Engraved printing roller has a series of raised plateaus separated by anti-stick zones

摘要

An engraved (3) printing roller (2) has a series of raised plateaus (7) that rotate against a matching tool (3). The engraved surface has an anti-stick coating (11) on the non-raised surfaces. The anti-stick surface is Teflon (R) and incorporates chromium, boron or nickel.