Engraved plastic article
US4745020A · kind A · utility
0Cited by
2References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 8, 1986 |
| Grant date | May 17, 1988 |
| Priority date | — |
| Expiry date | Jul 8, 2006 |
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.