Non-rotating pick with a pressed in carbide segment
US8136887B2 · kind B2 · utility
51Cited by
102References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 12, 2007 |
| Grant date | Mar 20, 2012 |
| Priority date | — |
| Expiry date | Sep 15, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21C35/1833
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In one aspect of the present invention, a high impact resistant tool has a superhard material bonded to a cemented metal carbide substrate at a non-planar interface. The cemented metal carbide substrate is bonded to a front end of a cemented metal carbide segment. A stem formed in the base end of the carbide segment opposite the front end is press fit into a bore of a steel body. The steel body is rotationally fixed to a drum adapted to rotate about its axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.