CA1159214A - Method and apparatus for biaxially stretching a tubular film - Google Patents

Method and apparatus for biaxially stretching a tubular film

Info

Publication number
CA1159214A
CA1159214A CA000362699A CA362699A CA1159214A CA 1159214 A CA1159214 A CA 1159214A CA 000362699 A CA000362699 A CA 000362699A CA 362699 A CA362699 A CA 362699A CA 1159214 A CA1159214 A CA 1159214A
Authority
CA
Canada
Prior art keywords
film
pulleys
pair
selvages
tubular
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
CA000362699A
Other languages
English (en)
French (fr)
Inventor
Masahide Yazawa
Hiroshi Yazawa
Haruhisa Tani
Kazuhiko Kurihara
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.)
Polymer Processing Research Institute Ltd
Eneos Corp
Original Assignee
Nippon Petrochemicals Co Ltd
Polymer Processing Research Institute 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 Nippon Petrochemicals Co Ltd, Polymer Processing Research Institute Ltd filed Critical Nippon Petrochemicals Co Ltd
Application granted granted Critical
Publication of CA1159214A publication Critical patent/CA1159214A/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
    • B29C55/10—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
    • B29C55/16—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial simultaneously
    • B29C55/165—Apparatus therefor
    • 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
    • B29C55/285—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation by using internal mechanical means
    • 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
    • B29C2793/00—Shaping techniques involving a cutting or machining operation
    • B29C2793/009—Shaping techniques involving a cutting or machining operation after shaping
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
CA000362699A 1979-10-19 1980-10-17 Method and apparatus for biaxially stretching a tubular film Expired CA1159214A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP54-135568 1979-10-19
JP13556879A JPS5658831A (en) 1979-10-19 1979-10-19 Biaxial stretching apparatus of tubular film

Publications (1)

Publication Number Publication Date
CA1159214A true CA1159214A (en) 1983-12-27

Family

ID=15154848

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000362699A Expired CA1159214A (en) 1979-10-19 1980-10-17 Method and apparatus for biaxially stretching a tubular film

Country Status (6)

Country Link
US (1) US4331624A (cg-RX-API-DMAC7.html)
EP (1) EP0027735B1 (cg-RX-API-DMAC7.html)
JP (1) JPS5658831A (cg-RX-API-DMAC7.html)
AU (1) AU536604B2 (cg-RX-API-DMAC7.html)
CA (1) CA1159214A (cg-RX-API-DMAC7.html)
DE (1) DE3068235D1 (cg-RX-API-DMAC7.html)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57163532A (en) 1981-04-01 1982-10-07 Polymer Processing Res Inst Method for orienting film to traverse direction mainly
JPS58219024A (ja) * 1982-06-15 1983-12-20 Polymer Processing Res Inst 膜・繊維材の延伸方法並びに装置
GB8319510D0 (en) * 1983-07-19 1983-08-17 Bicc Plc Insulated wires and cables
US4711751A (en) * 1985-01-11 1987-12-08 Thermo Plastic Research Co., Ltd. Process and apparatus for stretching tubular extruded plastic material
JPS6471727A (en) * 1987-09-11 1989-03-16 Idemitsu Petrochemical Co Method and device for tubular orientation of thermoplastic resin
JPH04236019A (ja) * 1991-01-18 1992-08-25 Sanyo Electric Co Ltd 暖房装置
JPH0536246U (ja) * 1991-10-09 1993-05-18 積水化学工業株式会社 電気温水器
JPH06107249A (ja) * 1992-04-28 1994-04-19 Ryoden Unyu Kk 水平・傾斜面搬送装置
US5321109A (en) * 1992-11-17 1994-06-14 Impra, Inc. Uniformly expanded PTFE film
US5826314A (en) * 1994-07-01 1998-10-27 Nippon Petrochemicals Company, Limited Device for transversely stretching web
DE19938165A1 (de) * 1999-08-16 2001-02-22 Hoechst Trespaphan Gmbh Verfahren und Vorrichtung zum Führen einer Materialbahn
SI1409244T1 (sl) * 2001-07-19 2008-04-30 Lankhorst Pure Composites Bv Poliolefinski film, trak ali nit
US20070089573A1 (en) * 2005-10-24 2007-04-26 Lectro Engineering Company Spin trimmer and method of trimming

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2659931A (en) * 1952-03-03 1953-11-24 Dow Chemical Co Apparatus for stretching film
GB849436A (en) * 1957-09-11 1960-09-28 Ici Ltd Synthetic polymer films
US2976567A (en) * 1957-10-16 1961-03-28 Dow Chemical Co Process and apparatus for upgrading thermoplastic film
US2988772A (en) * 1958-05-26 1961-06-20 Celanese Corp Film stretching
NL256913A (cg-RX-API-DMAC7.html) * 1960-10-17 1900-01-01
US3254148A (en) * 1963-01-10 1966-05-31 Goodyear Tire & Rubber Film stretching process
US3471606A (en) * 1964-03-18 1969-10-07 Mobil Oil Corp Producing thermoplastic films
FR1406691A (fr) * 1964-06-11 1965-07-23 Procédé d'étirage simultané et synchrone de feuilles de matière plastique et banc d'étirage correspondant
DE1729029A1 (de) * 1967-04-05 1971-06-03 Veba Chemie Ag Verfahren und Vorrichtung zum Recken von Kunststoffolien
US3472924A (en) * 1967-08-21 1969-10-14 Dow Chemical Co Method and apparatus for the preparation of biaxially oriented film
ES391123A1 (es) * 1970-05-19 1974-05-01 Hoechst Ag Procedimiento y aparato para el estiramiento de laminas de material sintetico termoplastico.
US3950469A (en) * 1971-12-22 1976-04-13 Hoechst Aktiengesellschaft Process for the production of a plastic tube to be used as an artificial sausage casing
JPS55126427A (en) * 1979-03-22 1980-09-30 Polymer Processing Res Inst Lateral stretching device for film and fibrous material

Also Published As

Publication number Publication date
AU536604B2 (en) 1984-05-17
DE3068235D1 (en) 1984-07-19
AU6350880A (en) 1981-04-30
EP0027735A1 (en) 1981-04-29
JPS5658831A (en) 1981-05-22
EP0027735B1 (en) 1984-06-13
JPS5730655B2 (cg-RX-API-DMAC7.html) 1982-06-30
US4331624A (en) 1982-05-25

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Legal Events

Date Code Title Description
MKEX Expiry