Weld backing
US5449107A · kind A · utility
9Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 1994 |
| Grant date | Sep 12, 1995 |
| Priority date | — |
| Expiry date | Aug 3, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2103/12
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A reusable weld backing capable of withstanding long use, which is held against the underside of a workpiece to provide weld-metal support in full penetration welding, the weld backing comprising a substrate made from copper or a copper alloy; and a copper-aluminum alloy layer containing 9 to 23% by weight of aluminum and formed at least on the surface of the substrate, the surface being on the side which faces a weld zone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.