Method and machine for forge welding of tubular articles and exothermic flux mixture and method of manufacturing an exothermic flux mixture
US9561559B2 · kind B2 · utility
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32References
20Claims
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Key dates
| Filing date | Feb 22, 2013 |
| Grant date | Feb 7, 2017 |
| Priority date | — |
| Expiry date | Apr 18, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2101/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method of forge welding includes placing at least two components for welding together, adjacent each other and with an exothermic flux mixture placed between the components. The exothermic flux mixture is heated to initiate an exothermic reaction and the faying surfaces of the two components are pressed together. The components being welded may be tubular, in particular pipes. Apparatus for the method of forge welding and exothermic flux mixtures for the method of forge welding are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.