JPS5595533A - Manufacture and its device of low spreading rate pipe type biaxial spread film - Google Patents

Manufacture and its device of low spreading rate pipe type biaxial spread film

Info

Publication number
JPS5595533A
JPS5595533A JP289679A JP289679A JPS5595533A JP S5595533 A JPS5595533 A JP S5595533A JP 289679 A JP289679 A JP 289679A JP 289679 A JP289679 A JP 289679A JP S5595533 A JPS5595533 A JP S5595533A
Authority
JP
Japan
Prior art keywords
film
extension
spreading rate
circumferencial direction
longitudinal direction
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
JP289679A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6236858B2 (enrdf_load_stackoverflow
Inventor
Katsumi Okuyama
Hiroyasu Mizutani
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Petrochemical 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
Application filed by Mitsubishi Petrochemical Co Ltd filed Critical Mitsubishi Petrochemical Co Ltd
Priority to JP289679A priority Critical patent/JPS5595533A/ja
Publication of JPS5595533A publication Critical patent/JPS5595533A/ja
Publication of JPS6236858B2 publication Critical patent/JPS6236858B2/ja
Granted 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)
JP289679A 1979-01-17 1979-01-17 Manufacture and its device of low spreading rate pipe type biaxial spread film Granted JPS5595533A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP289679A JPS5595533A (en) 1979-01-17 1979-01-17 Manufacture and its device of low spreading rate pipe type biaxial spread film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP289679A JPS5595533A (en) 1979-01-17 1979-01-17 Manufacture and its device of low spreading rate pipe type biaxial spread film

Publications (2)

Publication Number Publication Date
JPS5595533A true JPS5595533A (en) 1980-07-19
JPS6236858B2 JPS6236858B2 (enrdf_load_stackoverflow) 1987-08-10

Family

ID=11542110

Family Applications (1)

Application Number Title Priority Date Filing Date
JP289679A Granted JPS5595533A (en) 1979-01-17 1979-01-17 Manufacture and its device of low spreading rate pipe type biaxial spread film

Country Status (1)

Country Link
JP (1) JPS5595533A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5472278A (en) * 1977-11-22 1979-06-09 Oji Paper Co Biaxial orientation method of plastics film by tubular method

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5472278A (en) * 1977-11-22 1979-06-09 Oji Paper Co Biaxial orientation method of plastics film by tubular method

Also Published As

Publication number Publication date
JPS6236858B2 (enrdf_load_stackoverflow) 1987-08-10

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