Method of making tools having a core die and a cavity die
US6308765A · kind A · utility
12Cited by
10References
20Claims
0Family size
Inventors
Key dates
| Filing date | Nov 4, 1998 |
| Grant date | Oct 30, 2001 |
| Priority date | — |
| Expiry date | Nov 4, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C24/04
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention relates to a method of making a molding tool comprising a core die and a cavity die. The method comprises (a) providing a first metal deposit comprising one of the cavity die or the core die, the first metal deposit having a die face, (b) providing a spray forming pattern on a portion of the die face of the first metal deposit,(c) spraying metal particles onto the first metal deposit and the spray forming pattern to form a second metal deposit comprising the other of the cavity die or the core die, and (d) removing the spray forming pattern from the first and second metal deposits.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.