Carbide stem press fit into a steel body of a pick
US7669938B2 · kind B2 · utility
62Cited by
67References
19Claims
0Family size
Inventors
Key dates
| Filing date | Jul 6, 2007 |
| Grant date | Mar 2, 2010 |
| Priority date | — |
| Expiry date | Sep 15, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21C35/183
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In one aspect of the present invention, a high impact resistant tool, having a super hard material is 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 is formed in the base end of the carbide segment opposite the front end and the carbide stem is press fitted into bore of a steel body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.