Patent ID: 6124010
Filing Date: 2000-09-26
Classification: A41D,B29C,B29K,B29L,Y10T

Abstract:
A seam structure for connecting a first foam sheet and a second foam sheet to form an integrated foam sheet having even thickness, wherein each of said two foam sheets comprises a sheet body having a predetermined thickness made of foaming material and two fabric layers coated on two sides of said sheet body, said seam structure comprising:a base edge joint provided at an end edge of said first foam sheet, said base edge joint having a root portion and an end portion defining a base connection surface extended sidewardly from said root portion to said end portion; anda covering edge joint provided at an end edge of said second foam sheet, said covering edge joint having a root portion and an end portion defining a covering connection surface extended sidewardly from said root portion to said end portion thereof, wherein said covering connection surface is adapted to be sealingly adhered on said base connection surface so as to overlappingly connect said covering edge joint with said base edge joint.