Patent ID: 6514590
Filing Date: 2003-02-04
Classification: A41D,B29C,B29K,B32B,Y10T

Abstract:
A seam structure for connecting a first rubber sheet and a second rubber sheet to form an integrated rubber sheet having even thickness, wherein each of said two rubber sheets comprises a sheet body having a predetermined thickness, said seam structure comprising:a base edge joint having a L-shaped cross section provided at an end edge of said first rubber 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; and a covering edge joint having a L-shaped cross section provided at an end edge of said second rubber sheet, said covering edge 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 sealingly attached to said base connection surface so as to overlappingly connect said covering edge joint with said base edge joint, wherein each of said first and second rubber sheets further comprises a top fabric layer and a bottom fabric layer coated on a top side and a bottom side of said sheet body thereof.