Engraving process and product thereof

Details Engraving process and product thereof Engraving process and product thereof

1988-02-17

1989-04-25

Lawrence, Evan

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

427276, 427277, 428174, 428187, 428413, 428419, 428195, B32B 310, B05D 302, B05D 312

Patent

active

048247154

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.

REFERENCES:
patent: 3930924 (1976-01-01), Oka et al.
patent: 4044175 (1977-08-01), Coxon et al.
patent: 4528909 (1985-07-01), Rigg et al.

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