GB1457940A - Thermally relaxing thermoplastic films - Google Patents

Thermally relaxing thermoplastic films

Info

Publication number
GB1457940A
GB1457940A GB4439074A GB4439074A GB1457940A GB 1457940 A GB1457940 A GB 1457940A GB 4439074 A GB4439074 A GB 4439074A GB 4439074 A GB4439074 A GB 4439074A GB 1457940 A GB1457940 A GB 1457940A
Authority
GB
United Kingdom
Prior art keywords
film
heated
relaxing
heat
relaxation
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.)
Expired
Application number
GB4439074A
Other languages
English (en)
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB4439074A priority Critical patent/GB1457940A/en
Priority to DE19752544089 priority patent/DE2544089A1/de
Priority to FR7531076A priority patent/FR2287983A1/fr
Priority to NL7512002A priority patent/NL7512002A/xx
Priority to JP12373375A priority patent/JPS5164571A/ja
Priority to BE160935A priority patent/BE834506A/xx
Publication of GB1457940A publication Critical patent/GB1457940A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
GB4439074A 1974-10-14 1974-10-14 Thermally relaxing thermoplastic films Expired GB1457940A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB4439074A GB1457940A (en) 1974-10-14 1974-10-14 Thermally relaxing thermoplastic films
DE19752544089 DE2544089A1 (de) 1974-10-14 1975-10-02 Verfahren und vorrichtung zur thermischen relaxation von thermoplastischen folien
FR7531076A FR2287983A1 (fr) 1974-10-14 1975-10-10 Relaxation thermique de pellicules thermoplastiques
NL7512002A NL7512002A (nl) 1974-10-14 1975-10-13 Werkwijze voor het thermisch relaxeren van een georienteerde, warmtegezette thermoplastische film en voorwerpen, vervaardigd van deze film.
JP12373375A JPS5164571A (ja) 1974-10-14 1975-10-14 Netsukasoseifuirumunonetsushikanho
BE160935A BE834506A (fr) 1974-10-14 1975-10-14 Relaxation thermique de pellicules thermoplastiques

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4439074A GB1457940A (en) 1974-10-14 1974-10-14 Thermally relaxing thermoplastic films

Publications (1)

Publication Number Publication Date
GB1457940A true GB1457940A (en) 1976-12-08

Family

ID=10433068

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4439074A Expired GB1457940A (en) 1974-10-14 1974-10-14 Thermally relaxing thermoplastic films

Country Status (6)

Country Link
JP (1) JPS5164571A (enExample)
BE (1) BE834506A (enExample)
DE (1) DE2544089A1 (enExample)
FR (1) FR2287983A1 (enExample)
GB (1) GB1457940A (enExample)
NL (1) NL7512002A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0000241A1 (en) * 1977-06-23 1979-01-10 Imperial Chemical Industries Plc Process and apparatus for coating a web
US4428720A (en) 1980-04-22 1984-01-31 Signode Corporation Apparatus for producing polypropylene sheet
EP0107819A1 (en) * 1982-10-05 1984-05-09 E.I. Du Pont De Nemours And Company Method for making balanced low shrink tension polyolefin film
US4495124A (en) * 1980-04-22 1985-01-22 Signode Corporation Method for producing polypropylene sheet

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2055855A (en) 1979-08-07 1981-03-11 Ici Ltd Heat-treating polyolefin films
ZA81466B (en) * 1980-04-22 1982-02-24 Signode Corp Method and apparatus for fabricating,surface treating and cutting thermoplastic polymer sheet
DE3714101A1 (de) * 1987-04-28 1988-11-17 Gerhard Klemm Verfahren und vorrichtung zum schrumpfen von warenbahnen
US8623091B2 (en) 2010-06-29 2014-01-07 DePuy Synthes Products, LLC Distractible intervertebral implant

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0000241A1 (en) * 1977-06-23 1979-01-10 Imperial Chemical Industries Plc Process and apparatus for coating a web
US4267215A (en) 1977-06-23 1981-05-12 Imperial Chemical Industries Limited Process for coating a web using reverse applicator roll
US4428720A (en) 1980-04-22 1984-01-31 Signode Corporation Apparatus for producing polypropylene sheet
US4495124A (en) * 1980-04-22 1985-01-22 Signode Corporation Method for producing polypropylene sheet
EP0107819A1 (en) * 1982-10-05 1984-05-09 E.I. Du Pont De Nemours And Company Method for making balanced low shrink tension polyolefin film

Also Published As

Publication number Publication date
FR2287983A1 (fr) 1976-05-14
FR2287983B1 (enExample) 1978-04-07
DE2544089A1 (de) 1976-04-22
NL7512002A (nl) 1976-04-20
JPS5164571A (ja) 1976-06-04
BE834506A (fr) 1976-04-14

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee