ZA878337B - A process for the production of moldings,more especially cushions,from at least two fluid reaction mixtures forming foams,more especially polyurethane foams,of different elasticity or hardness and the use of this process for the production of vehicle seat cushions having side webs - Google Patents

A process for the production of moldings,more especially cushions,from at least two fluid reaction mixtures forming foams,more especially polyurethane foams,of different elasticity or hardness and the use of this process for the production of vehicle seat cushions having side webs

Info

Publication number
ZA878337B
ZA878337B ZA878337A ZA878337A ZA878337B ZA 878337 B ZA878337 B ZA 878337B ZA 878337 A ZA878337 A ZA 878337A ZA 878337 A ZA878337 A ZA 878337A ZA 878337 B ZA878337 B ZA 878337B
Authority
ZA
South Africa
Prior art keywords
production
cushions
foams
moldings
hardness
Prior art date
Application number
ZA878337A
Inventor
Busch Ralf
Schoberth Winfried
Rasshofer Werner
Original Assignee
Bayer Aktiengesellschaft
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 Aktiengesellschaft filed Critical Bayer Aktiengesellschaft
Publication of ZA878337B publication Critical patent/ZA878337B/en

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
    • B29C44/0476—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 by pouring more than one composition into an open 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
    • B29C44/02—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
    • 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
ZA878337A 1986-11-08 1987-11-06 A process for the production of moldings,more especially cushions,from at least two fluid reaction mixtures forming foams,more especially polyurethane foams,of different elasticity or hardness and the use of this process for the production of vehicle seat cushions having side webs ZA878337B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19863638205 DE3638205A1 (en) 1986-11-08 1986-11-08 METHOD FOR PRODUCING MOLDED PARTS, ESPECIALLY UPHOLSTERY, FROM AT LEAST TWO FOAMS, IN PARTICULAR POLYURETHANE FOAMS, DIFFERENT ELASTICITY OR. HARDENING, FLOWABLE REACTION MIXTURES AND APPLICATION OF THIS METHOD FOR THE PRODUCTION OF VEHICLE SEAT PADS WITH SIDE CURVES

Publications (1)

Publication Number Publication Date
ZA878337B true ZA878337B (en) 1988-05-03

Family

ID=6313535

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA878337A ZA878337B (en) 1986-11-08 1987-11-06 A process for the production of moldings,more especially cushions,from at least two fluid reaction mixtures forming foams,more especially polyurethane foams,of different elasticity or hardness and the use of this process for the production of vehicle seat cushions having side webs

Country Status (9)

Country Link
EP (1) EP0267490B1 (en)
JP (1) JPS63172614A (en)
KR (1) KR880006037A (en)
AU (1) AU600042B2 (en)
BR (1) BR8705970A (en)
CA (1) CA1281866C (en)
DE (2) DE3638205A1 (en)
ES (1) ES2012793B3 (en)
ZA (1) ZA878337B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4755411A (en) * 1987-04-22 1988-07-05 Milsco Limited Cushion having flexible outer membrane and multi-density resilient foam member therein
DE3727131A1 (en) * 1987-08-14 1989-02-23 Bayer Ag METHOD FOR PRODUCING FOAM PADS FROM AT LEAST TWO FOAMS, ESPECIALLY POLYURETHANE FOAMS, DIFFERENT ELASTICITY OR. HARD EDUCATIONAL, FLOWABLE, ACCORDINGLY DIFFERENT REACTION MIXTURES
DE3727129A1 (en) * 1987-08-14 1989-02-23 Bayer Ag METHOD FOR PRODUCING FOAM PADS FROM AT LEAST TWO FOAMS, ESPECIALLY POLYURETHANE FOAMS, DIFFERENT ELASTICITY OR. HARD EDUCATIONAL, FLOWABLE, ACCORDINGLY DIFFERENT REACTION MIXTURES
GB8827280D0 (en) * 1988-11-22 1988-12-29 Bp Chem Int Ltd Process for making polyurethane foam
GB8906297D0 (en) * 1989-03-18 1989-05-04 Bp Chem Int Ltd Process for preparing multihardness foam articles
US5244612A (en) * 1989-12-08 1993-09-14 Bridgestone Corporation Method for molding polyurethane seat paddings
DE4002067A1 (en) * 1990-01-25 1991-08-14 Basf Ag LAMINATES WITH IMPROVED EDGE STABILITY
GB9625594D0 (en) 1996-12-10 1997-01-29 Polyol Int Bv Process for manufacturing multilayered foam articles
DE19751091A1 (en) * 1997-11-18 1999-05-20 Bayerische Motoren Werke Ag Vehicle seat with modular upholstery
WO2009105059A1 (en) * 2008-02-19 2009-08-27 Johnson Controls Technology Company Foam cushion
US10011058B2 (en) * 2011-11-28 2018-07-03 Ford Global Technologies, Llc Dual firmness head restraint
US9420891B2 (en) * 2013-11-29 2016-08-23 Zinus, Inc. Foam furniture molded around a rigid foam core
DE102013020488A1 (en) * 2013-12-11 2015-06-11 Heyform Bramsche Gmbh Method for producing a sandwich composite component
JP6971519B2 (en) * 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 Manufacturing method of polyurethane foam molded products
AT519381A2 (en) * 2016-11-24 2018-06-15 Fill Gmbh Process for producing a shaped body

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1014232B (en) * 1974-05-28 1977-04-20 Stars Spa PROCEDURE FOR THE MANUFACTURING OF AN EXPANDED SYNTHETIC RESIN PADDING FOR PARTICULARLY SEATS OF MOTOR VEHICLES
DD113475A1 (en) * 1974-06-25 1975-06-12
US4073020A (en) * 1976-04-19 1978-02-14 The Goodyear Tire & Rubber Company Contoured foam mattress
CA1194660A (en) * 1981-06-27 1985-10-08 Rudolf J. Tenhagen Process for making polyurethane foam
GB8616132D0 (en) * 1986-07-02 1986-08-06 Bp Chem Int Ltd Polyurethane foams

Also Published As

Publication number Publication date
DE3638205A1 (en) 1988-05-11
AU8069087A (en) 1988-05-12
CA1281866C (en) 1991-03-26
AU600042B2 (en) 1990-08-02
KR880006037A (en) 1988-07-21
JPS63172614A (en) 1988-07-16
ES2012793B3 (en) 1990-04-16
BR8705970A (en) 1988-06-14
EP0267490B1 (en) 1989-12-20
DE3761189D1 (en) 1990-01-25
EP0267490A1 (en) 1988-05-18

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