TW376363B - Process for manufacturing multilayered foam articles - Google Patents

Process for manufacturing multilayered foam articles

Info

Publication number
TW376363B
TW376363B TW087100648A TW87100648A TW376363B TW 376363 B TW376363 B TW 376363B TW 087100648 A TW087100648 A TW 087100648A TW 87100648 A TW87100648 A TW 87100648A TW 376363 B TW376363 B TW 376363B
Authority
TW
Taiwan
Prior art keywords
mold
foam formulation
liquid foam
liquid
formulation
Prior art date
Application number
TW087100648A
Other languages
English (en)
Inventor
Francois M Casati
Patrice Bocquel
Michael J Brown
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
Application granted granted Critical
Publication of TW376363B publication Critical patent/TW376363B/zh

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

Landscapes

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
TW087100648A 1996-12-10 1998-01-19 Process for manufacturing multilayered foam articles TW376363B (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
TW376363B true TW376363B (en) 1999-12-11

Family

ID=10804197

Family Applications (1)

Application Number Title Priority Date Filing Date
TW087100648A TW376363B (en) 1996-12-10 1998-01-19 Process for manufacturing multilayered foam articles

Country Status (17)

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

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
US6787078B2 (en) 2001-06-15 2004-09-07 Dow Global Technologies Inc. Process for producing a multi-layered foam article and articles produced therefrom
US20130125313A1 (en) * 2010-07-13 2013-05-23 Ryoko Yamasaki 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
WO2018077914A1 (en) 2016-10-28 2018-05-03 Covestro Deutschland Ag Method for producing a polyurethane foam molded article
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
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.
WO2020102871A1 (pt) * 2018-11-22 2020-05-28 Formtap Interni Sistemas Automotivos S/A Aperfeiçoamento introduzido em processo de obtenção de compósitos termo estruturais
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
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
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
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
GB9625594D0 (en) 1997-01-29
ATE219995T1 (de) 2002-07-15
CN1239914A (zh) 1999-12-29
KR20000069411A (ko) 2000-11-25
TR199901297T2 (xx) 2000-01-21
AU726439B2 (en) 2000-11-09
AR010750A1 (es) 2000-07-12
BR9713905A (pt) 2000-02-29
CA2273046A1 (en) 1998-06-18
AU7846198A (en) 1998-07-03
WO1998025748A1 (en) 1998-06-18
ES2175490T3 (es) 2002-11-16
JP2001505834A (ja) 2001-05-08
EP0946346A1 (en) 1999-10-06
US6358445B1 (en) 2002-03-19
ZA9710997B (en) 1999-06-08
EP0946346B1 (en) 2002-07-03
DE69713799T2 (de) 2002-10-17
DE69713799D1 (de) 2002-08-08

Similar Documents

Publication Publication Date Title
US4405681A (en) Foam article and method of preparation
TW376363B (en) Process for manufacturing multilayered foam articles
EP0251659A3 (en) Method for manufacturing multihardness foamed articles
KR930703140A (ko) 직물내 발포체(foam-in-fabric)제품의 제조방법
GB2197659A (en) Process for preparing polyurethane foams having zones of differing hardness
JPS63172614A (ja) 異なる弾性もしくは硬度の少なくとも２種のフオーム材、特にポリウレタンフオーム材を形成する流動性の反応混合物から成形部品、特にクツシヨンを製造する方法並びに側部フレームを有する自動車座席クツシヨンを製造するためのこの方法の使用
WO2001032392A8 (en) Process for manufacturing multilayered foam articles, and thus produced articles
CA2511527A1 (en) Polyurethane foam molding, method of producing the same, and seat pad for motor vehicle
GR3017620T3 (en) Rigid polyurethane foam and process for producing the same.
EP0220949A2 (en) Polyurethane spray foams
FR2272820A1 (en) FOAM PLASTIC VEHICLE CUSHIONS - with parts of differing softness
JPS63222813A (ja) クツシヨン、特に自動車用座席クツシヨンの製造方法
CA1313738C (en) Mold for skin covered foamed plastic molding
JPS61290013A (ja) 異硬度層を有するシ−トクツシヨンパツドの製造方法
JPS5619734A (en) Preparation of composite cushion body for sheet of seat and the like
GB1254993A (en) Method of producing moulded articles
JPS56160494A (en) Coldness maintaining layer structure for low-temperature tank
JPH046885Y2 (zh)
ES2138901A1 (es) Procedimiento continuo para la fabricacion de espumas de latez-poliuretano.
JPS54135864A (en) Manufacturing of thermoplastic resin foamed article
JPH0582803B2 (zh)
JPS56129148A (en) Production of board for construction
JPS5617233A (en) Production for cross-linked foam molded article having core portion
JPS57210832A (en) Manufacture for textile-like foamed decorative material
JPS5522958A (en) Molding method for soft polyurethane foam