Labeling machine with variable speed cutting head

Details Labeling machine with variable speed cutting head Labeling machine with variable speed cutting head

1993-06-03

1995-01-10

Ball, Michael W.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156265, 156353, 156354, 156521, B32B 3100

Patent

active

053803817

ABSTRACT:
In accordance with the invention, the label feed roller, the cutter drum, and the vacuum drum are each provided with a drive motor and an encoder which encodes the speed and position of each element. The outputs of the encoders are supplied to a computer. The computer provides appropriate control signals for modulating the speeds of the drive motors. In particular, the drive motor for the cutter drum is accelerated prior to transferring a label onto the vacuum drum. Transfer of a label onto the vacuum drum is completed at a constant cutter drum speed corresponding to the speed of the vacuum drum. Thereafter, the drive motor for the cutter drum is decelerated and set to a constant speed corresponding to the speed of the incoming web of labels. A label from the feed roller is preferably cut at the constant speed.

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patent: 4519868 (1985-05-01), Hoffman
patent: 4552608 (1985-11-01), Hoffman
patent: 4618391 (1986-10-01), Torti et al.
patent: 4985096 (1991-01-01), Bekker-Madsen
patent: 5017257 (1991-05-01), Murphy

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