JPS62187723U - - Google Patents

Info

Publication number
JPS62187723U
JPS62187723U JP1986074496U JP7449686U JPS62187723U JP S62187723 U JPS62187723 U JP S62187723U JP 1986074496 U JP1986074496 U JP 1986074496U JP 7449686 U JP7449686 U JP 7449686U JP S62187723 U JPS62187723 U JP S62187723U
Authority
JP
Japan
Prior art keywords
ring
stretching
section
mandrel
cooling
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
JP1986074496U
Other languages
English (en)
Japanese (ja)
Other versions
JPH059147Y2 (en:Method
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 filed Critical
Priority to JP1986074496U priority Critical patent/JPH059147Y2/ja
Priority to US07/050,109 priority patent/US4759702A/en
Publication of JPS62187723U publication Critical patent/JPS62187723U/ja
Application granted granted Critical
Publication of JPH059147Y2 publication Critical patent/JPH059147Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
JP1986074496U 1986-05-20 1986-05-20 Expired - Lifetime JPH059147Y2 (en:Method)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1986074496U JPH059147Y2 (en:Method) 1986-05-20 1986-05-20
US07/050,109 US4759702A (en) 1986-05-20 1987-05-15 Stretching device for stretching tubular film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986074496U JPH059147Y2 (en:Method) 1986-05-20 1986-05-20

Publications (2)

Publication Number Publication Date
JPS62187723U true JPS62187723U (en:Method) 1987-11-30
JPH059147Y2 JPH059147Y2 (en:Method) 1993-03-08

Family

ID=13548971

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986074496U Expired - Lifetime JPH059147Y2 (en:Method) 1986-05-20 1986-05-20

Country Status (2)

Country Link
US (1) US4759702A (en:Method)
JP (1) JPH059147Y2 (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02258323A (ja) * 1988-11-30 1990-10-19 Natl Res Dev Corp 管の製造方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6221191B1 (en) * 1996-06-07 2001-04-24 Qpf, L.L.C. Polyester-containing biaxially-oriented polypropylene films and method of making the same
DE19911978C2 (de) * 1999-03-17 2002-09-05 Windmoeller & Hoelscher Vorrichtung zum Erwärmen einer zwischen einem Vorzugsrollenpaar und einem Abzugsrollenpaar zu einer Schlauchfolienblase aufgeblasenen Schlauchfolienbahn
DE102006027644A1 (de) * 2006-06-13 2007-12-27 Windmöller & Hölscher Kg Kalibriervorrichtung für eine Blasfolienanlage

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2697248A (en) * 1952-12-22 1954-12-21 Dow Chemical Co Film stretching device
US3257489A (en) * 1961-11-28 1966-06-21 Du Pont Process for improving gauge of organic, thermoplastic, crystallizable polymeric film by stretching during heat treating
GB1050082A (en:Method) * 1962-05-08 1900-01-01
US3296343A (en) * 1963-03-27 1967-01-03 Phillips Petroleum Co Method and apparatus for producing blown thermoplastic tubing
US3574806A (en) * 1967-09-07 1971-04-13 Gulf Oil Corp Method for producing flattened sheeting or flattened tubing of molten thermoplastic resins circumferential chill casting
GB1282062A (en) * 1969-03-08 1972-07-19 Showa Denko Kk A method and apparatus for manufacturing a biaxially oriented cylindrical film
JPS4829542B1 (en:Method) * 1969-06-21 1973-09-11
US3904342A (en) * 1970-04-03 1975-09-09 Showa Denko Kk Apparatus for manufacturing of tubular biaxially stretched film having improved thickness uniformity
US4165356A (en) * 1978-05-15 1979-08-21 Owens-Illinois, Inc. Method of forming tubular plastic material having a flare-top edge using a blow head
JPS6026009A (ja) * 1983-07-25 1985-02-08 Konishiroku Photo Ind Co Ltd 光学用樹脂物体

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02258323A (ja) * 1988-11-30 1990-10-19 Natl Res Dev Corp 管の製造方法

Also Published As

Publication number Publication date
JPH059147Y2 (en:Method) 1993-03-08
US4759702A (en) 1988-07-26

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