CA944911A - Process for manufacturing biaxially stretched film - Google Patents

Process for manufacturing biaxially stretched film

Info

Publication number
CA944911A
CA944911A CA109,087A CA109087A CA944911A CA 944911 A CA944911 A CA 944911A CA 109087 A CA109087 A CA 109087A CA 944911 A CA944911 A CA 944911A
Authority
CA
Canada
Prior art keywords
stretched film
biaxially stretched
manufacturing biaxially
manufacturing
film
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
CA109,087A
Other versions
CA109087S (en
Inventor
Osamu Uemura
Wasuke Sato
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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 Showa Denko KK filed Critical Showa Denko KK
Application granted granted Critical
Publication of CA944911A publication Critical patent/CA944911A/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
    • B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
CA109,087A 1970-04-03 1971-03-30 Process for manufacturing biaxially stretched film Expired CA944911A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2786470A JPS5018514B1 (en) 1970-04-03 1970-04-03

Publications (1)

Publication Number Publication Date
CA944911A true CA944911A (en) 1974-04-09

Family

ID=12232757

Family Applications (1)

Application Number Title Priority Date Filing Date
CA109,087A Expired CA944911A (en) 1970-04-03 1971-03-30 Process for manufacturing biaxially stretched film

Country Status (5)

Country Link
JP (1) JPS5018514B1 (en)
CA (1) CA944911A (en)
DE (1) DE2116061C3 (en)
FR (1) FR2085837B1 (en)
GB (1) GB1290275A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5586718A (en) * 1978-12-25 1980-06-30 Chisso Eng Kk Manufacturing device for tubular biaxial stretching film
US4659534A (en) * 1983-10-24 1987-04-21 Teijin Limited Production of thin-walled cylindrical body of aromatic polyester

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL260970A (en) * 1960-02-08 1900-01-01
NL281373A (en) * 1961-07-28
GB1092948A (en) * 1963-12-21 1967-11-29 Seikisui Chemical Co Ltd Improvements in the stretching of tubular film
GB1107354A (en) * 1965-05-04 1968-03-27 Bakelite Xylonite Ltd Improvements in and relating to biaxially oriented film
CH470955A (en) * 1968-03-01 1969-04-15 Lonza Ag Process for the production of biaxially oriented tubular films
GB1282062A (en) * 1969-03-08 1972-07-19 Showa Denko Kk A method and apparatus for manufacturing a biaxially oriented cylindrical film

Also Published As

Publication number Publication date
FR2085837B1 (en) 1974-02-15
JPS5018514B1 (en) 1975-06-30
DE2116061C3 (en) 1982-01-14
FR2085837A1 (en) 1971-12-31
DE2116061A1 (en) 1971-10-21
GB1290275A (en) 1972-09-27
DE2116061B2 (en) 1981-05-07

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