Regulated electro-welding device
US6407370B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 26, 2001 |
| Grant date | Jun 18, 2002 |
| Priority date | — |
| Expiry date | Jan 26, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C65/3468
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An electro-welding device for electrically welding plastic elements together, comprising: a power source for having an AC current in circulation, an electrical converter AC/DC, heating means electrically connected to the converter for heating the weldable elements, electrical regulating means interposed between the electrical converter and the heating means, the electrical regulating means comprising switching means having successive electrically passing and electrically non-passing phases, the electrical regulating means being subjected to the switch-over rhythm of said switching means for generating a switched over electrical signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.