DE3513651C2 - - Google Patents

Info

Publication number
DE3513651C2
DE3513651C2 DE19853513651 DE3513651A DE3513651C2 DE 3513651 C2 DE3513651 C2 DE 3513651C2 DE 19853513651 DE19853513651 DE 19853513651 DE 3513651 A DE3513651 A DE 3513651A DE 3513651 C2 DE3513651 C2 DE 3513651C2
Authority
DE
Germany
Prior art keywords
foam
seat
mold
separating insert
insert
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
Application number
DE19853513651
Other languages
German (de)
English (en)
Other versions
DE3513651A1 (de
Inventor
Ken Minegishi
Yoshiaki Takamura
Kazuo Kawasaki Kanagawa Jp Suzuki
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.)
NHK Spring Co Ltd
Original Assignee
NHK Spring Co Ltd
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
Priority claimed from JP59076187A external-priority patent/JPS60219018A/ja
Priority claimed from JP59267479A external-priority patent/JPS61146289A/ja
Application filed by NHK Spring Co Ltd filed Critical NHK Spring Co Ltd
Publication of DE3513651A1 publication Critical patent/DE3513651A1/de
Application granted granted Critical
Publication of DE3513651C2 publication Critical patent/DE3513651C2/de
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/18—Seat parts having foamed material included in cushioning part
    • 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
    • B29C44/0469—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 provided with physical separators between the different materials, e.g. separating layers, mould walls
    • 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

Landscapes

  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
DE19853513651 1984-04-16 1985-04-16 Sitzkissen und verfahren zu dessen herstellung Granted DE3513651A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP59076187A JPS60219018A (ja) 1984-04-16 1984-04-16 積層クツシヨン体の製造方法
JP59267479A JPS61146289A (ja) 1984-12-20 1984-12-20 シ−トおよびシ−トクツシヨン体の製造方法

Publications (2)

Publication Number Publication Date
DE3513651A1 DE3513651A1 (de) 1985-11-21
DE3513651C2 true DE3513651C2 (US06811534-20041102-M00003.png) 1988-12-15

Family

ID=26417336

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853513651 Granted DE3513651A1 (de) 1984-04-16 1985-04-16 Sitzkissen und verfahren zu dessen herstellung

Country Status (3)

Country Link
DE (1) DE3513651A1 (US06811534-20041102-M00003.png)
FR (1) FR2562882B1 (US06811534-20041102-M00003.png)
GB (1) GB2157559B (US06811534-20041102-M00003.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10010508A1 (de) * 2000-03-07 2001-09-13 Coronet Werke Gmbh Reinigungs- oder Applikationsvorrichtung mit einem Schwammkörper und Verfahren zu dessen Herstellung
DE10038830A1 (de) * 2000-06-07 2001-12-20 Fehrer F S Gmbh & Co Kg Schaumstoffformteil, Verfahren und Vorrichtung zur Herstellung eines Schaumstoffformteils für ein Polsterelement

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62105612A (ja) * 1985-11-05 1987-05-16 Bridgestone Corp 積層構造を有する発泡体製品の製造方法
CA1309220C (en) * 1985-12-25 1992-10-27 Tetsuo Kita Process for producing laminated resin foam and mold therefor
GB8627815D0 (en) * 1986-11-20 1986-12-17 Bp Chem Int Ltd Preparing polyurethane foams
JPH07106167B2 (ja) * 1986-12-01 1995-11-15 株式会社ブリヂストン クツシヨン体
DE3739122A1 (de) * 1987-11-19 1989-06-01 Braun Pebra Gmbh Verfahren und vorrichtung zum herstellen von kunststoff-formteilen
US5000515A (en) * 1989-02-14 1991-03-19 Hoover Universal, Inc. Variable density foam vehicle seat
FR2722726B1 (fr) * 1994-07-21 1996-09-27 Faure Bertrand Equipements Sa Perfectionnements aux procedes et dispositifs de moulage de matelassures composites en mousse
GB2306910A (en) * 1995-11-13 1997-05-14 Stanton Rubber & Plastics Ltd Moulding articles having regions of differing hardness
US6503426B1 (en) * 2000-07-06 2003-01-07 David James Horwitz Process for making foam laminates
CN100398037C (zh) * 2001-11-26 2008-07-02 株式会社普利司通 车辆用座垫
EP1714584A1 (en) * 2005-04-20 2006-10-25 Proseat Method for manufacturing a foam cushion for a ventilated seat and a foam cushion produced by such a method
ES2367611B1 (es) * 2009-05-07 2012-09-13 Centro Tecnológico De Grupo Copo, S.L.U. Procedimiento de obtención de una pieza espumada , dispositivo para la puesta en práctica del mismo y pieza obtenida.
WO2018211743A1 (ja) * 2017-05-16 2018-11-22 株式会社ブリヂストン 発泡成形型、および発泡成形体の製造方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3393258A (en) * 1963-10-23 1968-07-16 Dayco Corp Method of molding unitary foam rubber articles
US3423490A (en) * 1964-03-02 1969-01-21 Dayco Corp Method of manufacturing unitary foam rubber articles
DE2118503C3 (de) * 1971-04-16 1979-02-01 Bayer Ag, 5090 Leverkusen Schäumform für die Herstellung von Schaumstoffkörpern, insbesondere auf Basis Polyurethan
JPS5344927B2 (US06811534-20041102-M00003.png) * 1971-08-28 1978-12-02
JPS4931922A (US06811534-20041102-M00003.png) * 1972-07-31 1974-03-23
JPS4937954A (US06811534-20041102-M00003.png) * 1972-08-16 1974-04-09
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
JPS5222403A (en) * 1975-08-13 1977-02-19 Seiko Epson Corp Hearing aid
DE3102140A1 (de) * 1981-01-23 1982-08-19 Bayer Ag, 5090 Leverkusen Formteil, insbesondere polster fuer fahrzeugsitze, aus polyurethanschaumstoff mit zonen unterschiedlicher eindruckhaerte und verfahren zu seiner herstellung
DE3327724A1 (de) * 1983-08-01 1985-02-14 Dunlop Ag, 6450 Hanau Verfahren und vorrichtung zur herstellung von polsterkoerpern aus formschaum

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10010508A1 (de) * 2000-03-07 2001-09-13 Coronet Werke Gmbh Reinigungs- oder Applikationsvorrichtung mit einem Schwammkörper und Verfahren zu dessen Herstellung
DE10038830A1 (de) * 2000-06-07 2001-12-20 Fehrer F S Gmbh & Co Kg Schaumstoffformteil, Verfahren und Vorrichtung zur Herstellung eines Schaumstoffformteils für ein Polsterelement
DE10038830C2 (de) * 2000-06-07 2002-08-08 Fehrer F S Gmbh & Co Kg Schaumstoffformteil, Verfahren und Vorrichtung zur Herstellung eines Schaumstoffformteils für ein Polsterelement

Also Published As

Publication number Publication date
FR2562882A1 (fr) 1985-10-18
GB8509749D0 (en) 1985-05-22
GB2157559B (en) 1987-05-20
GB2157559A (en) 1985-10-30
DE3513651A1 (de) 1985-11-21
FR2562882B1 (fr) 1989-11-17

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8125 Change of the main classification

Ipc: B29C 67/20

D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee