Method of manufacturing a plasma torch eletrode
US5857888A · kind A · utility
8Cited by
11References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 28, 1996 |
| Grant date | Jan 12, 1999 |
| Priority date | — |
| Expiry date | Oct 28, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05H1/3442
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method of manufacturing an electrode to be used in a plasma torch includes the steps of providing an insert formed from an electrically-conductive, heat-resistant material, depositing a metal by physical vapor deposition to form a coating on the insert, the metal selected from the group consisting of silver, silver alloy, gold, and gold alloy, providing a holder having a surface with a recess formed therein to receive the insert, placing the insert into the recess, and securing the insert to the holder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.