Corner-cutting mining assembly
Patent
·
OSTI ID:864675
- San Antonio, TX
A mining assembly includes a primary rotary cutter mounted on one end of a support shaft and four secondary rotary cutters carried on the same support shaft and positioned behind the primary cutters for cutting corners in the hole cut by the latter.
- DOE Contract Number:
- ET-78-C-01-3138
- Assignee:
- Bradley, John A. (San Antonio, TX)
- Patent Number(s):
- US 4400036
- OSTI ID:
- 864675
- Country of Publication:
- United States
- Language:
- English
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