Shielded metal arc welding machine
US8716626B2 · kind B2 · utility
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3Claims
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Key dates
| Filing date | Aug 28, 2007 |
| Grant date | May 6, 2014 |
| Priority date | — |
| Expiry date | May 5, 2031 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K9/1012
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A shielded metal arc welding machine having a characteristic with a constant current output characteristic and a drooping output characteristic properly combined is provided. A shielded metal arc welding machine having a constant current output characteristic, characterized by having a desired drooping output characteristic, which has an optional drooping degree with a point at which a characteristic line of said constant current output characteristic intersects a welding load characteristic line L as a base point, and replaces said constant current output characteristic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.