Dynamic seal for rolling cutter drill bit

Details Dynamic seal for rolling cutter drill bit Dynamic seal for rolling cutter drill bit

1980-07-24

1981-12-22

Ward, Jr., Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 81R, 277 84, 277 92, 175359, 175371, 308 82, F16J 1538, E21B 910, E21B 935

Patent

active

043067271

ABSTRACT:
A dynamic seal is disclosed for sealing between a rotating cutter and a drill bit journal in an underground formation drilling bit, which seal utilizes a static elastomeric seal ring abutting a metal seal ring having a dynamic sealing face.

REFERENCES:
patent: 3765495 (1973-10-01), Murdoch et al.
patent: 4037673 (1977-07-01), Justman
patent: 4183542 (1980-01-01), Quartara

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