FR2227945B1 - - Google Patents

Info

Publication number
FR2227945B1
FR2227945B1 FR7415467A FR7415467A FR2227945B1 FR 2227945 B1 FR2227945 B1 FR 2227945B1 FR 7415467 A FR7415467 A FR 7415467A FR 7415467 A FR7415467 A FR 7415467A FR 2227945 B1 FR2227945 B1 FR 2227945B1
Authority
FR
France
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
FR7415467A
Other languages
French (fr)
Other versions
FR2227945A1 (de
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
Priority claimed from US356782A external-priority patent/US3904342A/en
Application filed by Showa Denko KK filed Critical Showa Denko KK
Publication of FR2227945A1 publication Critical patent/FR2227945A1/fr
Application granted granted Critical
Publication of FR2227945B1 publication Critical patent/FR2227945B1/fr
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)
FR7415467A 1973-05-03 1974-05-03 Expired FR2227945B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US356782A US3904342A (en) 1970-04-03 1973-05-03 Apparatus for manufacturing of tubular biaxially stretched film having improved thickness uniformity

Publications (2)

Publication Number Publication Date
FR2227945A1 FR2227945A1 (de) 1974-11-29
FR2227945B1 true FR2227945B1 (de) 1977-10-28

Family

ID=23402934

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7415467A Expired FR2227945B1 (de) 1973-05-03 1974-05-03

Country Status (5)

Country Link
BE (1) BE814553A (de)
DE (1) DE2420286A1 (de)
FR (1) FR2227945B1 (de)
GB (1) GB1446138A (de)
IT (1) IT1011353B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2201371A (en) * 1987-01-02 1988-09-01 Windmoeller & Hoelscher Apparatus for producing tubular thermoplastic biaxially oriented film
DE3802146C1 (de) * 1988-01-26 1989-02-23 Battenfeld Extrusionstechnik Gmbh, 4970 Bad Oeynhausen, De
AU610366B2 (en) * 1988-03-31 1991-05-16 Idemitsu Petrochemical Co., Ltd. Method of and apparatus for manufacturing biaxially oriented film
CN103009620B (zh) * 2011-09-20 2017-11-24 上海华义化工科技有限公司 管状薄膜坯管的加热方法及加热装置

Also Published As

Publication number Publication date
IT1011353B (it) 1977-01-20
BE814553A (fr) 1974-09-02
DE2420286A1 (de) 1974-11-14
GB1446138A (en) 1976-08-18
FR2227945A1 (de) 1974-11-29

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Legal Events

Date Code Title Description
ST Notification of lapse