DK425483A - Fremgangsmaade og apparat til ekstrudering af et skumstof - Google Patents

Fremgangsmaade og apparat til ekstrudering af et skumstof Download PDF

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Publication number
DK425483A
DK425483A DK425483A DK425483A DK425483A DK 425483 A DK425483 A DK 425483A DK 425483 A DK425483 A DK 425483A DK 425483 A DK425483 A DK 425483A DK 425483 A DK425483 A DK 425483A
Authority
DK
Denmark
Prior art keywords
chamber
shaping
rolls
drive
bulkheads
Prior art date
Application number
DK425483A
Other languages
English (en)
Other versions
DK155581C (da
DK155581B (da
DK425483D0 (da
Inventor
James R Cisar
Kilian K Mendel
Original Assignee
Condec Corp
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 Condec Corp filed Critical Condec Corp
Publication of DK425483D0 publication Critical patent/DK425483D0/da
Publication of DK425483A publication Critical patent/DK425483A/da
Publication of DK155581B publication Critical patent/DK155581B/da
Application granted granted Critical
Publication of DK155581C publication Critical patent/DK155581C/da

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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/3403—Foaming under special conditions, e.g. in sub-atmospheric pressure, in or on a liquid
    • B29C44/3407—Vacuum extrusion using underwater barometric leg
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/24—Calendering

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Saccharide Compounds (AREA)
  • Executing Machine-Instructions (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Confectionery (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • External Artificial Organs (AREA)
DK425483A 1982-09-20 1983-09-19 Fremgangsmaade og apparat til ekstrudering af et skumstof DK155581C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/420,262 US4469652A (en) 1982-09-20 1982-09-20 Foam extrusion apparatus and method
US42026282 1982-09-20

Publications (4)

Publication Number Publication Date
DK425483D0 DK425483D0 (da) 1983-09-19
DK425483A true DK425483A (da) 1984-03-21
DK155581B DK155581B (da) 1989-04-24
DK155581C DK155581C (da) 1989-09-18

Family

ID=23665751

Family Applications (1)

Application Number Title Priority Date Filing Date
DK425483A DK155581C (da) 1982-09-20 1983-09-19 Fremgangsmaade og apparat til ekstrudering af et skumstof

Country Status (10)

Country Link
US (1) US4469652A (da)
EP (1) EP0106520B1 (da)
JP (1) JPS5978821A (da)
KR (1) KR910005146B1 (da)
AT (1) ATE29242T1 (da)
CA (1) CA1220313A (da)
DE (1) DE3373292D1 (da)
DK (1) DK155581C (da)
FI (1) FI76523C (da)
NO (1) NO833363L (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5753161A (en) * 1996-08-14 1998-05-19 Owens-Corning Fiberglas Technology, Inc. Vacuum extrusion system and method
US6036468A (en) 1997-08-21 2000-03-14 Owens Corning Fiberglas Technology, Inc. Vacuum extrusion system
US6093350A (en) * 1996-08-14 2000-07-25 Owens Corning Fiberglas Technology, Inc. Sealable chamber extrusion apparatus and method with process controls
US6116882A (en) * 1996-08-14 2000-09-12 Owens Corning Fiberglas Technology, Inc. Sealable chamber extrusion apparatus with seal controls
EP0925900B1 (en) * 1997-12-26 2003-10-08 Sumitomo Chemical Company, Limited Device for manufacturing foamed thermoplastic resin sheet
US8557884B2 (en) * 2002-05-31 2013-10-15 Owens Corning Intellectual Capital, Llc To enhance the thermal insulation of polymeric foam by reducing cell anisotropic ratio and the method for production thereof
JP5457077B2 (ja) * 2009-06-04 2014-04-02 日本ポリプロ株式会社 ポリオレフィン系樹脂積層発泡シートの押出成形による製法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1990434A (en) * 1928-12-12 1935-02-05 Kohler Conrad Insulating material
US2906367A (en) * 1956-11-08 1959-09-29 American Viscose Corp De-gasifying liquids
BR6911030D0 (pt) * 1968-08-03 1973-01-25 Reifenhaeuser Kg Processo para fabricar em prensas de extrusao objetos por meio de materiais sinteticos termoplasticos espumados bem como dispositivo para executar este processo
US4044084A (en) * 1975-08-11 1977-08-23 Phipps Arthur L Method of removing an article from a chamber having a reduced pressure therein
JPS52123460A (en) * 1976-04-09 1977-10-17 Sekisui Chemical Co Ltd Device for continuously producing foamed sheet material
US4100239A (en) * 1977-05-23 1978-07-11 Daniels Jr Lonnie E Method for making hollow panels
US4201534A (en) * 1978-06-14 1980-05-06 Condec Corporation Foam extrusion die assembly
JPS5829328B2 (ja) * 1978-06-22 1983-06-22 帝人株式会社 ポリエステル押出発泡体の製造方法
US4211739A (en) * 1978-07-10 1980-07-08 Condec Corporation Foam extrusion apparatus and method
US4199310A (en) * 1978-07-10 1980-04-22 Condec Corporation Extrusion apparatus
US4234529A (en) * 1978-12-18 1980-11-18 Condec Corporation Method and apparatus for shaping plastic foams
US4247276A (en) * 1979-08-27 1981-01-27 Condec Corporation Vacuum extrusion apparatus for forming foamed plastic products
US4271107A (en) * 1979-11-05 1981-06-02 Condec Corporation Foam extrusion apparatus and method

Also Published As

Publication number Publication date
US4469652A (en) 1984-09-04
DK155581C (da) 1989-09-18
FI833362A0 (fi) 1983-09-20
DE3373292D1 (en) 1987-10-08
EP0106520A3 (en) 1984-07-04
FI76523B (fi) 1988-07-29
FI76523C (fi) 1988-11-10
FI833362A (fi) 1984-03-21
DK155581B (da) 1989-04-24
NO833363L (no) 1984-03-21
JPS5978821A (ja) 1984-05-07
EP0106520B1 (en) 1987-09-02
DK425483D0 (da) 1983-09-19
ATE29242T1 (de) 1987-09-15
KR840006151A (ko) 1984-11-22
EP0106520A2 (en) 1984-04-25
KR910005146B1 (ko) 1991-07-23
CA1220313A (en) 1987-04-14

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PUP Patent expired