GB1532929A - Tubular film extrusion - Google Patents

Tubular film extrusion

Info

Publication number
GB1532929A
GB1532929A GB28601/77A GB2860177A GB1532929A GB 1532929 A GB1532929 A GB 1532929A GB 28601/77 A GB28601/77 A GB 28601/77A GB 2860177 A GB2860177 A GB 2860177A GB 1532929 A GB1532929 A GB 1532929A
Authority
GB
United Kingdom
Prior art keywords
film
air
tube
blown
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.)
Expired
Application number
GB28601/77A
Other languages
English (en)
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.)
Mobil Oil AS
Original Assignee
Mobil Oil AS
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 Mobil Oil AS filed Critical Mobil Oil AS
Publication of GB1532929A publication Critical patent/GB1532929A/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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
    • B29C48/914—Cooling drums
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/885—External treatment, e.g. by using air rings for cooling tubular films
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • B29C48/903—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies externally

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB28601/77A 1976-08-30 1977-07-07 Tubular film extrusion Expired GB1532929A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/718,692 US4118453A (en) 1976-08-30 1976-08-30 Method and apparatus for the extrusion of tubular thermoplastic film

Publications (1)

Publication Number Publication Date
GB1532929A true GB1532929A (en) 1978-11-22

Family

ID=24887109

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28601/77A Expired GB1532929A (en) 1976-08-30 1977-07-07 Tubular film extrusion

Country Status (11)

Country Link
US (1) US4118453A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5329365A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU505587B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1099867A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH626289A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2736811C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES461172A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2362714A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1532929A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1077428B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL7708758A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473527A (en) * 1981-11-09 1984-09-25 Mitsui Petrochemical Industries Ltd. Method and apparatus for forming inflation film

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU509794B2 (en) * 1977-02-09 1980-05-22 Mobil Oil Corp. Tubular extrusion
JPS56137927A (en) * 1980-03-27 1981-10-28 American Can Co Manufacture of plastic film
US4330501A (en) 1980-06-30 1982-05-18 Union Carbide Corporation Method and apparatus for cooling film bubble of low strain hardening polymers
GB2112703B (en) * 1981-11-28 1985-08-07 Idemitsu Petrochemical Co Cooling extruded tubular plastics film
JPS58209085A (ja) * 1982-05-28 1983-12-05 トヨタ自動車株式会社 正抵抗温度磁器ヒ−タの製造方法
JPS60246693A (ja) * 1984-05-22 1985-12-06 三洋電機株式会社 混成集積回路
US4698196A (en) * 1985-12-24 1987-10-06 Xerox Corporation Method and apparatus for extruding creaseless thin walled tubes
CA1285114C (en) * 1985-12-24 1991-06-25 Ellis Fabian Extrusion system
US4728277A (en) * 1986-12-30 1988-03-01 Mirek Planeta Film-handling devices for thin flexible films
US5128076A (en) * 1991-03-21 1992-07-07 Minnesota Mining And Manufacturing Company Apparatus and method for producing an elongate strip of material
US5124094A (en) * 1991-03-21 1992-06-23 Minnesota Mining And Manufacturing Company Apparatus and method for constraining a rotating tube of material
US5562926A (en) * 1991-05-10 1996-10-08 Karl; Veit-Holger Film-blowing plant for manufacturing plastic films
US5840244A (en) * 1992-01-14 1998-11-24 Mobil Oil Corporation High impact LLDPE films with high stalk extrusion
US6458910B1 (en) 1992-01-14 2002-10-01 Exxonmobil Oil Corporation High impact LLDPE films
US5454061A (en) * 1994-05-27 1995-09-26 Steward Plastics, Inc. Apparatus and method for making flexible tubing with helically wound heating conductor
US5848223A (en) * 1994-05-27 1998-12-08 Steward Plastics, Inc. Double-walled flexible tubing product with helical support bead and heating conductor and apparatus and method for making
US5756203A (en) 1994-12-27 1998-05-26 Mobil Oil Corporation LLDPE films with improved impact strength
US5576029A (en) * 1995-06-02 1996-11-19 Planeta; Mirek Internal cooling air supply assembly
EP1126335B1 (en) 1999-08-26 2008-01-02 Seiko Epson Corporation Timepiece device
US6602593B1 (en) 1999-08-30 2003-08-05 Celgard Inc. Battery separators with reduced splitting propensity
US6439771B1 (en) 2000-03-15 2002-08-27 Webster Industries Division Chelsea Industries, Inc. Zippered resealable closure
US20020187694A1 (en) * 2001-06-11 2002-12-12 Brighton Thomas B. Mesh reinforced breathable plastic film
US9315300B2 (en) 2012-08-21 2016-04-19 Reynolds Consumer Products Inc. Drawtape with increased elongation and drawtape bag using same
US10131023B2 (en) * 2013-09-30 2018-11-20 Apple Inc. Adjustable fixture
US11207816B2 (en) 2016-01-15 2021-12-28 Addex, Inc. High performance cooling element
US10357914B2 (en) 2016-01-15 2019-07-23 Addex, Inc. High performance cooling element
US10391696B2 (en) 2016-01-15 2019-08-27 Addex, Inc. High performance cooling element
US11104054B2 (en) 2016-01-15 2021-08-31 Addex, Inc. High performance cooling system
US11298865B2 (en) * 2016-01-15 2022-04-12 Addex, Inc. High performance cooling system
US10391697B2 (en) 2016-01-15 2019-08-27 Addex, Inc. Controlled pressure enclosure
US11292176B2 (en) 2016-01-15 2022-04-05 Addex, Inc. High performance cooling system
CN116175947A (zh) * 2016-05-09 2023-05-30 温德莫勒及霍尔希尔公司 用于制造吹塑薄膜的吹塑薄膜机组
CN108556309A (zh) * 2018-02-07 2018-09-21 浙江东风塑料机械有限公司 塑料薄膜袋一体成型机
US20210300629A1 (en) * 2020-03-30 2021-09-30 New York Packaging II, LLC Reusable self-opening t-shirt bag apparatus and methods of manufacture thereof

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1215906B (de) * 1961-07-08 1966-05-05 J U W Mueller Luftkuehlring fuer Kunststoff-Schlauchfolien
US3210803A (en) * 1963-11-12 1965-10-12 Poly Plastic Products Inc Plastic tubing extrusion die air ring
DE1629798A1 (de) * 1965-12-23 1971-02-04 Waldhof Zellstoff Fab Verfahren und Vorrichtung zum Kuehlen von thermoplastischen Folien
US3548042A (en) * 1966-07-22 1970-12-15 Reynolds Metals Co Method and apparatus for cooling extruded tubing
GB1189999A (en) * 1966-11-30 1970-04-29 Grace W R & Co Production of Biaxially Oriented Films
GB1120075A (en) * 1967-06-26 1968-07-17 Shell Int Research Device and process for cooling an extruded tubular thermoplastic film
DE2132098A1 (de) * 1971-06-28 1973-01-18 Windmoeller & Hoelscher Kuehlvorrichtung fuer mittels eines folienblaskopfes hergestellte kunststoff-schlauchfolien
US3835209A (en) * 1971-11-09 1974-09-10 Owens Illinois Inc Process of extruding a foamed extrudate and controlling the thickness thereof
DE2320045A1 (de) * 1973-04-19 1974-11-07 Reifenhaeuser Kg Vorrichtung zur herstellung von blasfolien
US3867083A (en) * 1973-06-04 1975-02-18 Mobil Oil Corp Shape imposition apparatus for the extrusion of tubular thermoplastic film
US4022558A (en) * 1974-05-06 1977-05-10 Mobil Oil Corporation Apparatus for the extrusion of tubular thermo-plastic film
US3976732A (en) * 1974-05-06 1976-08-24 Mobil Oil Corporation Method for the extrusion of tubular thermoplastic film

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4473527A (en) * 1981-11-09 1984-09-25 Mitsui Petrochemical Industries Ltd. Method and apparatus for forming inflation film

Also Published As

Publication number Publication date
CA1099867A (en) 1981-04-28
NL7708758A (nl) 1978-03-02
FR2362714B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-06-18
AU2674277A (en) 1979-01-11
CH626289A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-11-13
IT1077428B (it) 1985-05-04
JPS5719011B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1982-04-20
JPS5329365A (en) 1978-03-18
DE2736811A1 (de) 1978-03-09
US4118453A (en) 1978-10-03
ES461172A1 (es) 1978-06-01
AU505587B2 (en) 1979-11-22
FR2362714A1 (fr) 1978-03-24
DE2736811C2 (de) 1984-06-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee