Marking of industrial products or individual parts thereof

Details Marking of industrial products or individual parts thereof Marking of industrial products or individual parts thereof

1988-08-17

1990-06-26

Watts, Douglas D.

Printed matter

Method

Identifying

283 72, 283 86, B42D 1500, G09F 300, G09F 1900

Patent

active

049366084

ABSTRACT:
The invention relates to marking of industrial products or individual parts thereof by burnt-in alphanumeric symbols and/or company symbols. To be able to apply in a space-saving and cost effective way a machine-readable, informationally identical additional coding, this additional coding is applied, integrated in the symbol, in such a way that distinctly deeper burnt-in locations, which are in themselves machine-detectable, are arranged along the trace of each and every symbol at several predetermined places distributed in a manner individual to the symbol. The deeper burnt-in locations may take the form of a blind hole, for example in the case of cast workpieces, or of a through-hole, for example in the case of sheet metal components. The additional coding can be applied in the same operation as the basic marking without noticeable time loss and without requiring additional space.

REFERENCES:
patent: 1474706 (1923-11-01), Cardell
patent: 1992779 (1935-02-01), Shedd
patent: 4629215 (1986-12-01), Maurer et al.

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