F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
F16J 15/54 (2006.01) B29C 49/24 (2006.01) B60K 17/00 (2006.01) B62D 3/12 (2006.01) F16D 3/84 (2006.01) F16J 3/04 (2006.01) B29C 49/04 (2006.01)
Patent
CA 2083580
ABSTRACT OF THE DISCLOSURE A clamp attaches a blow-molded drive axle seal to an automobile drive axle. The seal has a generally tubular lip that can be inserted over the drive axle. The clamp comprises a band of heat-shrinkable polymer material adapted to surround the circumference of the lip and to clamp the lip to the first member upon heating the band. A groove around the circumference of the drive axle receives a pressure sensitive adhesive to bond the lip of the drive axle seal to the drive axle in a fluid sealing manner when the lip is clamped to the first member. The clamp may be made integral with the lip of the drive axle seal by making the drive axle seal from said polymer material, with the body of the seal made non heat- shrinkable, and the lip made heat-shrinkable by suitable treatment, e.g. gamma radiation. The heat-shrinkable polymer material is also adapted to completely surround the drive axle seal and to mechanically interlock with the seal upon heating the material. Since the material is capable of withstanding impacts by extraneous matter, it provides a protective coating for the seal. The polymer material and the seal may be formed and interlocked simultaneously in a blow molding process.
Bereskin & Parr
Salflex Polymers Ltd.
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