Mine tools utilizing copper-manganese nickel brazing alloys
US4389074A · kind A · utility
15Cited by
4References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 18, 1981 |
| Grant date | Jun 21, 1983 |
| Priority date | — |
| Expiry date | Nov 18, 2001 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21C35/1835
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A mine tool having an improved braze strength consists of a ferrous metal body and a cemented carbide insert brazed to the body with a brazing alloy of 40% to 70% copper, 25 to 45% manganese and 5 to 15% nickel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.