Method and apparatus for generating welding pressure in a roller seam welding machine
US5951885A · kind A · utility
7Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 1, 1997 |
| Grant date | Sep 14, 1999 |
| Priority date | — |
| Expiry date | May 1, 2017 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2101/045
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
In a roller seam welding machine, the upper welding roller is led through a welding-force adjustment device with two spring elements. One spring is already effective when the initial deflection of the welding roller occurs. The other spring comes into operation only when a certain deflection (D) is reached. A marked improvement in weld quality can be obtained in this way, particularly at the start of the weld seam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.