Drilling tool with shock absorbers
US6102142A · kind A · utility
9Cited by
12References
19Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 22, 1997 |
| Grant date | Aug 15, 2000 |
| Priority date | — |
| Expiry date | Dec 22, 2017 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drilling tool including a drilling head equipped with cutting edges and fitted with several shock-absorption elements, of which at least one part is made of an elastomer material. Each shock-absorption element having a block incorporating one portion inserted inside a receptor housing formed on the tool surface, and a portion which projects outward beyond the receptor housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.