DK531484A - Apparat og fremgangsmaade til ekstrudering af et skumstof - Google Patents

Apparat og fremgangsmaade til ekstrudering af et skumstof Download PDF

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Publication number
DK531484A
DK531484A DK531484A DK531484A DK531484A DK 531484 A DK531484 A DK 531484A DK 531484 A DK531484 A DK 531484A DK 531484 A DK531484 A DK 531484A DK 531484 A DK531484 A DK 531484A
Authority
DK
Denmark
Prior art keywords
chamber
reduced pressure
cut lengths
atmospheric pressure
cut
Prior art date
Application number
DK531484A
Other languages
English (en)
Other versions
DK531484D0 (da
Inventor
Richard S Schafler
Norman I Schafler
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 DK531484D0 publication Critical patent/DK531484D0/da
Publication of DK531484A publication Critical patent/DK531484A/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
    • 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
    • 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
    • B29C44/505—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 extruding the compound through a flat die
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/06—Vacuum

Landscapes

  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Molding Of Porous Articles (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
DK531484A 1983-11-09 1984-11-08 Apparat og fremgangsmaade til ekstrudering af et skumstof DK531484A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/550,124 US4486369A (en) 1983-11-09 1983-11-09 Controlled environment extrusion apparatus and method

Publications (2)

Publication Number Publication Date
DK531484D0 DK531484D0 (da) 1984-11-08
DK531484A true DK531484A (da) 1985-05-10

Family

ID=24195848

Family Applications (1)

Application Number Title Priority Date Filing Date
DK531484A DK531484A (da) 1983-11-09 1984-11-08 Apparat og fremgangsmaade til ekstrudering af et skumstof

Country Status (11)

Country Link
US (1) US4486369A (da)
EP (1) EP0142296B1 (da)
JP (1) JPS60124233A (da)
AT (1) ATE46851T1 (da)
AU (1) AU581627B2 (da)
CA (1) CA1221515A (da)
DE (1) DE3479978D1 (da)
DK (1) DK531484A (da)
FI (1) FI844368L (da)
IL (1) IL73405A0 (da)
NO (1) NO844470L (da)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU609736B2 (en) * 1986-09-19 1991-05-09 Dow Chemical Company, The Process and apparatus for producing extruded thermoplastic foam bodies
DE4031145C1 (da) * 1990-10-03 1991-08-29 Maschinenfabrik Hennecke Gmbh, 5090 Leverkusen, De
KR100208658B1 (ko) * 1991-11-14 1999-07-15 페. 부르기, 에르. 펠레그리노 예정압력범위내에서 관상폴리우레탄폼의 연속제조방법 및 장치
US5656220A (en) * 1995-08-11 1997-08-12 Mountain Safety Research Method for the extrusion of ceramic filter media
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
US5783122A (en) * 1996-08-14 1998-07-21 Owens Corning Fiberglas Technology, Inc. Vacuum extrusion apparatus and method
DK1087675T3 (da) * 1998-05-29 2004-03-08 Sprout Matador As Fremgangsmåde og apparatur til ekstrudering af eskpanderende vandholdige produkter, såsom fødevarepartikler eller foderpiller
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
US7951449B2 (en) * 2002-06-27 2011-05-31 Wenguang Ma Polyester core materials and structural sandwich composites thereof
US6773739B2 (en) 2002-08-30 2004-08-10 Wenger Manufacturing, Inc Method and apparatus for extrusion of food products including back pressure valve/diverter
DE10311169A1 (de) * 2003-03-12 2004-09-23 Sms Eumuco Gmbh Vorrichtung zum Strangpressen von gekrümmten Strangpreßprofilen
US8752348B2 (en) * 2005-02-25 2014-06-17 Syntheon Inc. Composite pre-formed construction articles
CA2598442C (en) 2005-02-25 2011-02-08 Nova Chemicals Inc. Composite pre-formed building panels, a building and a framing stud
BRPI0607377A2 (pt) * 2005-02-25 2010-03-23 Nova Chem Inc composiÇço de cimento de baixo peso, leito de estrada, artigo de construÇço painel compàsito, estrutura de concreto isolada, mÉtodo de fabricar um artigo de composiÇço de cimento de baixo peso, artigo de concreto de baixo peso e unidade estrutural de baixo peso
JP2008534418A (ja) 2005-03-22 2008-08-28 ノバ・ケミカルズ・インコーポレイテツド 軽量コンクリート組成物
US7677009B2 (en) 2007-02-02 2010-03-16 Nova Chemicals Inc. Roof truss system
US20090078161A1 (en) * 2007-09-20 2009-03-26 Nova Chemicals Inc. Methods of minimizing concrete cracking and shrinkage
US8048219B2 (en) * 2007-09-20 2011-11-01 Nova Chemicals Inc. Method of placing concrete

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789095A (en) * 1965-08-19 1974-01-29 T Winstead Continuous method of manufacturing articles from foamed thermoplastic material
FR1557135A (da) * 1967-12-29 1969-02-14
US3704083A (en) * 1970-06-18 1972-11-28 Arthus L Phipps Extrusion machine
US3798337A (en) * 1971-07-22 1974-03-19 Noel Y Co Ltd Sa Argentina De Process for the continuous manufacture of foamed sweets
DE2153070A1 (de) * 1971-10-25 1973-05-03 Buchmann Rudolf Ch Verfahren und vorrichtung zur konditionierung und geordneten lagerung von schaumkunststoffbloecken
US3822331A (en) * 1971-12-10 1974-07-02 Grace W R & Co Continuous process for making low density thermoplastic foam
US3871812A (en) * 1972-08-02 1975-03-18 Arthur L Phipps Foam extrusion die
US4044084A (en) * 1975-08-11 1977-08-23 Phipps Arthur L Method of removing an article from a chamber having a reduced pressure therein
US4201534A (en) * 1978-06-14 1980-05-06 Condec Corporation Foam extrusion die assembly
US4211739A (en) * 1978-07-10 1980-07-08 Condec Corporation Foam extrusion apparatus and method
US4234529A (en) * 1978-12-18 1980-11-18 Condec Corporation Method and apparatus for shaping plastic foams
US4364722A (en) * 1981-04-02 1982-12-21 U.C. Industries Foam extrusion die assembly
JPS5962122A (ja) * 1982-10-02 1984-04-09 Kanegafuchi Chem Ind Co Ltd 合成樹脂発泡体の製造方法及び装置

Also Published As

Publication number Publication date
JPS60124233A (ja) 1985-07-03
FI844368A7 (fi) 1985-05-10
DK531484D0 (da) 1984-11-08
IL73405A0 (en) 1985-02-28
FI844368A0 (fi) 1984-11-07
EP0142296A3 (en) 1987-04-22
NO844470L (no) 1985-05-10
AU581627B2 (en) 1989-03-02
CA1221515A (en) 1987-05-12
US4486369A (en) 1984-12-04
EP0142296A2 (en) 1985-05-22
EP0142296B1 (en) 1989-10-04
AU3442584A (en) 1985-05-16
DE3479978D1 (en) 1989-11-09
ATE46851T1 (de) 1989-10-15
FI844368L (fi) 1985-05-10

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment