Cutting tool
US10195766B2 · kind B2 · utility
1Cited by
1References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 3, 2016 |
| Grant date | Feb 5, 2019 |
| Priority date | — |
| Expiry date | May 3, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21C35/183
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cutting tool is provided. The cutting tool comprises a tip, a body and a shank. The tip has a tip radius and a tip length. The body has a body radius and a body length between the shank and a recess portion along a longitudinal axis of the body. The recess portion comprises a wall which forms a recess with a depth into the body for retaining a major part of the tip length within the recess. The body radius at half the depth of the recess does not exceed two tip radiuses. The tip is made of a hard metal alloy with a hardness of at least 1300 HV50 and the body is made of a steel alloy with a hardness of at least 450 HV30.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.