ES2014504B3 - Procedimiento para fabricacion de almohadillas de espuma de al menos dos materiales espumosos, especialmente material espumoso de poliuretano, formando diferente elasticidad o dureza, fluibles, correspondientes a las diferentes mezclas de reaccion - Google Patents

Procedimiento para fabricacion de almohadillas de espuma de al menos dos materiales espumosos, especialmente material espumoso de poliuretano, formando diferente elasticidad o dureza, fluibles, correspondientes a las diferentes mezclas de reaccion

Info

Publication number
ES2014504B3
ES2014504B3 ES88112490T ES88112490T ES2014504B3 ES 2014504 B3 ES2014504 B3 ES 2014504B3 ES 88112490 T ES88112490 T ES 88112490T ES 88112490 T ES88112490 T ES 88112490T ES 2014504 B3 ES2014504 B3 ES 2014504B3
Authority
ES
Spain
Prior art keywords
foamy
flowable
hardness
procedure
manufacture
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
ES88112490T
Other languages
English (en)
Inventor
Martin Brock
Ralf Busch
Ralf Pohlig
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Application granted granted Critical
Publication of ES2014504B3 publication Critical patent/ES2014504B3/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
    • B29C44/04—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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/58—Upholstery or cushions, e.g. vehicle upholstery or interior padding
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/751—Mattresses, cushions
ES88112490T 1987-08-14 1988-08-01 Procedimiento para fabricacion de almohadillas de espuma de al menos dos materiales espumosos, especialmente material espumoso de poliuretano, formando diferente elasticidad o dureza, fluibles, correspondientes a las diferentes mezclas de reaccion Expired - Lifetime ES2014504B3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873727129 DE3727129A1 (de) 1987-08-14 1987-08-14 Verfahren zum herstellen von schaumstoffpolstern aus mindestens zwei schaumstoffe, insbesondere polyurethan-schaumstoffe, unterschiedlicher elastizitaet bzw. haerte bildenden, fliessfaehigen, entsprechend unterschiedlichen reaktionsgemischen

Publications (1)

Publication Number Publication Date
ES2014504B3 true ES2014504B3 (es) 1990-07-16

Family

ID=6333758

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88112490T Expired - Lifetime ES2014504B3 (es) 1987-08-14 1988-08-01 Procedimiento para fabricacion de almohadillas de espuma de al menos dos materiales espumosos, especialmente material espumoso de poliuretano, formando diferente elasticidad o dureza, fluibles, correspondientes a las diferentes mezclas de reaccion

Country Status (6)

Country Link
US (1) US5019304A (es)
EP (1) EP0303883B1 (es)
JP (1) JPH01163022A (es)
CA (1) CA1298947C (es)
DE (2) DE3727129A1 (es)
ES (1) ES2014504B3 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9625594D0 (en) * 1996-12-10 1997-01-29 Polyol Int Bv Process for manufacturing multilayered foam articles
ITMI20110632A1 (it) * 2011-04-14 2012-10-15 Sapsa Bedding Srl Procedimento per la fabbricazione di una schiuma composita
US11571843B2 (en) * 2017-05-16 2023-02-07 Archem Inc. Foam molding mold and method for manufacturing foam molding body

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO131636C (es) * 1970-09-01 1975-07-02 Unifoam Ag
IT1014232B (it) * 1974-05-28 1977-04-20 Stars Spa Procedimento per la fabbricazione di un imbottitura di resina sinte tica espansa per sedili partico larmente di autoveicoli
JPS52112665A (en) * 1976-03-17 1977-09-21 Bridgestone Tire Co Ltd Polyurethane foammmoulding by hot comression
US4190697A (en) * 1979-01-15 1980-02-26 Milsco Manufacturing Company Multidensity foam article and method of preparation
CA1194660A (en) * 1981-06-27 1985-10-08 Rudolf J. Tenhagen Process for making polyurethane foam
US4405681A (en) * 1983-01-20 1983-09-20 Milsco Manufacturing Company Foam article and method of preparation
GB2161375A (en) * 1984-07-09 1986-01-15 Milsco Mfg Co Composite foam-seat cushion and method of preparation
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

Also Published As

Publication number Publication date
CA1298947C (en) 1992-04-21
EP0303883B1 (de) 1990-03-21
EP0303883A1 (de) 1989-02-22
US5019304A (en) 1991-05-28
DE3727129A1 (de) 1989-02-23
JPH01163022A (ja) 1989-06-27
DE3860059D1 (de) 1990-04-26

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