Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Automatic and/or material-triggered control
Patent
1993-04-29
1995-06-06
Drodge, Joseph W.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Automatic and/or material-triggered control
33DIG1, 156378, 221 73, 32420716, B65H 2600
Patent
active
054219469
ABSTRACT:
A label sensor (45) serves to sense or scan a backing strip (14) that is provided with labels (17) thereon, and serves to control a labeling process in a labeling machine. The label sensor has a spring element (80) coupled to a ferromagnetic core (87) provided with a winding (85) thereon. The spring element (80) also is coupled to a surface following member (94) arranged to contact the side of the backing strip (14) carrying the labels (17). In operation, the winding (85) is excited with radio-frequency signal, and the voltage at the winding (85) is evaluated by an electrical evaluation circuit (103). This voltage is a function of whether the surface follower (94) is located on a label (17) or in a gap (20) between two labels, and it may serve to control a labeling machine.
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Drodge Joseph W.
Heinrich Hermann GmbH & Co.
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