Electric arc welding machine and operating method with modular unit enclosing cooling unit
US8188405B2 · kind B2 · utility
6Cited by
22References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2005 |
| Grant date | May 29, 2012 |
| Priority date | — |
| Expiry date | May 17, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K37/003
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A welding machine has a welding unit for generating a welding voltage/current, and at least one welding tool connectable to the welding unit by a cable. The welding unit has a closed protective casing, and a cooling unit for cooling the welding tool and/or cable on command. A modular unit containing the cooling unit is insertable and easily removable from inside the casing and is closed for protection of the welding unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.