Engraving process and product thereof
US4824715A · kind A · utility
2Cited by
3References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 17, 1988 |
| Grant date | Apr 25, 1989 |
| Priority date | — |
| Expiry date | Feb 17, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31533
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An engraved plastic article is prepared by applying a coat of epoxy resin paint to a polyether sulfone resin article, curing the coated article at an elevated temperature, and engraving indicia on a surface of the article. During engraving the paint coating does not loosen, chip or otherwise dislodge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.