Device for maintaining side tabs of box blanks running...

Manufacturing container or tube from paper; or other manufacturi – Control means energized in response to activator stimulated... – Responsive to work material – the product or means engaging...

Reexamination Certificate

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Details

C493S070000, C493S068000, C493S183000, C493S023000

Reexamination Certificate

active

07637857

ABSTRACT:
A device for holding lateral tabs of box blanks filing along a conveyor particularly in a folder-gluer. At least one rotary support is actuated in synchronicity with the passage of said blanks the activation being via a drive member arranged on an adjustable bearing structure. At least one sensor detects the blanks. The sensor is connected to an electronic control unit that commands the drive member which is rendered autonomous.

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