Single torch-type plasma spray coating method and apparatus therefor
US4741286A · kind A · utility
46Cited by
6References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 1986 |
| Grant date | May 3, 1988 |
| Priority date | — |
| Expiry date | May 12, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C4/134
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A single torch-type plasma spray coating method wherein a gas flow in a nozzle of a plasma torch is made to be a laminer flow, thereby the plasma flame jetted from the end of the plasma torch is modified to be a laminer flow flame, the plasma is separated from the plasma flame which contains liquid droplets of molten spray coating material and runs toward an object to be worked by means for separating plasma arranged immediately before said object to be worked, and remaining droplets of molten spray coating material impinges on said object to form a coating film thereon, and an apparatus therefor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.