Reinforced elastomeric seal

Seal for a joint or juncture – Seal between relatively movable parts – Circumferential contact seal for other than piston

Reexamination Certificate

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Details

C277S576000

Reexamination Certificate

active

07658387

ABSTRACT:
A dynamic seal is provided which is made of a processable rubber composition containing a matrix of vulcanized elastomeric material with powder filler dispersed therein. In a preferred embodiment, the elastomeric material contains a micro powder which has repeating units derived from tetrafluoroethylene. The micro powder has a median particle size of between 1 and 50 μm.

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