Arrangement for the reading of photocell markings on a material

Details Arrangement for the reading of photocell markings on a material Arrangement for the reading of photocell markings on a material

1976-12-03

1978-04-04

Spruill, Robert Louis

Package making

Register control

226 2, 226 28, B65B 4118

Patent

active

040819442

ABSTRACT:
An apparatus for reading photocell markings applied at equal intervals on the decorated side of a material web run through a packing machine for the continuous manufacture of separatable packages provided with transverse crease lines in which a cylindrical monitoring element which contacts and is rotated by the crease lines functions to periodically actuate an electrical switch which in turn activates a photocell located close to the web when a photocell marking is calculated to pass.

REFERENCES:
patent: 2977730 (1961-04-01), Ardner
patent: 3629987 (1971-12-01), Klopfenstein et al.
patent: 3788028 (1974-01-01), Folkesson et al.
patent: 3977586 (1976-08-01), Hertrich
patent: 4009551 (1977-03-01), Greenawalt et al.

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