Patent ID: 6093351
Filing Date: 2000-07-25
Classification: B29C,B29D,B60N,Y10S

Abstract:
A method for manufacturing a seat comprising a surface material and a cushioning body integrated in one with said surface material, wherein said cushioning body has a shape generally corresponding to an outline of the seat and is composed of a first cushioning body and a second cushioning body which underlies said first cushioning body, comprises steps of:introducing a liquid foamable mixture for forming said first cushioning body on a surface of the second cushioning body;facing at least a part of a back surface of said surface material to said liquid foamable mixture introduced on said surface of said second cushioning body; andpressurizing and compressing said liquid foamable mixture, which is introduced on said surface of said second cushioning body, together with said surface material between said second cushioning body and a pressure applying mold having a shape corresponding to a shape of a central portion of said seat and positioned above the surface material, when a gas reaction of said liquid foamable mixture has been completed but said liquid foamable mixture is still in an elastic flowing condition.