CA953473A - Process for stretching film of polymeric material - Google Patents

Process for stretching film of polymeric material

Info

Publication number
CA953473A
CA953473A CA094,561A CA94561A CA953473A CA 953473 A CA953473 A CA 953473A CA 94561 A CA94561 A CA 94561A CA 953473 A CA953473 A CA 953473A
Authority
CA
Canada
Prior art keywords
polymeric material
stretching film
stretching
film
polymeric
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
CA094,561A
Inventor
Tutomu Oko
Tutomu Isaka
Hikoichi Nagano
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.)
Toyobo Co Ltd
Original Assignee
Toyobo 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
Priority claimed from JP5389870A external-priority patent/JPS4910147B1/ja
Priority claimed from JP5538770A external-priority patent/JPS4838776B1/ja
Priority claimed from JP5621970A external-priority patent/JPS4838777B1/ja
Priority claimed from JP5622070A external-priority patent/JPS4838778B1/ja
Application filed by Toyobo Co Ltd filed Critical Toyobo Co Ltd
Application granted granted Critical
Publication of CA953473A publication Critical patent/CA953473A/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
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
    • B29C55/026—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets of preformed plates or sheets coated with a solution, a dispersion or a melt of thermoplastic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
CA094,561A 1970-06-20 1970-10-01 Process for stretching film of polymeric material Expired CA953473A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP5389870A JPS4910147B1 (en) 1970-06-20 1970-06-20
JP5538770A JPS4838776B1 (en) 1970-06-24 1970-06-24
JP5621970A JPS4838777B1 (en) 1970-06-25 1970-06-25
JP5622070A JPS4838778B1 (en) 1970-06-25 1970-06-25

Publications (1)

Publication Number Publication Date
CA953473A true CA953473A (en) 1974-08-27

Family

ID=27462977

Family Applications (1)

Application Number Title Priority Date Filing Date
CA094,561A Expired CA953473A (en) 1970-06-20 1970-10-01 Process for stretching film of polymeric material

Country Status (2)

Country Link
CA (1) CA953473A (en)
DE (1) DE2044865C3 (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD64875A (en) *
US2718666A (en) * 1951-09-24 1955-09-27 Du Pont Process of longitudinally stretching film of organic linear polymeric material
US2767435A (en) * 1952-06-05 1956-10-23 Du Pont Process for longitudinally stretching polymeric film
DE1277553B (en) * 1963-07-09 1968-09-12 Hench Hans Apparatus and method for the continuous longitudinal stretching of synthetic polymer film webs
DE6751805U (en) * 1967-12-06 1969-02-20 Meccaniche Andrea Crespi S R L CUTTING AND STRETCHING DEVICE FOR THERMOPLASTIC PLASTIC STRIPS.
NL6905703A (en) * 1968-04-30 1969-11-03

Also Published As

Publication number Publication date
DE2044865C3 (en) 1981-08-13
DE2044865B2 (en) 1978-09-21
DE2044865A1 (en) 1971-12-30

Similar Documents

Publication Publication Date Title
CA959460A (en) Articles of plastic film
CA963221A (en) Film stretching method and apparatus
AU457937B2 (en) Apparatus for deflashing hollow bodies of plastics material
CA999710A (en) Process of stretching webs of plastic film
CA963218A (en) Apparatus for effecting the opacification treatment of a polymer film
CA975625A (en) Process for producing photographic material
CA1020316A (en) Apparatus for manufacture of film
CA944682A (en) Production of thermoplastic films
CA926071A (en) Process for producing polymeric film
CA953244A (en) Process for film formation
CA953473A (en) Process for stretching film of polymeric material
CA988682A (en) Sulfonation device capable of forming uniform film of feed material
CA1007029A (en) High temperature process for modifying thermoplastic filamentous material
CA980638A (en) Photographic material and process for its production
CA949398A (en) Method for production of photographic material
CA924074A (en) Process for improving uniformity of polymeric film
CA944911A (en) Process for manufacturing biaxially stretched film
CA857783A (en) Apparatus and process for producing thermoplastic film
CA856516A (en) Carrying bag of plastic material and process and apparatus for its manufacture
CA890513A (en) Film stretching process and apparatus
CA848852A (en) Manufacture of films of thermoplastic synthetic materials
AU460177B2 (en) Process for treating surfaces of plastic materials
CA1014398A (en) Photographic process and composition
CA836965A (en) Process and apparatus for dimensional stabilization of thermoplastic film
CA840890A (en) Method of and apparatus for the manufacture of tubes of plastics material