Lubricated pick

Details Lubricated pick Lubricated pick

2007-04-30

2008-12-30

Kreck, John (Department: 3672)

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

C299S081100, C299S106000

Reexamination Certificate

active

07469971

ABSTRACT:
In one aspect of the invention, a degradation assembly has a holder attached to a driving mechanism and comprising a longitudinal central bore. The bore has an opening at a distal end from the driving mechanism. The pick has a body intermediate a shank and an impact tip, the shank being disposed in the central bore of the holder and the body extending from the opening of the bore. The impact tip has a diamond surface. The degradation assembly also has a lubrication mechanism adapted to apply lubrication to the shank.

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