Dynamic seal for rolling cutter drill bit

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

E - Fixed Constructions

21

B

255/78

E21B 10/22 (2006.01)

Patent

CA 1163626

ABSTRACT OF THE INVENTION A dynamic seal is disclosed for sealing between a ro- tating 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.

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