Ion-beam assisted deposition of inorganic coatings for...

Details Ion-beam assisted deposition of inorganic coatings for... Ion-beam assisted deposition of inorganic coatings for...

2006-07-11

2006-07-11

Neuder, William (Department: 3672)

Boring or penetrating the earth

Processes

C175S372000, C277S444000

Reexamination Certificate

active

07073611

ABSTRACT:
Elastomeric seals for use in drill bits on which an inorganic surface modification material has been deposited onto the surface of the elastomeric seals. Wear resistance of the seal at the dynamic surface is improved by providing support for the soft seal surface, by means of the inorganic atoms, against a harder surface.

REFERENCES:
patent: 5700546 (1997-12-01), Fujii et al.
patent: 6063244 (2000-05-01), Pinarbasi
patent: 2003/0062200 (2003-04-01), Blackman
patent: 2003/0104158 (2003-06-01), Gui et al.
patent: 2004/0237840 (2004-12-01), Yamamoto et al.

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