Marking method and apparatus

Details Marking method and apparatus Marking method and apparatus

1990-11-30

1992-02-18

Burr, Edgar S.

Printing

Special article machines

Bed and platen

101163, 101489, 101DIG30, B41F 1700

Patent

active

050884018

ABSTRACT:
In the marking method and apparatus, a printing plate which is mounted to a plate holder is moved horizontally and vertically and set above a workpiece. The printing plate is then lowered quickly until it comes into contact with the workpiece upon which printing is performed and then, based upon a signal from a detector which detects such a contact of the printing plate to the workpiece, the printing plate is further lowered slowly a predetermined fixed distance. Thus, even if the thickness of the workpiece is different from workpiece to workpiece, the pressing-in amount of the printing plate into the workpiece can be constant for different workpieces.

REFERENCES:
patent: 3530792 (1970-09-01), Valiela
patent: 3837276 (1974-09-01), Reichert
patent: 3898926 (1975-08-01), Peres
patent: 3960072 (1976-06-01), Ahlgren
patent: 4111624 (1978-09-01), Hanson

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