| Title of Invention | "METHOD AND DEVICE FOR ROCK BOLTING" |
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| Abstract | Method and device for rock bolting, wherein a tubular bolt (2) with closed cross-section is inserted and expanded for anchoring inside a bore hole (12), wherein the tubular bolt is expanded to contact in the inner portion of the bore hole, a tension element (3, 7, 8, 9) which is arranged in the outer portion of the bore hole with an inner part (7) attached to the tubular bolt (2) is pre-stressed and a settable medium is injected into the outer portion of the bore hole (14) between (27) the tension element and the wall of the bore hole and is allowed to set. |
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02019-kolnp-2005-description complete.pdf
02019-kolnp-2005-international publication.pdf
| Patent Number | 219938 | |||||||||
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| Indian Patent Application Number | 02019/KOLNP/2005 | |||||||||
| PG Journal Number | 20/2008 | |||||||||
| Publication Date | 16-May-2008 | |||||||||
| Grant Date | 14-May-2008 | |||||||||
| Date of Filing | 14-Oct-2005 | |||||||||
| Name of Patentee | ATLAS COPCO ROCK DRILLS AB | |||||||||
| Applicant Address | S-701 91 OREBRO, SWEDEN | |||||||||
Inventors:
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| PCT International Classification Number | E21D 20/00 | |||||||||
| PCT International Application Number | PCT/SE2004/000731 | |||||||||
| PCT International Filing date | 2004-05-12 | |||||||||
PCT Conventions:
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