Method of marking substantially flat paper articles

Details Method of marking substantially flat paper articles Method of marking substantially flat paper articles

1986-10-24

1988-06-21

Anderson, Bruce C.

Radiant energy

Radiation tracer methods

101 2, 270 58, 270 95, 400106, G01N 2164

Patent

active

047526840

ABSTRACT:
A substantially flat paper article or product is marked by applying thereto a luminophore. In order for the thus produced markings to remain discernible even if the paper article constitutes a component or part in a collation or composite of such paper articles, the markings are applied to at least one location of a marginal region including the contiguous edge of the paper article. This marking method can be used to monitor the completeness of an end product manufactured by collating a plurality of different paper articles.

REFERENCES:
patent: 3599229 (1971-08-01), Merrell
patent: 4201617 (1980-05-01), Orsinger et al.
patent: 4204640 (1980-05-01), Fuller
patent: 4497480 (1985-02-01), Nothdweft

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