Patent ID: 7179525
Filing Date: 2007-02-20
Classification: B29C,B29L,B32B,C09J,F16J,G01M,G01N,Y10T

Abstract:
1. A gasket comprising at least two laminate tapes each comprising a plurality of porous expanded polytetrafluoroethylene (ePTFE) layers, the laminate tapes comprising upper and lower laminate layers and two side surfaces which extend in a longitudinal direction of the laminate tapes between upper and lower laminate layers, and at least one substantially air impermeable layer, wherein the at least two laminate tapes are bonded along the side surfaces by the at least one substantially air impermeable layer which is positioned between two laminate tape side surfaces and extending substantially completely from the upper laminate layer to the lower laminate layer for the length of the laminate tapes.