ES2131212T3 - Procedimiento para producir articulos de espuma de particulas de polipropileno expandido (ppe). - Google Patents

Procedimiento para producir articulos de espuma de particulas de polipropileno expandido (ppe).

Info

Publication number
ES2131212T3
ES2131212T3 ES94927475T ES94927475T ES2131212T3 ES 2131212 T3 ES2131212 T3 ES 2131212T3 ES 94927475 T ES94927475 T ES 94927475T ES 94927475 T ES94927475 T ES 94927475T ES 2131212 T3 ES2131212 T3 ES 2131212T3
Authority
ES
Spain
Prior art keywords
mould
expanded polypropylene
ppe
procedure
steam
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
ES94927475T
Other languages
English (en)
Inventor
Rolf Hermann Simon
Dietmar Weidler
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.)
Mankiewicz Gebr and Co GmbH and Co KG
Plastal GmbH
Original Assignee
Mankiewicz Gebr and Co GmbH and Co KG
Dynamit Nobel Kunststoff GmbH
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 Mankiewicz Gebr and Co GmbH and Co KG, Dynamit Nobel Kunststoff GmbH filed Critical Mankiewicz Gebr and Co GmbH and Co KG
Application granted granted Critical
Publication of ES2131212T3 publication Critical patent/ES2131212T3/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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
    • 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
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
    • 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
    • B29C44/3415—Heating or cooling
    • B29C44/3426—Heating by introducing steam in the mould
    • B29C44/3434—Heating by introducing steam in the mould by using a sheet, grid, etc. to distribute the steam in the mould
    • 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
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/44—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form
    • B29C44/445—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length in solid form in the form of expandable granules, particles or beads

Abstract

LA INVENCION SE REFIERE A UN PROCEDIMIENTO PARA LA ELABORACION DE MOLDEADO DE MATERIAL ESPONJOSO DE POLIOLEFINAS, ESPECIALMENTE ARTICULOS DE PARTICULAS ESPONJOSAS (EPP) DE POLIPROPILENO EXPANDIDO MEDIANTE SOLDADURA DE LAS PARTICULAS ESPONJOSAS A TEMPERATURAS POR ENCIMA DE LA REGION DE REBLANDECIMIENTO DE LA POLIOLEFINA, UTILIZANDO UN DISPOSITIVO (1) QUE CONSISTE EN DOS MITADES (8,9) DE MOLDE QUE RODEAN EL PERFIL (2) DE MOLDEADO; EL RELLENADOR (5); LAS CAMARAS (6,7) DE VAPOR Y LAS TOBERAS (8,9) DE VAPOR, DONDE SE INSERTA UN COMPONENTE (10) DE MOLDE ADICIONAL CON UNA ESTRUCTURA PERFORADA DENTRO DEL PERFIL (2) DE MOLDEO SOPORTADO EN PARTICULAR SOBRE EL INTERIOR DE LA MITAD (3) DE MOLDE ALEJADA CON RESPECTO AL RELLENADOR (5) Y QUE ES PERMEABLE AL VAPOR Y LO DISTRIBUYE CON UNA ESTRUCTURA DE SUPERFICIE LO MAS UNIFORME POSIBLE. EL COMPONENTE (10) DE MOLDEO ES EN PARTICULAR UN TAMIZ, UNA REJILLA O UN VELLON.
ES94927475T 1993-09-24 1994-09-21 Procedimiento para producir articulos de espuma de particulas de polipropileno expandido (ppe). Expired - Lifetime ES2131212T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4332421 1993-09-24

Publications (1)

Publication Number Publication Date
ES2131212T3 true ES2131212T3 (es) 1999-07-16

Family

ID=6498445

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94927475T Expired - Lifetime ES2131212T3 (es) 1993-09-24 1994-09-21 Procedimiento para producir articulos de espuma de particulas de polipropileno expandido (ppe).

Country Status (6)

Country Link
EP (1) EP0720528B1 (es)
AT (1) ATE178261T1 (es)
CZ (1) CZ290618B6 (es)
DE (2) DE59408047D1 (es)
ES (1) ES2131212T3 (es)
WO (1) WO1995008433A1 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19744165C2 (de) * 1997-10-07 1999-12-02 Fraunhofer Ges Forschung Werkzeug zum Herstellen eines Partikelschaumstoff-Formkörpers und Verfahren zur Herstellung eines solchen Werkzeuges
FR2772300A1 (fr) * 1997-12-12 1999-06-18 Reydel Sa Procede de fabrication, par moulage, d'une piece en materiau expanse
DE19823415A1 (de) * 1998-05-26 1999-12-16 Behr Gmbh & Co Verfahren zum Herstellen eines Schaumstoffkörpers
DE19907279A1 (de) * 1999-02-21 2000-08-31 Gefinex Polymerschaeume Gmbh Formteilautomat zur Herstellung von Kunststoffschaumprodukten aus Beads
DE10003595C5 (de) * 2000-01-28 2012-10-11 Peguform Gmbh Kunststoffbauteil
DE10016671A1 (de) * 2000-04-04 2001-10-11 Gefinex Polymerschaeume Gmbh Kunststoffschaumprodukte aus Beads
EP1155799A1 (de) * 2000-05-18 2001-11-21 Jacob Formschaumtechnik GmbH, Kunststoff-Verarbeitung mit Formenbau Verfahren zur Herstellung eines aus Partikelschaum wie EPP oder EPS gebildeten Schaumkörpers in einem Formteilautomat
DE10120906A1 (de) * 2001-01-04 2002-07-18 Fagerdala Deutschland Gmbh Oberflächengestaltung von Sichtteilen
JP4869269B2 (ja) * 2008-03-10 2012-02-08 株式会社リコー 中空構造体の製造方法及び中空構造体製造用基板及び中空構造体製造装置
MX2015012357A (es) 2013-03-15 2016-04-28 Miller Herman Inc Componente de espuma en partículas que tiene una superficie texturizada.
DE102013005032A1 (de) 2013-03-25 2014-09-25 Burkhard Schmitz EPP-Formwerkzeug zur Herstellung von EPP-Formkörpern

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1944602A1 (de) * 1969-09-03 1971-03-04 Dynamit Nobel Ag Gussform zum Herstellen von Formteilen aus schaeumbarem Kunststoff
US4264544A (en) * 1973-10-02 1981-04-28 The Unisource Corporation Method of molding a rigid integral skin foamed resin product in a mold having a vented lid
EP0007321B1 (en) * 1978-07-28 1983-04-27 Armen Garabedian Method of making a stress free plastic article or weld and apparatus for carrying out said method
JPS6031580B2 (ja) * 1982-11-08 1985-07-23 保土谷化学工業株式会社 モ−ルド用ベント
DE3330826A1 (de) * 1983-08-26 1985-03-14 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von schaumstoff-formkoerpern aus polyolefinen
US4946363A (en) * 1988-07-20 1990-08-07 Union Carbide Chemicals And Plastics Company Inc. Mold and mold vent

Also Published As

Publication number Publication date
CZ290618B6 (cs) 2002-09-11
EP0720528B1 (de) 1999-03-31
DE59408047D1 (de) 1999-05-06
CZ85196A3 (en) 1996-09-11
DE4433579A1 (de) 1995-03-30
EP0720528A1 (de) 1996-07-10
WO1995008433A1 (de) 1995-03-30
ATE178261T1 (de) 1999-04-15

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