C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 3/24 (2006.01) B29C 45/00 (2006.01) C08J 5/00 (2006.01) F16J 15/00 (2006.01) F16J 15/16 (2006.01) F16J 15/32 (2006.01) F16J 15/54 (2006.01)
Patent
CA 2494221
A dynamic seal assembly for installation between first and second relatively rotating members, comprising a ring for fixed engagement with said first member and an annular seal extending radially from said ring and configured to slidably engage said second member, wherein said radial seal has a thickness, and a length that is from about 1 to about 15 times greater than said thickness. In various embodiments, the seal is formed of a rubber composition comprising a vulcanized fluorocarbon elastomer dispersed in a matrix of a thermoplastic polymeric material. In various embodiments, the matrix forms a continuous phase and the vulcanized elastomeric material is in the form of particles forming a non- continuous phase. The compositions may be made by combining a curative, an uncured fluorocarbon elastomer, and a thermoplastic material, and heating the mixture to effect vulcanization of the elastomeric material, while applying mechanical energy.
Alajbegovic Vahidin
Berdichevsky Alexander
Park Edward Hosung
Freudenberg-Nok General Partnership
Macrae & Co.
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