Process for producing an embossing die in roll form

Details Process for producing an embossing die in roll form Process for producing an embossing die in roll form

1992-08-04

1994-01-25

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making named article

430323, 430329, 101 28, G03F 700

Patent

active

052815110

ABSTRACT:
A process for producing an embossing die in roll form for embossing a relief on at least one side of a flat material. The process includes the steps of applying a photoresist layer to one side of a metal sheet in planar form; exposing the photoresist layer through a film having a pattern corresponding to the relief; developing the metal sheet by removing unexposed parts of the photoresist layer; bending the metal sheet into sleeve form around a roll such that exposed parts of the photoresist layer face outwardly; etching unexposed regions of the metal sheet down to a predetermined depth; removing the exposed parts of the photoresist layer from the metal sheet; connecting mutually facing edges of the metal sheet; and fastening the metal sheet to a die roll.

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patent: 3752227 (1973-08-01), Bulson
patent: 4116594 (1978-09-01), Leanna et al.
patent: 4601868 (1986-07-01), Radel et al.
patent: 4897163 (1990-01-01), Verheesen

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