Method and apparatus for the manufacture of freshly printed, num

Details Method and apparatus for the manufacture of freshly printed, num Method and apparatus for the manufacture of freshly printed, num

1983-03-29

1984-08-07

Eickholt, E. H.

Printing

Antismut device

Anti-offset material application

101 72, 270 11, 270 211, 270 58, 83371, B41J 4500

Patent

active

044636776

ABSTRACT:
Finished printed sheets of security papers (10) are numbered in a numbering machine (21), to whose numbering units (21b) additional blocks are attached, which at a constant, predetermined distance from the printed number, print a cutting mark associated with the respective security paper, on an edge of the sheet which is subsequently cut off. At the time of subsequent cutting of the pile of sheets into strips, these cutting marks define those cutting edges which represent the reference edges of the security papers determining the exact reading position, at the time of subsequent automatic reading of the number of the security papers in circulation. For this purpose, the cutting marks are read by a reading unit (28) located on the strip-cutting unit (27), which unit (28) controls the feed device (26) moving the pile of sheets successively into the cutting positions. In this way it is ensured that the distance between the position of the number to be read and the reference edge of a security paper, which is critical for reliable automatic reading of the numbers, remains virtually constant for all security papers, irrespective of all possible tolerances occurring in the processing of sheets to produce finished, cut security papers.

REFERENCES:
patent: 3833795 (1974-09-01), Shoshan et al.
patent: 3988015 (1976-10-01), Scantlin
patent: 4013006 (1977-03-01), Burrell et al.
patent: 4034973 (1977-07-01), Hams
patent: 4177730 (1979-12-01), Schriber et al.
patent: 4338768 (1982-07-01), Ballestra et al.
patent: 4366753 (1983-01-01), Glanz et al.
patent: 4381107 (1983-04-01), Armiger

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