ES2176339T3 - Procedimiento de dos etapas para obtener productos moldeados de espuma a partir de tubos preformados. - Google Patents

Procedimiento de dos etapas para obtener productos moldeados de espuma a partir de tubos preformados.

Info

Publication number
ES2176339T3
ES2176339T3 ES95933670T ES95933670T ES2176339T3 ES 2176339 T3 ES2176339 T3 ES 2176339T3 ES 95933670 T ES95933670 T ES 95933670T ES 95933670 T ES95933670 T ES 95933670T ES 2176339 T3 ES2176339 T3 ES 2176339T3
Authority
ES
Spain
Prior art keywords
pct
cylindrical
foam
mold
cylindrical tube
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 - Lifetime
Application number
ES95933670T
Other languages
English (en)
Inventor
Anthony Joseph Scott
Kevin Jackson
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.)
Evolution Foam Moulding Ltd
Original Assignee
Evolution Foam Moulding 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 Evolution Foam Moulding Ltd filed Critical Evolution Foam Moulding Ltd
Application granted granted Critical
Publication of ES2176339T3 publication Critical patent/ES2176339T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/08—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles using several expanding or moulding steps

Landscapes

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Molding Of Porous Articles (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)

Abstract

SE DESCRIBE UNA TECNICA PARA PRODUCIR ESPUMA DE POLIOLEFINA. SE DESCRIBE UN PROCESO DE DOS ETAPAS EN EL QUE LA PRIMERA ETAPA COMPRENDE LA EXPANSION DE UN TUBO CILINDRICO PREFORMADO QUE COMPRENDE UN POLIMERO, UN AGENTE ESPUMANTE, UN AGENTE ENLAZADOR Y UN ENLAZADOR DEL AGENTE ESPUMANTE EN UN MOLDE CILINDRICO CERRADO. EL MOLDE CILINDRICO CONSTRIÑE LA EXPANSION DE LA ESPUMA SIN LA NECESIDAD DE ARIETES HIDRAULICOS O MEDIOS MECANICOS SIMILARES COMO EN LAS PRENSAS DE PLACA DE COMPRESION CONVENCIONALES. SIGUIENDO A LA PRIMERA ETAPA, LOS TUBOS CILINDRICOS DE MATERIAL SON CALENTADOS MIENTRAS SON DESCONSTREÑIDOS Y SE EXPANDEN SIMETRICAMENTE. EL TUBO CILINDRICO DE MATERIAL DE ESPUMA EXPANDIDA ES DIVIDIDO ENTONCES Y PUEDE PRENSARSE EN FRIO PARA FORMAR PIEZAS DE ESPUMA DE POLIOLEFINA. PUEDE UTILIZARSE VARIACIONES EN LA FORMA DEL MOLDE DEL TUBO CILINDRICO Y PUEDEN FORMARSE DISEÑOS Y OTRAS CARACTERISTICAS SOBRE EL INTERIOR DEL MOLDE CILINDRICO PARA PRODUCIR UN PRODUCTO QUE CONTENGA LA IMPRESION DE LOS MISMOS. LA ESPUMA DE POLIOLEFINA ASI PRODUCIDA PUEDE UTILIZARSE EN LA CONSTRUCCION, EL EMPAQUETAMIENTO, EN PRENDAS DE VESTIR Y APLICACIONES SIMILARES.
ES95933670T 1994-10-10 1995-10-10 Procedimiento de dos etapas para obtener productos moldeados de espuma a partir de tubos preformados. Expired - Lifetime ES2176339T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ26464694 1994-10-10

Publications (1)

Publication Number Publication Date
ES2176339T3 true ES2176339T3 (es) 2002-12-01

Family

ID=19924966

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95933670T Expired - Lifetime ES2176339T3 (es) 1994-10-10 1995-10-10 Procedimiento de dos etapas para obtener productos moldeados de espuma a partir de tubos preformados.

Country Status (11)

Country Link
US (1) US5955015A (es)
EP (1) EP0785856B1 (es)
JP (1) JPH10507135A (es)
CN (1) CN1088422C (es)
AT (1) ATE212897T1 (es)
AU (1) AU707247B2 (es)
BR (1) BR9509302A (es)
CA (1) CA2202268A1 (es)
DE (1) DE69525358T2 (es)
ES (1) ES2176339T3 (es)
WO (1) WO1996011096A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008153417A1 (en) * 2007-06-14 2008-12-18 Obie International Limited Apparatus and method for expanding foams and formation of expanded foam articles
GB2458333B (en) * 2008-04-15 2013-11-13 Gurit Uk Ltd Structural foam and manufacture thereof
KR101404273B1 (ko) * 2012-09-13 2014-06-11 주식회사 한화 사출 성형용 코어 조립체 및 이를 이용한 사출 성형 방법

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US620286A (en) * 1899-02-28 Rubber roll
GB448486A (en) * 1934-09-29 1936-06-09 Standard Telephones Cables Ltd Electrical conductors
US3812225A (en) * 1967-01-23 1974-05-21 Furukawa Electric Co Ltd Method of manufacturing foamed crosslinked polyolefin slabs involving multiple expansion techniques and direct gas pressure
CH560591A5 (es) * 1973-02-14 1975-04-15 Patelac Ag
JPS5150978A (en) * 1974-10-30 1976-05-06 Sumitomo Chemical Co Echirenkeijugotaino kakyohatsuhoshashutsuseikeihoho
US4073844A (en) * 1975-03-22 1978-02-14 Sumitomo Chemical Company, Limited Preparation of crosslinked polyolefin foams and the mold
FR2307642A1 (fr) * 1975-04-16 1976-11-12 Ugine Kuhlmann Procede de moulage de polytetrafluorethylene
DE2602024A1 (de) * 1976-01-21 1977-07-28 Berstorff Gmbh Masch Hermann Verfahren und einrichtung zum herstellen von kaschierten thermoplastischen schaumstoffbahnen
JPS532904A (en) * 1976-06-29 1978-01-12 Tokuzou Kuruto Method of laying pile for poor subsoil with much spring water
US4282277A (en) * 1978-09-08 1981-08-04 Bethlehem Steel Corporation Oriented, semi-crystalline polymer product and method and apparatus for producing such product
JPS5628834A (en) * 1979-08-20 1981-03-23 Fudo Kagaku Kogyo Kk Making of reinforced surface polystyrene foam
US4367185A (en) * 1980-02-25 1983-01-04 The Furukawa Electric Co., Ltd. Method of producing crosslinked polypropylene foam
JPS57191040A (en) * 1981-05-22 1982-11-24 Sanwa Kako Kk Manufacture of rubber molding having good property from vulcanized rubber
ATE28885T1 (de) * 1983-03-28 1987-08-15 Bayer Ag Verfahren zur herstellung von polyolefinschaeumen.
DE3430108C2 (de) * 1984-08-16 1987-03-12 Dynamit Nobel Ag, 5210 Troisdorf Verfahren zum Herstellen von geschlossenzellig verschäumten Formkörpern aus vernetzten Polyolefinen
US4867923A (en) * 1984-12-21 1989-09-19 Union Carbide Corporation Process of producing foamed products
JPS61146510A (ja) * 1984-12-21 1986-07-04 Sanwa Kako Kk 架橋ポリオレフイン発泡体の製造方法
JPH0725916B2 (ja) * 1987-04-13 1995-03-22 三菱油化株式会社 ポリプロピレン発泡体の製造方法
US4900490A (en) * 1987-05-15 1990-02-13 Packaging Industries Group, Inc. Foam material
US5071886A (en) * 1988-03-10 1991-12-10 Sumitomo Chemical Company, Limited Heat-shrinkable, tubular foam
US5043115A (en) * 1988-03-10 1991-08-27 Sumitomo Chemical Company, Limited Heat-shrinkable, tubular foam
US4976902A (en) * 1988-10-04 1990-12-11 Rubatex Corporation Molding method for producing expanded polyolefin foam
US5281377A (en) * 1988-11-11 1994-01-25 Japan Styrene Paper Corporation Process for the production of foamed polyolefin sheets
US4973609A (en) * 1988-11-17 1990-11-27 Memron, Inc. Porous fluoropolymer alloy and process of manufacture
US5242634A (en) * 1991-08-06 1993-09-07 Sanwa Kako Company Limited Method of producing open-cell foams of cross-linked polyolefins
WO1996025281A1 (en) * 1995-02-14 1996-08-22 Robert Michael Branger Polymeric foam preparation

Also Published As

Publication number Publication date
CA2202268A1 (en) 1996-04-18
AU3622295A (en) 1996-05-02
DE69525358D1 (de) 2002-03-21
DE69525358T2 (de) 2003-02-27
EP0785856B1 (en) 2002-02-06
WO1996011096A1 (en) 1996-04-18
AU707247B2 (en) 1999-07-08
US5955015A (en) 1999-09-21
CN1162944A (zh) 1997-10-22
EP0785856A1 (en) 1997-07-30
ATE212897T1 (de) 2002-02-15
JPH10507135A (ja) 1998-07-14
BR9509302A (pt) 1998-01-27
CN1088422C (zh) 2002-07-31

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