Method of providing a degradation drum

Details Method of providing a degradation drum Method of providing a degradation drum

2011-01-04

2011-01-04

Kreck, John (Department: 3672)

Mining or in situ disintegration of hard material

Miscellaneous

Reexamination Certificate

active

07862126

ABSTRACT:
In one aspect of the invention a degradation drum comprises a generally cylindrical body comprising inner and outer diameters. At least one degradation assembly is disposed on the outer diameter and it comprises a holder and a pick shank secured within a bore of the holder. At least one lubricant reservoir is disposed within the inner diameter and is in fluid communication with the bore of the holder through a fluid pathway. In some embodiments, the lubricant reservoir maintains a fluid pressure on the pick shank.

REFERENCES:
patent: 5434775 (1995-07-01), Sims et al.
patent: 6485104 (2002-11-01), Keller
patent: 2003/0110667 (2003-06-01), Adachi et al.

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