Welding torch
US9278405B2 · kind B2 · utility
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1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 2012 |
| Grant date | Mar 8, 2016 |
| Priority date | — |
| Expiry date | Nov 27, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K35/0294
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
In a multi-electrode welding torch, electrodes (2) are configured into a shape that has an arc-shaped curved surface area (R) in at least a portion of a cross-section thereof that is orthogonal to the longitudinal direction thereof. Collets (4) are each provided with a groove portion (4a) in which an electrode (2) is fitted, and whose inner wall surfaces (4b) come into contact in a plurality of locations with the curved surface area (R) when viewed in the longitudinal direction of the electrode (2).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.