レンジ用包装袋
JP6558115B2 (ja) * 2015-07-16 2019-08-14 キョーラク株式会社 電子レンジ用包装袋
JP6245490B1 (ja) * 2016-06-02 2017-12-13 東洋製罐株式会社 電子レンジ用パウチ
JP6820465B2 (ja) * 2016-06-02 2021-01-27 東洋製罐株式会社 電子レンジ用パウチ
JP6578329B2 (ja) * 2017-08-09 2019-09-18 株式会社熊谷 電子レンジ加熱用包装体の製造方法
JP2020055628A (ja) * 2018-09-28 2020-04-09 大日本印刷株式会社 パウチ

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Publication number Publication date
JP2022179809A (ja) 2022-12-02
JP7164768B1 (ja) 2022-11-01
KR20230118650A (ko) 2023-08-11
CN116710369A (zh) 2023-09-05
WO2022172871A1 (ja) 2022-08-18
JPWO2022172871A1 (de) 2022-08-18
US20230391536A1 (en) 2023-12-07

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