Adapter member of a rock anchor
US7909338B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 30, 2007 |
| Grant date | Mar 22, 2011 |
| Priority date | — |
| Expiry date | Jan 21, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T279/3493
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An adapter member for connecting a self-drilling rock anchor (1; 31; 69) with a chuck (6) of a drilling tool, includes a sleeve-shaped section (17; 37) having a bottom (20; 40; 60; 80) provided at an end (19; 39) of the sleeve-shaped section (17; 37) for forming a receiving space (21) for connection with an end (4; 34) of the rock anchor (1; 31; 69), and a seal (23; 43; 63; 83) arranged in a region of the bottom (20; 40; 60; 80) and extending from the receiving space (21) to at least a plane (E1; E2; E3; E4) defined by the bottom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.