Printing – Embossing or penetrating – Hot die machines
Patent
1990-05-04
1992-08-04
Crowder, Clifford D.
Printing
Embossing or penetrating
Hot die machines
101281, 101336, 400234, B41F 318
Patent
active
051349310
ABSTRACT:
A cylinder press converted to printing foil embossed images onto a printing stock. A supply roll of foil bearing ribbon is mounted forward on the reciprocating chase and the ribbon is extended over the chase through a pair of adjusting guide rollers to a stationary take-up mechanism. In the take-up mechanism, the ribbon is wrapped around a puller roller and onto a rewind roller. One of the guide rollers is stationary and the other reciprocates in a parallel path in at least half the speed of the reciprocating chase. The ribbon is wound in a serpentine configuration around the reciprocating guide roller forward to the stationary guide roller and back to the take-up mechanism to thereby retain a fixed pathway length regardless of the position of the chase. The ribbon is wrapped around the puller roller having a friction gripping surface for non-slip pulling of the ribbon. A stepping motor provides precise rotational control of the puller roller and a programmable computer is selectively programmed for the desired sequence of ribbon movement.
REFERENCES:
patent: 3244092 (1966-04-01), Gottscho et al.
patent: 3316835 (1967-05-01), Liepelt
patent: 3728962 (1973-04-01), Sherrington
patent: 4118264 (1978-10-01), Boettcher
patent: 4627343 (1986-12-01), Liepelt
patent: 4744294 (1988-05-01), Liepelt
Jansen Gregory E.
Thompson Edwin E.
Crowder Clifford D.
Harrington Robert L.
Liepelt & Son, Inc.
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