Thermal spray coating method and apparatus
US5844192A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 9, 1996 |
| Grant date | Dec 1, 1998 |
| Priority date | — |
| Expiry date | May 9, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05H1/30
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A thermal spray method and apparatus for applying a coating on to a substrate is provided comprising the steps of: (1) providing powder particles to be deposited on to the substrate; (2) providing a plasma spray apparatus for depositing the powder particles; (3) providing structure for preheating the powder particles prior to the particles entering the plume; (4) preheating the powder particles prior to entraining the particles within the plasma; and (5) depositing the molten powder particles on to the substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.