ZA746448B - Extrusion - Google Patents

Extrusion

Info

Publication number
ZA746448B
ZA746448B ZA00746448A ZA746448A ZA746448B ZA 746448 B ZA746448 B ZA 746448B ZA 00746448 A ZA00746448 A ZA 00746448A ZA 746448 A ZA746448 A ZA 746448A ZA 746448 B ZA746448 B ZA 746448B
Authority
ZA
South Africa
Prior art keywords
extrusion
Prior art date
Application number
ZA00746448A
Other languages
English (en)
Inventor
F Cogswell
Original Assignee
Ici 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 Ici Ltd filed Critical Ici Ltd
Publication of ZA746448B publication Critical patent/ZA746448B/xx

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • B29C49/64Heating or cooling preforms, parisons or blown articles
    • B29C49/6409Thermal conditioning of preforms
    • B29C49/6436Thermal conditioning of preforms characterised by temperature differential
    • B29C49/6445Thermal conditioning of preforms characterised by temperature differential through the preform length
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/78Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/78Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/87Cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/02Combined blow-moulding and manufacture of the preform or the parison
    • B29C49/04Extrusion blow-moulding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/52Heating or cooling
    • B29C2043/527Heating or cooling selectively cooling, e.g. locally, on the surface of the material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001Combinations of extrusion moulding with other shaping operations
    • B29C48/0017Combinations of extrusion moulding with other shaping operations combined with blow-moulding or thermoforming
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/09Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
ZA00746448A 1973-10-26 1974-10-09 Extrusion ZA746448B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB49896/73A GB1487323A (en) 1973-10-26 1973-10-26 Extrusion

Publications (1)

Publication Number Publication Date
ZA746448B true ZA746448B (en) 1975-11-26

Family

ID=10453924

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00746448A ZA746448B (en) 1973-10-26 1974-10-09 Extrusion

Country Status (12)

Country Link
US (1) US3980744A (en, 2012)
JP (1) JPS5620174B2 (en, 2012)
AT (1) AT353474B (en, 2012)
AU (1) AU475560B2 (en, 2012)
BE (1) BE821567A (en, 2012)
DE (1) DE2450818C3 (en, 2012)
ES (1) ES431364A1 (en, 2012)
FR (1) FR2248922B1 (en, 2012)
GB (1) GB1487323A (en, 2012)
NL (1) NL182459C (en, 2012)
SE (1) SE410289B (en, 2012)
ZA (1) ZA746448B (en, 2012)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039609A (en) * 1972-10-25 1977-08-02 Bellaplast Gmbh Method for the manufacture of thin-walled shaped articles of thermoplastic material
AU526655B2 (en) * 1977-08-23 1983-01-27 Ici Ltd. Filled hollow blow moldings
US4155972A (en) * 1977-09-06 1979-05-22 Keystone Consolidated Industries, Inc. Multiple-shot method of molding plastic products
US4289727A (en) * 1979-12-19 1981-09-15 Mobil Oil Corporation Method for extrusion of tubular films
JPS56162617A (en) * 1980-05-20 1981-12-14 Fuji Photo Film Co Ltd Preparation of film
JPS57142327A (en) * 1981-02-27 1982-09-03 Nippon Plast Co Ltd Armrest
JPS5833432A (ja) * 1981-08-25 1983-02-26 Mitsui Toatsu Chem Inc ポリプロピレンのブロ−成形方法
US4430288A (en) 1981-12-18 1984-02-07 Composite Container Corporation Making coextruded sheets and containers
JPS59100046U (ja) * 1982-12-24 1984-07-06 松下電工株式会社 建築板の連結構造
US4874000A (en) * 1982-12-30 1989-10-17 Philip Morris Incorporated Method and apparatus for drying and cooling extruded tobacco-containing material
US4485062A (en) * 1983-07-05 1984-11-27 E. I. Du Pont De Nemours And Company Process for extruding polymers
JPS6117774A (ja) * 1984-07-04 1986-01-25 Matsushita Electric Ind Co Ltd ガスコツク
US4615858A (en) * 1985-05-16 1986-10-07 Mobil Oil Corporation Method and apparatus producing decorative melt fracture patterns on polymeric products
US4622199A (en) * 1985-06-11 1986-11-11 Owens-Illinois, Inc. Process for extruding high molecular weight, high density linear ethylene polymers to form heavy tubular members
US5106562A (en) * 1989-12-28 1992-04-21 American National Can Company Extrusion methods and apparatus
US5269995A (en) * 1992-10-02 1993-12-14 The Dow Chemical Company Coextrusion of multilayer articles using protective boundary layers and apparatus therefor
US5948472A (en) * 1996-09-10 1999-09-07 Lawrie Technology, Inc. Method for making a pultruded product
AU4804897A (en) * 1996-10-22 1998-05-15 Henry G. Schirmer Modular disk coextrusion die
SE513572C2 (sv) 1997-01-29 2000-10-02 Tetra Laval Holdings & Finance Sätt att tillverka en förpackningsbehållare
ATE368559T1 (de) * 1997-04-16 2007-08-15 Husky Injection Molding Verfahren und gerät zur patiellen kristallisierung amorpher kunststoffgegenstände
US7476352B2 (en) * 2004-05-21 2009-01-13 3M Innovative Properties Company Lubricated flow fiber extrusion
US8870561B2 (en) 2012-03-16 2014-10-28 Bbs Corporation Layer sequence repeater module for a modular disk co-extrusion die and products thereof
CA3141592A1 (en) * 2019-05-30 2020-12-03 Polyvalor, Limited Partnership Pultrusion system with cooling stage and method therefor
US11220035B2 (en) 2019-06-14 2022-01-11 Henry G. Schirmer Complex films made from modular disk coextrusion die with opposing disk arrangement
US11090853B2 (en) 2019-06-14 2021-08-17 Bbs Corporation Modular disk coextrusion die with opposing disk arrangement
US11173642B1 (en) 2021-04-09 2021-11-16 Bbs Corporation Blown film coextrusion line with polygonal extruder arrangement
US11338490B1 (en) 2021-04-09 2022-05-24 Bbs Corporation Blown film coextrusion line with polygonal extruder arrangement
US11511474B1 (en) 2021-05-17 2022-11-29 Henry G. Schirmer Modular disk coextrusion die with melt channeling disk

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2317687A (en) * 1940-04-04 1943-04-27 Du Pont Production of hollow articles from polymeric compositions
BE555596A (en, 2012) * 1956-03-22 1900-01-01
US3082484A (en) * 1959-02-13 1963-03-26 Owens Illinois Glass Co Method for laminate forming hollow plastic article from materials of different viscosities
US3223761A (en) * 1962-04-30 1965-12-14 Union Carbide Corp Melt extrusion of multi-wall plastic tubing
US3397101A (en) * 1962-07-25 1968-08-13 Tetra Pak Ab Method of improving the heat sealing qualities of thermoplastic film oriented by stretching
FR1436158A (fr) * 1964-04-01 1966-04-22 Continental Can Co Procédé et appareil de fabrication de récipients enduits
US3635624A (en) * 1968-10-22 1972-01-18 Yoshio Nakakoshi Blow-molding apparatus

Also Published As

Publication number Publication date
NL7413593A (nl) 1975-04-29
ATA863874A (de) 1979-04-15
JPS5620174B2 (en, 2012) 1981-05-12
NL182459C (nl) 1988-03-16
GB1487323A (en) 1977-09-28
BE821567A (fr) 1975-04-28
SE7413416L (en, 2012) 1975-04-28
FR2248922A1 (en, 2012) 1975-05-23
AT353474B (de) 1979-11-12
SE410289B (sv) 1979-10-08
AU475560B2 (en) 1976-08-26
AU7423874A (en) 1976-04-15
US3980744A (en) 1976-09-14
DE2450818C3 (de) 1980-03-13
DE2450818B2 (de) 1979-06-21
ES431364A1 (es) 1976-11-01
FR2248922B1 (en, 2012) 1978-06-09
JPS5074665A (en, 2012) 1975-06-19
DE2450818A1 (de) 1975-04-30

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