Core breaker for ripper type miner
United States Patent 3279856
US Patent References:
/1005544.html
- - 1005544
/1276249.html
- - 1276249
Mining machine with cylindrical excavating head
- - 2692130
Continuous miner of the rotating drum type
- - 2808253
/1005544.html
- - 1005544
/1276249.html
- - 1276249
Mining machine with cylindrical excavating head
- - 2692130
Continuous miner of the rotating drum type
- - 2808253
Inventors:
Walter, Silks
Publication Date:
10/18/1966
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Export Citation:
Assignee:
WESTINGHOUSE AIR BRAKE CO
Primary Class:
Other Classes:
175/91
International Classes:
E02F3/20; E21C25/10; E02F3/18; E21C25/00
Foreign References:
| FR1134499A |