Variable size ink printing method and apparatus

Details Variable size ink printing method and apparatus Variable size ink printing method and apparatus

B - Operations, Transporting

41

J

101/96.02

B41J 2/01 (2006.01) B41J 3/28 (2006.01) B41J 3/407 (2006.01) B41J 25/308 (2006.01) B65B 61/26 (2006.01)

Patent

CA 1201014

ABSTRACT Method and apparatus for non-contact application of information patterns of variable size and format on a plurality of discrete moving objects carried linearly on a conveyor. The objects move horizontally spaced apart, past as least one print head having plural ink sources arranged vertically relative to the moving objects. An information pattern is provided to control means. The leading edge of an object is detected along with the velocity of said object. Representative signals are directed to a device having inputs for receiving said signals and selected piezoelectric crystal pumping device energized in predetermined relation to the velocity signal according to the pattern to provide small ink drop streams. The ink sources are synchronously interrupted with the movement of the object and each succeeding object is marked in the line.

423048

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