EP0100698B1 - Siège monocoque à garniture et matelassure intégrées et son procédé de fabrication - Google Patents

Siège monocoque à garniture et matelassure intégrées et son procédé de fabrication Download PDF

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Publication number
EP0100698B1
EP0100698B1 EP19830401302 EP83401302A EP0100698B1 EP 0100698 B1 EP0100698 B1 EP 0100698B1 EP 19830401302 EP19830401302 EP 19830401302 EP 83401302 A EP83401302 A EP 83401302A EP 0100698 B1 EP0100698 B1 EP 0100698B1
Authority
EP
European Patent Office
Prior art keywords
shell
padding
inserts
seat
mold
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
EP19830401302
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0100698A2 (fr
EP0100698A3 (en
Inventor
Michel Baille
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.)
Automobiles Peugeot SA
Automobiles Citroen SA
Original Assignee
Automobiles Peugeot SA
Automobiles Citroen SA
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 Automobiles Peugeot SA, Automobiles Citroen SA filed Critical Automobiles Peugeot SA
Publication of EP0100698A2 publication Critical patent/EP0100698A2/fr
Publication of EP0100698A3 publication Critical patent/EP0100698A3/fr
Application granted granted Critical
Publication of EP0100698B1 publication Critical patent/EP0100698B1/fr
Expired legal-status Critical Current

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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
    • A47C7/185—Seat parts having foamed material included in cushioning part with a stiff, rigid support

Definitions

  • the present invention relates to a vehicle seat comprising a shell, a decorative lining, a padding interposed between the shell and the lining, and inserts integral with the shell and used for fixing the seat on the vehicle.
  • the padding is placed on the shell while the lining is placed on the padding and fixed by its edges to the shell. Annoying slips between these elements can occur.
  • the present invention relates to a seat of the above type, characterized in that the lining, the padding and the inserts are an integral part of the shell, a fastening fabric being interposed between the padding and the shell.
  • the present invention also relates to a method of manufacturing this seat.
  • This process is characterized in that the padding is formed by injecting a foam between the lining and the hanging fabric, and in that the shell is formed by extrusion and blowing on the hanging fabric.
  • the formation of the padding can take place before that of the shell.
  • the shell is formed in a mold in which the assembly consisting of the lining, the padding and the hanging fabric has previously been placed.
  • the formation of the padding can also take place after that of the shell.
  • the shell is formed in a mold in which a cap has been placed consisting of the lining and the hanging fabric previously assembled to one another.
  • the inserts can be fixed to the shell by placing these inserts in the bottom of the mold in which the shell is formed. They can also be fixed after formation of the shell by microfusion of the corresponding surfaces of the inserts and of the shell.
  • the seat has a padding 1 made of synthetic foam, for example polyurethane foam, which is interposed between an outer lining 2 and a hanging fabric 3, the assembly being an integral part of a blown shell 4 made for example of copolymer polypropylene or of medium density polyethylene.
  • the upper part 4a of the seat area of the shell has a decreasing thickness from its longitudinal edge towards the center, thus constituting a flexible fabric accompanying the foam 1 in its crushing and playing the role of elastic base.
  • the lower part 4b of this zone has studs 4c which limit the bending of the central portion of this part 4a and limit the sinking of the seat.
  • the shell 4 includes inserts used for fixing the seat to the vehicle and made of the same material as the shell, but reinforced with synthetic fibers. In the embodiment shown, these inserts are constituted by an external half-slide 5 and by a plate 6 which is provided on the internal side of the seat and on which supports 7 are fixed for a central slide 8.
  • the inserts 5 and 6 are an integral part of the shell.
  • the lining 2 and the hanging fabric 3 are made to overflow relative to the padding, as indicated in 2a and 3a.
  • the edges of the fabrics 2 and 3 are bonded beforehand by stitching or by high-frequency welding.
  • the flexible part thus formed is placed in a mold comprising a matrix 11 and a punch 12, while maintaining the edges 2a and 3a of the fabrics in a sidewall clamp 13 (FIG. 6).
  • the exterior profile of the punch 12 corresponds to the exterior profile desired for the exterior face of the shell.
  • the profile of the bottom of the matrix 11 corresponds to the profile that takes the external face of the flexible part when it is compressed under a pressure equal to the injection pressure of the shell, for example five bars, its internal face being fixed. This profile is indicated at 14 in Figure 5.
  • the die 11 and the punch 12 have on their edges cutting blades 11a and 12a respectively.
  • the inserts 5 and 6 are blocked in the mold at the places they must occupy on the shell.
  • the shell 4 is then extruded and blown into the mold 11-12.
  • the foam 1 is compressed by the blown material in the pasty state until the balance between the blowing pressure and the compression of the foam (FIG. 7).
  • the foam 1 On demolding, the blown material being hardened, the foam 1 returns to its initial shape ( Figure 8). The blades 11a and 12a cut the edges of the fabrics 2 and 3 which protruded from the foam. The seat is thus finished and ready to equip a motor vehicle.
  • the inserts 5 and 6 can be placed after the shell has been formed by microfusion of the plastic by the mirror process.
  • the insert is pressed onto the shell with the interposition of a hot wall, which melts the surfaces of the insert and the shell to the wall upright, this wall is removed and the insert is pressed. on the hull.
  • a cap comprising the lining 2 and the attachment fabric 3, the edges of the two fabrics being joined together by stitching and high frequency welding.
  • the shell 4 is formed by extrusion and blowing in a mold similar to the mold 11-12 by placing the cover at the bottom of the mold and holding it by the sidewall clamp 13; the profile of this mold corresponds to that desired by the shell.
  • the inserts 5 and 6 are placed on the shell by microfusion of the plastic by the mirror process. It only remains to inject the synthetic foam 1 between the lining 2 and the attachment fabric 3 in a mold comprising a matrix 15 and a punch 15 (FIG. 9).
  • the profile of the die 15 is that of the external shape desired for the padding 1 while the punch 16 has the shape of the outside face of the shell 4.

Landscapes

  • Seats For Vehicles (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
EP19830401302 1982-07-06 1983-06-23 Siège monocoque à garniture et matelassure intégrées et son procédé de fabrication Expired EP0100698B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8212149 1982-07-06
FR8212149A FR2529842A1 (fr) 1982-07-06 1982-07-06 Siege monocoque a garniture et matelassure integrees et son procede de fabrication

Publications (3)

Publication Number Publication Date
EP0100698A2 EP0100698A2 (fr) 1984-02-15
EP0100698A3 EP0100698A3 (en) 1985-04-10
EP0100698B1 true EP0100698B1 (fr) 1987-03-25

Family

ID=9275883

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19830401302 Expired EP0100698B1 (fr) 1982-07-06 1983-06-23 Siège monocoque à garniture et matelassure intégrées et son procédé de fabrication

Country Status (3)

Country Link
EP (1) EP0100698B1 (enExample)
DE (1) DE3370439D1 (enExample)
FR (1) FR2529842A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3421078A1 (de) * 1983-06-28 1985-02-07 Aisin Seiki K.K., Kariya, Aichi Fahrzeugsitz
IT212716Z2 (it) 1987-10-29 1989-08-28 Stars Spa Struttura di sedile particolarmente per autoveicoli costituito da una struttura di materiale plastico e riporto morbido a rapido assemblaggio
DE19736839A1 (de) * 1997-08-23 1999-02-25 Volkswagen Ag Deformationsstruktur für den Insassenschutz in Fahrzeugen
DE102010036798B4 (de) * 2010-08-02 2022-09-29 Kokinetics Gmbh Sitzteil
DE102022122623A1 (de) * 2022-09-06 2024-03-07 Kristof Hock "Sitzeinrichtung mit einem mit Luft gefüllten Sitzkissen"

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB998571A (en) * 1960-11-09 1965-07-14 Parker Knoll Ltd Improvements in or relating to upholstery
FR1496282A (fr) * 1966-10-07 1967-09-29 Siège moulé et procédé pour sa fabrication

Also Published As

Publication number Publication date
FR2529842A1 (fr) 1984-01-13
DE3370439D1 (en) 1987-04-30
FR2529842B1 (enExample) 1984-12-21
EP0100698A2 (fr) 1984-02-15
EP0100698A3 (en) 1985-04-10

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