Web imprinting apparatus and method

B - Operations – Transporting – 41 – J

Patent

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B41J 15/04 (2006.01) B65H 23/188 (2006.01)

Patent

CA 2122980

ABSTRACT An improved printer is disclosed which has upright and inverted printers for printing either or both faces of a flat web. A stepper motor driven nip is provided to feed the web along a path of travel past the two imprinters. The web is driven at a relatively high feed speed until sections of the web to be imprinted are registered with the imprinters, whereupon the feed speed is reduced to a slower imprinting speed. Upon completion of the imprinting, web feed is returned to thehigher rate providing a downstream dancer is in condition to accept the web at the higher rate. If the amount of web accumulated in the downstream dancer exceeds a predetermined level, the motor is stopped until the dancer is in condition to receive the web at the higher feed speed rate.

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