Method for checking the integrity of a series of printed sheets

Details Method for checking the integrity of a series of printed sheets Method for checking the integrity of a series of printed sheets

1987-03-30

1988-04-19

Bell, Paul A.

Printed matter

Method

283 39, 283 42, B42D 1500

Patent

active

047384719

ABSTRACT:
A method for checking the integrity of a series of printed sheets of the type in which a consecutive series of codes is printed on the sheets is provided which reduces significantly the time necessary for checking after collation of the sheets and significantly reduces the possibility of error in collation. The method includes printing on an extreme edge of each of the sheets a mark which is positioned on the edge in dependence upon the code printed on the sheet. Thus when the sheets are collated and fanned so that the extreme edges are exposed, the marks can be observed in a stairstep pattern so that any omitted marks or improperly positioned marks can readily be observed indicating an incorrect positioning of a sheet or the omission or addition of sheets.

REFERENCES:
patent: 4300791 (1981-11-01), Bohrer et al.
patent: 4355824 (1982-10-01), Weber et al.
patent: 4445711 (1984-05-01), Cunningham
patent: 4585253 (1986-04-01), Beisswanger

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