Process for seam welding an overlapping sheet-metal seam
US5622637A · kind A · utility
9Cited by
7References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 17, 1995 |
| Grant date | Apr 22, 1997 |
| Priority date | — |
| Expiry date | May 17, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2101/04
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
In a seam welding process for overlapping sheets, in particular for welding can bodies, the welding force is momentarily reduced upon each insertion of a can body between the welding rollers. This keeps the welding pressure constant even at the start of a can body. In this way the power input to the sheet can be kept constant even at the start of a can body, and the weld quality even at the start of a can body satisfies requirements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.