Printing – Processes – Position or alignment
Patent
1992-08-26
1994-06-07
Burr, Edgar S.
Printing
Processes
Position or alignment
101DIG36, B41L 302
Patent
active
053179714
ABSTRACT:
Flexographic printing plates are mounted in precise registration on printing press cylinders for multicolor printing using a registration apparatus. In the preferred embodiment, the apparatus has a support on which a cylinder can be locked in fixed axial and circumferential position. A pair of pin holders slide on a bar parallel to the cylinder axis to set registration pins in precise positions relative to the surface of the cylinder. The bar moves toward the cylinder and places the pin bases on the cylinder surface so the plate is registered on the pins and adhered to the cylinder along the plate centerline and then across its back. The pin holders are set from a template that matches the plates. The locked pin holders and cylinder support allow additional plates to be similarly mounted on other cylinders in precisely corresponding positions, from their centerlines, with reduced error.
REFERENCES:
patent: 3186336 (1965-06-01), Kirby
patent: 4019434 (1977-04-01), Hoexter
patent: 4449452 (1984-05-01), Mansell
patent: 4520389 (1985-05-01), Hornschuh
patent: 4611539 (1986-09-01), Ireton
patent: 4705590 (1987-11-01), Vandenberg
patent: 4872407 (1989-10-01), Banke
patent: 5058287 (1991-10-01), Harley
Article, "Registration System Reaps Benefits", Paper, Film & Foil Converter, Nov., 1987.
Instruction Manual, "Ready-Mount Pin Registration System", Cyrel.RTM., #663393001, Jan., 1989.
Brochure, "Ready Mount System for Fast, Accurate Pin Register Plate Mounting", Cyrel.RTM., #H-12705, Feb., 1989.
Brochure, "Cyrel.RTM. Registration System", E. I. du Pont de Nemours & Co. (Inc.), Printing Systems Division, Wilmington, DE 19898.
Deye, Jr. Charles E.
Michel Justin F.
Burr Edgar S.
Yan Ren
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