Antiextrusion device

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

C277S611000, C277S651000

Reexamination Certificate

active

07055829

ABSTRACT:
An elastomeric seal having an antiextrusion device molded integrally into or onto the low pressure side of the seal. The antiextrusion of a corrugated strip into an elastomeric seal. One embodiment of the invention has the strip positioned with the midplane of its corrugations normal to the mating seal surfaces and parallel to the midplane of the seal groove. Another embodiment of the invention has the midplane of the corrugations canted within the seal. The antiextrusion device is applicable to annular seal rings, linear seals, or seals of more complex configuration.

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