Cable bolt head
US5829922A · kind A · utility
24Cited by
29References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 23, 1996 |
| Grant date | Nov 3, 1998 |
| Priority date | — |
| Expiry date | May 23, 2016 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D21/006
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A plurality of designs for mine roof bolts is disclosed. Each mine roof bolt includes a flexible multi-strand cable having a first and second end with a drivehead formed on the first end, the drivehead having a plurality of driving faces on an exterior surface thereof. The drivehead is a separate member. A barrel and wedge assembly is attached to the cable wherein the drivehead is utilized substantially for rotating the cable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.