Patent ID: 8480092
Filing Date: 2013-07-09
Classification: B29C,F16J

Abstract:
1. A radial seal, comprising: a rigid casing; an elastomeric casing positioned interior of and bonded to said rigid casing, said elastomeric casing having an axial spring member which extends radially inwardly from and axially along said rigid casing, said axial spring member comprising a neck portion which extends from said elastomeric casing and a seal attachment portion that is attached to said neck portion and has a bonding surface; a pre-stressed fluoropolymer seal having an axial length with a bonding surface extending over the entirety of said axial length and an opposite sealing surface, and a bond extending over and joining the entirety of said bonding surface of the pre-stressed fluoropolymer seal to said bonding surface of said seal attachment portion, wherein said seal attachment portion is operative to provide sealing contact of the fluoropolymer seal along the entirety of said sealing surface when engaged with a mating surface of a shaft.