Screen printing device with continuous registering of rotating s

Details Screen printing device with continuous registering of rotating s Screen printing device with continuous registering of rotating s

1992-07-02

1993-10-26

Burr, Edgar S.

Printing

Stenciling

Rotary machines

101116, 101248, B41L 1300

Patent

active

052555984

ABSTRACT:
Screen printing device, comprising an endless printing belt on which a web of material can be fixed temporarily, a printing belt drive device, and a number of rotary stencils driven by stencil drive devices, the printing belt drive device being coupled to the stencil drive devices at a predetermined angle presetting thereof for a synchronous movement thereof. The device also has a signal generation device which can produce a signal forming a measure for a displacement of the printing belt. One or more markings are provided on or in the printing belt and can be detected by detectors securely fixed at predetermined intervals. A comparison device compares the signal coming from the signal generation device, during a displacement of a marking on the printing belt from one detector to a next detector, with a predetermined reference signal, following which a correction device adjusts the angle presetting of one or more stencils on the basis of the comparison result of the comparison device.

REFERENCES:
patent: 3998156 (1976-12-01), Zimmer
patent: 4238999 (1980-12-01), Giani et al.
patent: 4366542 (1982-12-01), Anselrode
patent: 4563947 (1986-01-01), Matsushita et al.
patent: 4690051 (1987-09-01), Kishine et al.
patent: 4857745 (1989-08-01), Gough
patent: 4909143 (1990-03-01), Van den Berg et al.
patent: 4915516 (1990-04-01), Shimizu et al.
patent: 4932320 (1990-06-01), Brunetti et al.
patent: 5056430 (1991-10-01), Bayerlein et al.

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