Printer for plastic bags

Printing – Special article machines – Rotary

Patent

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Details

101248, 101DIG36, B41F 1700

Patent

active

054507880

ABSTRACT:
An improved printer for plastic bags is provided. The improvement includes a counter which is incremented responsive to rotation of an upper wheel of a feeder. The counter enables a clutch. The clutch couples a driving wheel to the shaft of the rotating upper wheel. The driving wheel drives a blanket wheel through one revolution to print a design on a plastic bag. A photoelectric switch senses the one revolution of the blanket wheel and resets the counter, disengaging the clutch and enabling a brake to stop further rotation of the blanket wheel.

REFERENCES:
patent: 3552308 (1971-01-01), Minehart
patent: 3915090 (1975-10-01), Horst et al.
patent: 4079669 (1978-03-01), Nyborg
patent: 4484522 (1984-11-01), Simeth
patent: 4899655 (1990-02-01), Seo et al.
patent: 5127324 (1992-07-01), Palmatier et al.

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