Welding machine for welding pre-weld flanges and slip-on flanges onto pipes
US4177371A · kind A · utility
4Cited by
2References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 14, 1977 |
| Grant date | Dec 4, 1979 |
| Priority date | — |
| Expiry date | Apr 14, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K9/028
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A welding machine for welding pre-weld flanges and slip-on flanges onto pipes which includes an upper welding station and a lower welding station for respectively welding a flange onto a pipe from the outside and the inside of the pipe. Both welding stations are as a unit supported by a stand.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.