Spray deposition process
US6623808B1 · kind B1 · utility
3Cited by
4References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Feb 1, 2002 |
| Grant date | Sep 23, 2003 |
| Priority date | — |
| Expiry date | Feb 1, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C4/131
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A process for producing a metallic tool, mould, die or other body of significant thickness or a coating, the process comprising directing a spray (3, 4) comprising molten metallic droplets carried by a propelling gas toward an object surface (7) of a substrate or pattern (5) so as to build up a metallic deposit or coating comprising the mould, tool, die, body or coating on the object surface (7) of the substrate or pattern (5), wherein at one or more predetermined stages during spraying droplets of a relatively large mean size are sprayed and at one or more other stages droplets or a relatively smaller mean size are sprayed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.