Device for charging a drilling device and drilling apparatus
US7735580B2 · kind B2 · utility
1Cited by
5References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2007 |
| Grant date | Jun 15, 2010 |
| Priority date | — |
| Expiry date | Sep 25, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/146
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention relates to a device for charging a drilling device of an earth or rock drilling apparatus with a double rod. The device has a rotatable revolver magazine, which is designed with double receiving spaces for receiving two tube parts that are inserted into one another.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.