Continuous injection of an inert gas through a drill rig for drilling into potentially hazardous areas
Patent Application
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OSTI ID:588562
A drill rig for drilling in potentially hazardous areas includes a drill having conventional features such as a frame, a gear motor, gear box, and a drive. A hollow rotating shaft projects through the drive and frame. An auger, connected to the shaft is provided with a multiplicity of holes. An inert gas is supplied to the hollow shaft and directed from the rotating shaft to the holes in the auger. The inert gas flows down the hollow shaft, and then down the hollow auger, and out through the holes in the bottom of the auger into the potentially hazardous area.
- Research Organization:
- EG and G Rocky Flats, Inc., Golden, CO (United States)
- Sponsoring Organization:
- USDOE Assistant Secretary for Nuclear Energy, Washington, DC (United States)
- DOE Contract Number:
- AC07-76ID01570
- Assignee:
- INEEL; SCA: 422000; PA: EDB-98:039795; SN: 98001922727
- Patent Number(s):
- PATENTS-US-A8594967
- Application Number:
- ON: DE98004301; PAN: 8-594,967; TRN: 98:001754
- OSTI ID:
- 588562
- Resource Relation:
- Other Information: PBD: [1998]
- Country of Publication:
- United States
- Language:
- English
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