ZA9710997B - Process for manufacturing multilayered from articles - Google Patents

Process for manufacturing multilayered from articles

Info

Publication number
ZA9710997B
ZA9710997B ZA9710997A ZA9710997A ZA9710997B ZA 9710997 B ZA9710997 B ZA 9710997B ZA 9710997 A ZA9710997 A ZA 9710997A ZA 9710997 A ZA9710997 A ZA 9710997A ZA 9710997 B ZA9710997 B ZA 9710997B
Authority
ZA
South Africa
Prior art keywords
articles
manufacturing multilayered
multilayered
manufacturing
Prior art date
Application number
ZA9710997A
Other languages
English (en)
Inventor
Francois M Casati
Patrice Bocquel
Michael J Brown
Original Assignee
Polyol Int Bv
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 Polyol Int Bv filed Critical Polyol Int Bv
Publication of ZA9710997B publication Critical patent/ZA9710997B/xx

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
    • B29C44/04—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • 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
    • B29C44/04—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0461—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities by having different chemical compositions in different places, e.g. having different concentrations of foaming agent, feeding one composition after the other
    • 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
    • B29C44/388—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length into moving moulds
ZA9710997A 1996-12-10 1997-12-08 Process for manufacturing multilayered from articles ZA9710997B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9625594.8A GB9625594D0 (en) 1996-12-10 1996-12-10 Process for manufacturing multilayered foam articles

Publications (1)

Publication Number Publication Date
ZA9710997B true ZA9710997B (en) 1999-06-08

Family

ID=10804197

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9710997A ZA9710997B (en) 1996-12-10 1997-12-08 Process for manufacturing multilayered from articles

Country Status (17)

Country Link
US (1) US6358445B1 (de)
EP (1) EP0946346B1 (de)
JP (1) JP2001505834A (de)
KR (1) KR20000069411A (de)
CN (1) CN1239914A (de)
AR (1) AR010750A1 (de)
AT (1) ATE219995T1 (de)
AU (1) AU726439B2 (de)
BR (1) BR9713905A (de)
CA (1) CA2273046A1 (de)
DE (1) DE69713799T2 (de)
ES (1) ES2175490T3 (de)
GB (1) GB9625594D0 (de)
TR (1) TR199901297T2 (de)
TW (1) TW376363B (de)
WO (1) WO1998025748A1 (de)
ZA (1) ZA9710997B (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001032392A1 (en) * 1999-10-29 2001-05-10 The Dow Chemical Company Process for manufacturing multilayered foam articles, and thus produced articles
US6635688B2 (en) * 2000-06-28 2003-10-21 World Properties, Inc. Composite polyurethane foams and method of manufacture thereof
FR2818187B1 (fr) * 2000-12-20 2003-08-15 Cera Procede de fabrication d'un element de siege et element de siege ainsi fabrique
CN1240537C (zh) 2001-06-15 2006-02-08 陶氏环球技术公司 多层泡沫制品的制造方法以及由其制成的制品
CA2804637C (en) * 2010-07-13 2016-06-21 Johnson Controls Technology Company System and method of forming variable density seating materials
US10011058B2 (en) * 2011-11-28 2018-07-03 Ford Global Technologies, Llc Dual firmness head restraint
DE102013020488A1 (de) * 2013-12-11 2015-06-11 Heyform Bramsche Gmbh Verfahren zum Herstellen eines Sandwich-Verbundbauteils
JP6971519B2 (ja) * 2016-10-28 2021-11-24 コベストロ、ドイチュラント、アクチエンゲゼルシャフトCovestro Deutschland Ag ポリウレタンフォーム成形品の製造方法
WO2018077914A1 (en) 2016-10-28 2018-05-03 Covestro Deutschland Ag Method for producing a polyurethane foam molded article
IT201700019731A1 (it) * 2017-02-22 2018-08-22 Sapa S R L Metodo multifase di produzione di una cover composita insonorizzata per motori a combustione interna e prodotto così ottenuto.
PT2020102871B (pt) * 2018-11-22 2023-05-30 Formtap Interni Sist Automotivos S/A Processo de obtenção de compósitos termoestruturais
CN113754852A (zh) 2020-06-05 2021-12-07 科思创德国股份有限公司 制备硬质聚氨酯泡沫的方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4073839A (en) 1976-04-19 1978-02-14 The Goodyear Tire & Rubber Company Method of zone pouring foam products
US4190697A (en) * 1979-01-15 1980-02-26 Milsco Manufacturing Company Multidensity foam article and method of preparation
US4405681A (en) * 1983-01-20 1983-09-20 Milsco Manufacturing Company Foam article and method of preparation
JPS6313718A (ja) * 1986-07-04 1988-01-21 Nanba Press Kogyo Kk 多層異硬度発泡体の製造方法
DE3638205A1 (de) 1986-11-08 1988-05-11 Bayer Ag Verfahren zum herstellen von formteilen, insbesondere polstern, aus mindestens zwei schaumstoffe, insbesondere polyurethan-schaumstoffe, unterschiedlicher elastizitaet bzw. haerte bildenden, fliessfaehigen reaktionsgemischen und anwendung dieses verfahrens fuer die herstellung von fahrzeugsitzpolstern mit seitlichen wangen
DE3727131A1 (de) * 1987-08-14 1989-02-23 Bayer Ag Verfahren zum herstellen von schaumstoffpolstern aus mindestens zwei schaumstoffe, insbesondere polyurethan-schaumstoffe, unterschiedlicher elastizitaet bzw. haerte bildenden, fliessfaehigen, entsprechend unterschiedlichen reaktionsgemischen
DE3727129A1 (de) * 1987-08-14 1989-02-23 Bayer Ag Verfahren zum herstellen von schaumstoffpolstern aus mindestens zwei schaumstoffe, insbesondere polyurethan-schaumstoffe, unterschiedlicher elastizitaet bzw. haerte bildenden, fliessfaehigen, entsprechend unterschiedlichen reaktionsgemischen
GB8911457D0 (en) * 1989-05-18 1989-07-05 Bp Chem Int Ltd Process for preparing multihardness foam articles
GB2233926A (en) 1989-06-29 1991-01-23 Bp Chem Int Ltd Process for producing multihardness foamed articles

Also Published As

Publication number Publication date
EP0946346A1 (de) 1999-10-06
EP0946346B1 (de) 2002-07-03
WO1998025748A1 (en) 1998-06-18
ES2175490T3 (es) 2002-11-16
ATE219995T1 (de) 2002-07-15
US6358445B1 (en) 2002-03-19
CA2273046A1 (en) 1998-06-18
DE69713799D1 (de) 2002-08-08
KR20000069411A (ko) 2000-11-25
TW376363B (en) 1999-12-11
DE69713799T2 (de) 2002-10-17
AU726439B2 (en) 2000-11-09
JP2001505834A (ja) 2001-05-08
AR010750A1 (es) 2000-07-12
GB9625594D0 (en) 1997-01-29
CN1239914A (zh) 1999-12-29
BR9713905A (pt) 2000-02-29
TR199901297T2 (xx) 2000-01-21
AU7846198A (en) 1998-07-03

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