JPS55133928A - Method for correcting curl of laminate film - Google Patents

Method for correcting curl of laminate film

Info

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
Application number
JP4171379A
Other languages
Japanese (ja)
Other versions
JPS6230895B2 (en
Inventor
Junkichi Watanabe
Satoru Shimizu
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.)
Unitika Ltd
Original Assignee
Unitika 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 Unitika Ltd filed Critical Unitika Ltd
Priority to JP4171379A priority Critical patent/JPS55133928A/en
Publication of JPS55133928A publication Critical patent/JPS55133928A/en
Publication of JPS6230895B2 publication Critical patent/JPS6230895B2/ja
Granted legal-status Critical Current

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.
JP4171379A 1979-04-05 1979-04-05 Method for correcting curl of laminate film Granted JPS55133928A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6412589U (en) * 1987-07-10 1989-01-23
JPH0542863Y2 (en) * 1988-02-26 1993-10-28

Cited By (2)

* Cited by examiner, † Cited by third party
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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