Powder-blasting method
US6048670A · kind A · utility
1Cited by
4References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 12, 1997 |
| Grant date | Apr 11, 2000 |
| Priority date | — |
| Expiry date | Nov 12, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03F7/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Method of providing a pattern of apertures and/or cavities in a plate of material which is suitable for powder blasting, or of cutting pieces from a plate (2) of such a material by means of powder blasting, using a non-metal layer of blast-resistant material (3) as a mask which is patterned while or after it is fixedly provided on the surface of the plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.