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Method of manufacturing a seat using adhesive

  • US 5,286,325 A
  • Filed: 08/20/1992
  • Issued: 02/15/1994
  • Est. Priority Date: 08/27/1991
  • Status: Expired due to Term
First Claim
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1. A method of manufacturing a seat comprising a bag shaped skin material, a cushioning pad and an inner region of a seat frame having a flexible member by bonding the bag shaped skin material and the cushioning pad to each other by using a reactive hot melt adhesive, wherein the method comprises the following steps:

  • coating an adhesive on one side of the cushioning pad,assembling a detachable press bonding plate to be positioned at the inner region of the seat frame,attaching the seat frame assembled with the press bonding plate to the cushioning pad,covering and provisionally assembling the bag shaped skin material to the adhesive coated surface of the cushioning pad,arranging the provisionally assembled bag shaped skin material, the cushioning pad and the seat frame on an arranging die,applying heat to the bag shaped skin material, the cushioning pad and the seat frame arranged on the arranging die by a heating die pressing from the side of the skin material,applying cooling under pressure after the heating step with a cooling die pressing from the surface of the skin material to the cushioning pad, anda step of detaching said press bonding plate from said seat frame after the cooling/press bonding step.

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