Seal for a joint or juncture – Process of static sealing – Using flexible sleeve – boot – or diaphragm
Reexamination Certificate
2005-10-04
2005-10-04
Peavey, Enoch (Department: 3676)
Seal for a joint or juncture
Process of static sealing
Using flexible sleeve, boot, or diaphragm
C277S628000, C264S508000, C264S511000
Reexamination Certificate
active
06951336
ABSTRACT:
The present invention resides in a boot seal for use in sealing a joint. The joint comprises first and second relatively movable parts. The boot seal is configured in the form of a sleeve to extend between and around the vehicle relatively movable parts. The sleeve has a laminate wall which comprises at least two layers of thermoplastic elastomeric material which are bonded together. At least one of the layers is a stretch-toughenable polyester thermoplastic elastomer which has been diametrically stretched in an amount effective to increase the toughness of said one layer. The laminate wall has a percent elongation to rupture of at least 100, and a flexural modulus which is less than 100,000 psi. The laminate wall preferably has a puncture resistance of at least 50 Newtons/mm wall thickness.
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Publication by Eastman Chemical Company, ECDEL Elastomers, Products, and Packaging for the Medical Industry, Publication No. PPM-201B, dated Jan. 1999.
Peavey Enoch
Tarolli, Sundheim Covell & Tummino L.L.P.
TRW Inc.
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