JPS54137077A - Packaging material and its manufacturing - Google Patents
Packaging material and its manufacturingInfo
- Publication number
- JPS54137077A JPS54137077A JP4419578A JP4419578A JPS54137077A JP S54137077 A JPS54137077 A JP S54137077A JP 4419578 A JP4419578 A JP 4419578A JP 4419578 A JP4419578 A JP 4419578A JP S54137077 A JPS54137077 A JP S54137077A
- Authority
- JP
- Japan
- Prior art keywords
- resin layer
- layer
- tearable
- pressing
- heat
- 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
Links
Landscapes
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Wrappers (AREA)
Abstract
PURPOSE: To manufacture an easily tearable packaging film without using an expensive mold, by applying a thermoplastic resin layer to a tearable, heat-resistant substrate, and pressing the resin with a hot edge thereby forming a linear groove to the resin layer.
CONSTITUTION: A thermoplastic resin layer 2 (e.g. polyethylene layer) is applied to a tearable, heat-resistant substrate 1 (e.g. paper, Al foil, plastic film, etc.). By pressing the resin layer 2 with a hot edge 18, the layer is partly embossed or the resin is partly removed, and the objective material having a linear surface groove 3 is obtained.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4419578A JPS54137077A (en) | 1978-04-17 | 1978-04-17 | Packaging material and its manufacturing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4419578A JPS54137077A (en) | 1978-04-17 | 1978-04-17 | Packaging material and its manufacturing |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54137077A true JPS54137077A (en) | 1979-10-24 |
Family
ID=12684785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4419578A Pending JPS54137077A (en) | 1978-04-17 | 1978-04-17 | Packaging material and its manufacturing |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54137077A (en) |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4386925A (en) * | 1978-10-11 | 1983-06-07 | Focke & Co. | Apparatus for producing a tear line in the multi-layered foil of a cigarette pack |
JPS63190072U (en) * | 1987-05-26 | 1988-12-07 | ||
JPS6442271U (en) * | 1987-09-08 | 1989-03-14 | ||
JPH01128823A (en) * | 1987-11-13 | 1989-05-22 | Shin Etsu Polymer Co Ltd | Method for making fold line on laminated sheet |
GB2257943A (en) * | 1991-06-25 | 1993-01-27 | Toyo Seikan Kaisha Ltd | Laminated film bag for packing food |
JPH07863U (en) * | 1994-03-18 | 1995-01-06 | 株式会社細川洋行 | Laminated film for packaging bag |
JPH079764U (en) * | 1994-03-18 | 1995-02-10 | 株式会社細川洋行 | Tubular packaging bag |
US5470016A (en) * | 1994-04-15 | 1995-11-28 | Ljungstroem; Tommy B. G. | Reducible volume containers |
WO1997011001A1 (en) * | 1995-09-19 | 1997-03-27 | Tetra Laval Holdings & Finance S.A. | Reducible volume containers |
JPH09104471A (en) * | 1996-11-21 | 1997-04-22 | Hosokawa Yoko:Kk | Cylindrical packaging bag |
CN111844587A (en) * | 2020-06-09 | 2020-10-30 | 安徽巢湖南方膜业有限责任公司 | Production process of environment-friendly food packaging film |
-
1978
- 1978-04-17 JP JP4419578A patent/JPS54137077A/en active Pending
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4386925A (en) * | 1978-10-11 | 1983-06-07 | Focke & Co. | Apparatus for producing a tear line in the multi-layered foil of a cigarette pack |
JPS63190072U (en) * | 1987-05-26 | 1988-12-07 | ||
JPS6442271U (en) * | 1987-09-08 | 1989-03-14 | ||
JPH01128823A (en) * | 1987-11-13 | 1989-05-22 | Shin Etsu Polymer Co Ltd | Method for making fold line on laminated sheet |
GB2257943B (en) * | 1991-06-25 | 1995-08-23 | Toyo Seikan Kaisha Ltd | Laminated film bag for packaging food |
GB2257943A (en) * | 1991-06-25 | 1993-01-27 | Toyo Seikan Kaisha Ltd | Laminated film bag for packing food |
US5312659A (en) * | 1991-06-25 | 1994-05-17 | Toyo Seikan Kaisha Ltd. | Laminated film bag for packaging food |
JPH07863U (en) * | 1994-03-18 | 1995-01-06 | 株式会社細川洋行 | Laminated film for packaging bag |
JPH079764U (en) * | 1994-03-18 | 1995-02-10 | 株式会社細川洋行 | Tubular packaging bag |
US5470016A (en) * | 1994-04-15 | 1995-11-28 | Ljungstroem; Tommy B. G. | Reducible volume containers |
US5704539A (en) * | 1994-04-15 | 1998-01-06 | Tetra Laval Holdings & Finance S.A. | Reducible volume containers |
WO1997011001A1 (en) * | 1995-09-19 | 1997-03-27 | Tetra Laval Holdings & Finance S.A. | Reducible volume containers |
JPH09104471A (en) * | 1996-11-21 | 1997-04-22 | Hosokawa Yoko:Kk | Cylindrical packaging bag |
CN111844587A (en) * | 2020-06-09 | 2020-10-30 | 安徽巢湖南方膜业有限责任公司 | Production process of environment-friendly food packaging film |
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