JPS55133928A - Method for correcting curl of laminate film - Google Patents
Method for correcting curl of laminate filmInfo
- Publication number
- JPS55133928A JPS55133928A JP4171379A JP4171379A JPS55133928A JP S55133928 A JPS55133928 A JP S55133928A JP 4171379 A JP4171379 A JP 4171379A JP 4171379 A JP4171379 A JP 4171379A JP S55133928 A JPS55133928 A JP S55133928A
- Authority
- JP
- Japan
- Prior art keywords
- film
- stretching
- laminate film
- sealant
- uniaxial
- 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.)
- Granted
Links
Landscapes
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
PURPOSE:To simply correct a curling tendency with a sealant turning toward the inside, by a method wherein a load is reduced after a laminate film consisting of a base film and the sealant is deformed by stretching in a uniaxial or a biaxial direction. CONSTITUTION:A laminate film, which is formed such that a sealant, such as PE, ethylene-vinyl acetate copolymer, is laminated on a base film, such as cellophane, PP biaxial-stretched film, is fed to a roll stretching device. After the film is deformd by stretching in a uniaxial or biaxial direction, it is backed to the original state by reducing the stretching load.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4171379A JPS55133928A (en) | 1979-04-05 | 1979-04-05 | Method for correcting curl of laminate film |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4171379A JPS55133928A (en) | 1979-04-05 | 1979-04-05 | Method for correcting curl of laminate film |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55133928A true JPS55133928A (en) | 1980-10-18 |
JPS6230895B2 JPS6230895B2 (en) | 1987-07-06 |
Family
ID=12616056
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4171379A Granted JPS55133928A (en) | 1979-04-05 | 1979-04-05 | Method for correcting curl of laminate film |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55133928A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5849216A (en) * | 1981-09-17 | 1983-03-23 | Dainippon Printing Co Ltd | Method of correcting curl of metal-deposited tape |
JPS60228124A (en) * | 1984-04-26 | 1985-11-13 | Unitika Ltd | Manufacture of laminated and oriented film |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6412589U (en) * | 1987-07-10 | 1989-01-23 | ||
JPH0542863Y2 (en) * | 1988-02-26 | 1993-10-28 |
-
1979
- 1979-04-05 JP JP4171379A patent/JPS55133928A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5849216A (en) * | 1981-09-17 | 1983-03-23 | Dainippon Printing Co Ltd | Method of correcting curl of metal-deposited tape |
JPS60228124A (en) * | 1984-04-26 | 1985-11-13 | Unitika Ltd | Manufacture of laminated and oriented film |
Also Published As
Publication number | Publication date |
---|---|
JPS6230895B2 (en) | 1987-07-06 |
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