Anti-jam system for a packaging machine

Details Anti-jam system for a packaging machine Anti-jam system for a packaging machine

1983-12-20

1985-09-17

Coan, James F.

Package making

Methods

Forming a cover adjunct or application of a cover adjunct to...

53 65, 53 69, 53 77, 53131, B41F 1700

Patent

active

045412235

ABSTRACT:
A method and apparatus for preventing jams in a carton coding machine or the like are disclosed. The apparatus includes a pivotally mounted coding assembly actuated by a cylinder and cooperating solenoid operated directional control valve. A photo transceiver and reflector are provided for detecting a change in article flow, such as is caused by a defective article or article jam. Control means, responsive to a detected defective article or article jam, substantially simultaneously interrupts power to the coding assembly and displaces the coding assembly from the path of the articles. This prevents the defective article from wedging in the coding assembly and jamming the machine. After a delay period, the coding assembly is returned to the operative position for coding the following articles. In addition to the steps of detecting a defective article or article jam, displacing the branding assembly and returning the branding assembly to the operative position, the method includes the step of preventing the displacing step for a predetermined, adjustable length of time to allow properly formed or acceptable cartons to pass.

REFERENCES:
patent: 1682464 (1928-08-01), Arelt et al.
patent: 2908219 (1959-10-01), Clauss
patent: 3490196 (1970-01-01), Sorensen
patent: 3509680 (1970-05-01), Weber
patent: 3577701 (1971-05-01), Bott et al.
patent: 3741081 (1973-06-01), Lutz

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