Molins Machine Co. Inc.

James T Ferara

William A Massey

Method and apparatus are disclosed for monitoring the quantity of single face paperboard on the bridge of a corrugator so that a unit length of paperboard will remain on the bridge for a preselected time irrespective of the speed of the corrugator to properly season the paperboard. Signals indicative of input and output of paperboard to the bridge are compared with a signal indicative of a preselected time and a signal is generated to effect changes in the single facer machine motor speed.

Paperboard corrugator

The cutoff mechanism repetitively cuts a moving web into sheets by at least one cutting blade movable in the direction of travel of the web at web speed at the instant of cutting. The cutting blade is controlled by a cyclic mechanism. The cyclic mechanism has a uniform input speed or a cyclic input speed. When the cyclic mechanism is driven with a cyclic input speed, the normal range of sheet length is doubled.

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Gibbsboro, NJ, United States of America

James T Ferara