Title:
GUIDE FOR ATTACHMENT TO A ROOF BOLTER TO ALLOW FOR CORE DRILLING AND METHOD OF CORING
Document Type and Number:
WIPO Patent Application WO2001071148
Kind Code:
A3
Abstract:
The present disclosure provides a coring guide (50) for converting a mine roof bolter into apparatus suitable for guiding a coring rod, or drill, into a mine roof, as well as a method for obtaining a geological core from the mine roof using the guide. The guide includes a pair of jaws (52, 54), wherein each jaw has an adapter (52a, 54a) end and a pivotable end. The adapter end of each jaw includes a cavity (72a, 72b) that faces a cavity included in the adapter end of the other jaw, such that the closed jaws form at least a major portion of a cylindrical coring cavity that accommodates a coring rod (100).
Inventors:
PIERCE PAUL A (US)
Application Number:
PCT/US2001/008102
Publication Date:
January 10, 2002
Filing Date:
March 14, 2001
Export Citation:
Assignee:
US HEALTH (US)
PIERCE PAUL A (US)
PIERCE PAUL A (US)
International Classes:
E21B19/24; E21B25/00; E21D20/00; (IPC1-7): E21B19/24; E21B25/00; E21D20/00
Foreign References:
| US3441323A | 1969-04-29 | |||
| US2365683A | 1944-12-26 | |||
| US1614123A | 1927-01-11 | |||
| US1585668A | 1926-05-25 | |||
| US2365680A | 1944-12-26 | |||
| GB2071736A | 1981-09-23 | |||
| US1644026A | 1927-10-04 | |||
| US4420277A | 1983-12-13 | |||
| US3967686A | 1976-07-06 | |||
| GB2302890A | 1997-02-05 |
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