CA1019515A - Method and apparatus for stretching a thermo-softening high molecular film - Google Patents

Method and apparatus for stretching a thermo-softening high molecular film

Info

Publication number
CA1019515A
CA1019515A CA187,211A CA187211A CA1019515A CA 1019515 A CA1019515 A CA 1019515A CA 187211 A CA187211 A CA 187211A CA 1019515 A CA1019515 A CA 1019515A
Authority
CA
Canada
Prior art keywords
thermo
stretching
high molecular
molecular film
softening high
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
CA187,211A
Other versions
CA187211S (en
Inventor
Takashi Suzuki
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 JP12274172A external-priority patent/JPS557372B2/ja
Priority claimed from JP12088473A external-priority patent/JPS5071773A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of CA1019515A publication Critical patent/CA1019515A/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
    • B29C55/18—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets by squeezing between surfaces, e.g. rollers
    • 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
    • B29C55/065—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 in several stretching steps
    • 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
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
CA187,211A 1972-12-06 1973-12-03 Method and apparatus for stretching a thermo-softening high molecular film Expired CA1019515A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12274172A JPS557372B2 (en) 1972-12-06 1972-12-06
JP12088473A JPS5071773A (en) 1973-10-26 1973-10-26

Publications (1)

Publication Number Publication Date
CA1019515A true CA1019515A (en) 1977-10-25

Family

ID=26458382

Family Applications (1)

Application Number Title Priority Date Filing Date
CA187,211A Expired CA1019515A (en) 1972-12-06 1973-12-03 Method and apparatus for stretching a thermo-softening high molecular film

Country Status (3)

Country Link
CA (1) CA1019515A (en)
FR (1) FR2209655B1 (en)
GB (1) GB1453604A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8424062D0 (en) * 1984-09-24 1984-10-31 Mackley M R Oriented polymer films
CN102241142A (en) * 2011-05-16 2011-11-16 中材科技股份有限公司 Method for producing lithium battery diaphragm and transverse stretcher

Also Published As

Publication number Publication date
DE2360556B2 (en) 1976-12-02
FR2209655A1 (en) 1974-07-05
DE2360556A1 (en) 1974-06-27
FR2209655B1 (en) 1976-10-08
GB1453604A (en) 1976-10-27

Similar Documents

Publication Publication Date Title
CA1000466A (en) Method and apparatus for slitting a film
AU476369B2 (en) Method and apparatus for packaging
CA981088A (en) Process and apparatus for setting a reproduction camera
CA963221A (en) Film stretching method and apparatus
CA989784A (en) Packaging apparatus and method
AU503307B2 (en) Process and apparatus for stretching polymeric films
CA1021120A (en) Process and apparatus for producing polymeric film
CA1019515A (en) Method and apparatus for stretching a thermo-softening high molecular film
CA981228A (en) Vacuum packaging method and apparatus
CA999705A (en) Method and apparatus for manufacturing tubular film from thermoplastic resin
CA1017107A (en) Method of and apparatus for making polymeric film
CA939479A (en) Method of and apparatus for stretching polymeric film
CA890513A (en) Film stretching process and apparatus
CA904512A (en) Method and apparatus for producing plastic film
CA878028A (en) Method and apparatus for embossing polymeric films
AU431673B2 (en) Method and apparatus for embossing polymeric films
CA818309A (en) Film stretching apparatus and method
AU3190568A (en) Method and apparatus for embossing polymeric films
CA897920A (en) Process and apparatus for producing multilaminate thermoplastic film
AU456416B2 (en) Photographic apparatus and method
CA894036A (en) Method and apparatus for shrinkfilm wrapping a pallet-load
CA829788A (en) Apparatus for biaxial stretching of a polymeric sheet
CA907918A (en) Photographic film and paper processing apparatus and method
AU457972B2 (en) Method and apparatus for producing plastic film
CA898574A (en) Photographic apparatus and process