Screen printing machine

Details Screen printing machine Screen printing machine

1987-08-28

1989-09-05

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Step and repeat

355 54, 355 72, G03B 2742

Patent

active

048643610

ABSTRACT:
The present invention discloses a screen printing machine having a position adjusting means for carrying out adjustment of position of a material to be printed having a plurality of alignment marks in a direction of X, Y and .theta.. The adjusting means comprises a placing means for placing and positioning the material to be printed, a means for displacing the placing means in a direction of X and moving and carrying the placing means from a recognition station to a printing station, and a means for displacing the placing means in a directin of Y. The displacing means is composed of a mechanism in which both side portions of the placing means are respectively independently displaced in the direction of Y to make adjustment of positions of the placing means in the directions of Y and .theta.. The position adjusting means further comprises a recognition means for recognizing alignment marks marked on the material to be printed placed on the placing means and a displacement means for displacing the placing means in response to the recognition of the marks by the recognition means, the recognition means being moved in a direction at right angles to the carrying direction of the material to be printed.

REFERENCES:
patent: 3950095 (1976-04-01), Bouygues et al.
patent: 4432635 (1984-02-01), Mayer
patent: 4505580 (1985-03-01), Michel
patent: 4676649 (1987-06-01), Phillips

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