DK571778A - Fremgangsmaade og apparat til at forme termoplastiske skumstoffer med et forstoerret tvaersnitsomraade ved at ekstrudere en varmeplastificeret gel ind i en formekanal - Google Patents

Fremgangsmaade og apparat til at forme termoplastiske skumstoffer med et forstoerret tvaersnitsomraade ved at ekstrudere en varmeplastificeret gel ind i en formekanal

Info

Publication number
DK571778A
DK571778A DK571778A DK571778A DK571778A DK 571778 A DK571778 A DK 571778A DK 571778 A DK571778 A DK 571778A DK 571778 A DK571778 A DK 571778A DK 571778 A DK571778 A DK 571778A
Authority
DK
Denmark
Prior art keywords
molding
extracting
heat
enlarged cross
section area
Prior art date
Application number
DK571778A
Other languages
English (en)
Other versions
DK150977B (da
DK150977C (da
Inventor
M S Ratafia
K W Suh
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of DK571778A publication Critical patent/DK571778A/da
Publication of DK150977B publication Critical patent/DK150977B/da
Application granted granted Critical
Publication of DK150977C publication Critical patent/DK150977C/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
    • B29C44/36—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
    • 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
    • B29C48/06—Rod-shaped
    • 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
    • B29C48/94—Lubricating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • General Preparation And Processing Of Foods (AREA)
DK571778A 1977-12-20 1978-12-20 Fremgangsmaade og apparat til fremstilling af genstande af skumformstof ved ekstrudering af en varmeplastificeret gel ind i en formekanal DK150977C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86226477 1977-12-20
US05/862,264 US4146563A (en) 1977-12-20 1977-12-20 Method and apparatus for forming thermoplastic foams

Publications (3)

Publication Number Publication Date
DK571778A true DK571778A (da) 1979-06-21
DK150977B DK150977B (da) 1987-10-05
DK150977C DK150977C (da) 1988-06-06

Family

ID=25338077

Family Applications (1)

Application Number Title Priority Date Filing Date
DK571778A DK150977C (da) 1977-12-20 1978-12-20 Fremgangsmaade og apparat til fremstilling af genstande af skumformstof ved ekstrudering af en varmeplastificeret gel ind i en formekanal

Country Status (10)

Country Link
US (1) US4146563A (da)
EP (1) EP0002489B1 (da)
JP (1) JPS6053689B2 (da)
AT (1) AT371762B (da)
AU (1) AU529899B2 (da)
BR (1) BR7808339A (da)
CA (1) CA1103872A (da)
DE (1) DE2860962D1 (da)
DK (1) DK150977C (da)
NO (1) NO152327C (da)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4282890A (en) * 1978-03-13 1981-08-11 Celanese Corporation Open cell structure foamed cellulose acetate filters
US4419309A (en) * 1982-04-30 1983-12-06 Mobil Oil Corporation Polystyrene foam extrusion into a foam assisting atmosphere
JPS6011329A (ja) * 1983-07-01 1985-01-21 Mitsubishi Petrochem Co Ltd 架橋発泡体の連続製造方法
JPS60201925A (ja) * 1984-03-26 1985-10-12 Ikegai Corp 押出成形用ダイ
US4659303A (en) * 1984-03-29 1987-04-21 Nabisco Brands, Inc. Apparatus for extruding dough as used in producing crisp breads
US4698228A (en) * 1984-03-29 1987-10-06 Nabisco Brands Process for extruding dough as used in producing crisp breads
BR8606625A (pt) * 1985-04-12 1987-08-04 Dow Chemical Co Processo para a preparacao de uma espuma de polimeros de estireno e de espuma preparada pelo mesmo
ES2088026T3 (es) * 1991-11-14 1996-08-01 Prefoam Ag Metodo y dispositivo para la fabricacion en continuo de espuma de poliuretano en plancha dentro de una gama de presion predeterminada.
DE69818786T2 (de) 1997-12-26 2004-07-29 Sumitomo Chemical Co., Ltd. Vorrichtung zur Herstellung von thermoplastischer Schaumfolie
DE19849263C2 (de) * 1998-10-26 2003-06-12 Moeller Plast Gmbh Verfahren zur Herstellung eines Bauteils durch Coextrusion
IT1318863B1 (it) 2000-09-14 2003-09-10 Omipa S P A Dispositivo di calibrazione per profili estrusi
WO2003102060A1 (en) * 2002-05-30 2003-12-11 Dow Global Technologies, Inc. Halogen free ignition resistant thermoplastic resin compositions
AU2003230910A1 (en) * 2003-02-06 2004-09-06 Dow Global Technologies Inc. Halogen free ignition resistant thermoplastic resin compositions
ATE543862T1 (de) 2004-03-26 2012-02-15 Natureworks Llc Mit kohlendioixd getriebene extrudierte polylactidschaumstoffe
WO2005118604A1 (en) * 2004-05-28 2005-12-15 Dow Global Technologies Inc. Phosphorus-containing compounds useful for making halogen-free, ignition-resistant polymers
EP2420373A3 (de) 2010-08-20 2012-06-06 Rundpack AG Verfahren zur Herstellung eines opaken Formteils
EP2598539A1 (en) 2010-09-30 2013-06-05 Dow Global Technologies LLC Process for recovering brominated styrene-butadiene copolymers from a bromination reaction solution
CN103261297B (zh) 2010-12-17 2015-08-19 陶氏环球技术有限责任公司 聚苯乙烯熔体挤出方法
US20140128488A1 (en) 2011-06-29 2014-05-08 Dow Global Technologies Llc Method for Making Organic Foam Composites Containing Aerogel Particles
US9511523B2 (en) 2012-03-28 2016-12-06 Sabic Global Technologies B.V. Static-dissipative foam extrusion calibration with minimized expansion loss
US10633084B2 (en) * 2017-08-25 2020-04-28 Bell Helicopter Textron Inc. Geodesic composite structures

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2537977A (en) * 1948-07-15 1951-01-16 Dow Chemical Co Method of making a shaped thermoplastic cellular product
NL286346A (da) * 1961-12-05
NL286347A (da) * 1961-12-07
US3335207A (en) * 1963-10-11 1967-08-08 Owens Illinois Inc Method and apparatus for forming foamed low density sheet plastic
FR1595011A (da) * 1968-01-11 1970-06-08
DE2147876C3 (de) * 1970-09-29 1975-04-24 Tokan Kogyo Co. Ltd., Tokio Verfahren und Vorrichtung zum Herstellen von Hohlplattenprodukten aus thermoplastischem Kunstharz
US3835209A (en) * 1971-11-09 1974-09-10 Owens Illinois Inc Process of extruding a foamed extrudate and controlling the thickness thereof
BE789774A (fr) * 1972-02-18 1973-02-01 Sinclair Koppers Co Procede et appareil pour la fabrication de profiles en mousse
IT985207B (it) * 1972-05-26 1974-11-30 Derivados Del Fluor Sa Procedimento continuo per la produzione di fluoruro di allu minio
US4049760A (en) * 1973-03-16 1977-09-20 Societe Chimique Des Charbonnages Method of manufacture of foamed thermo-plastic extruded shapes
US3954929A (en) * 1973-10-11 1976-05-04 The Dow Chemical Company Method and apparatus for the extrusion of foamable thermoplastic materials
US3966381A (en) * 1973-11-21 1976-06-29 The Dow Chemical Company Extrusion of thermoplastic foam

Also Published As

Publication number Publication date
NO784257L (no) 1979-06-21
EP0002489B1 (en) 1981-08-12
AU529899B2 (en) 1983-06-23
JPS5487769A (en) 1979-07-12
DK150977B (da) 1987-10-05
AT371762B (de) 1983-07-25
JPS6053689B2 (ja) 1985-11-27
BR7808339A (pt) 1979-08-07
DK150977C (da) 1988-06-06
US4146563A (en) 1979-03-27
EP0002489A1 (en) 1979-06-27
NO152327B (no) 1985-06-03
DE2860962D1 (en) 1981-11-12
AU4220278A (en) 1979-06-28
ATA910578A (de) 1982-12-15
CA1103872A (en) 1981-06-30
NO152327C (no) 1985-09-11

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