System to identify the status of bags that have been subjected t

Details System to identify the status of bags that have been subjected t System to identify the status of bags that have been subjected t

1994-12-20

2000-12-12

Peterson, Kenneth E.

Cutting

Interrelated tool actuating means and guard means

Work guard

83418, 83687, 83946, B26D 701

Patent

active

061583197

ABSTRACT:
A system and a method are provided for detecting a bag that has been subjected to a process, such as illumination, wherein the contents of the bag require processing before subsequent use. The system (1) has a drawer (10) on which one or more bags may be placed and properly oriented. Punches (22) are provided for punching slugs from the bag indicative of a status of the processing of the bag. The punches (22) are aligned with die apertures (26) of a die (24) and corresponding punch apertures (20) through the drawer (10). The bag may include polarizing materials (50) such that the status of the processing of the bag (52) may be sensed. To this end, a rotating polarizing piece (70) is provided as well as a light source (34) and a sensor (38). The polarities between the polarizing piece (50) of the bag and the rotating polarizing piece (70) is monitored by the sensor (38) to indicate a condition or status of the processing of the bag and/or to further indicate tampering taking place in the process.

REFERENCES:
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patent: 5284364 (1994-02-01), Jain
patent: 5290221 (1994-03-01), Wolf, Jr. et al.

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