Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1995-08-14
1997-05-27
Yoder, Michele K.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156210, 156359, 156470, 156497, 156543, 156555, 1565833, 1565834, 1565835, 15658391, 100211, B31F 120, B31F 124
Patent
active
056328303
ABSTRACT:
A variable load ballast system for the double facer of a corrugator includes a number of rows of holddown belt engaging ballast members positioned in side-by-side relation transversely across the belt, with the rows extending over the full heating section of the double facer. Each of the rows is divided into a number of longitudinal segments, each of which segments is controlled by a vertical actuator to move the segment between a lower full load ballast position on the belt and an upper no load position off the belt. The rows may comprise a series of ballast rollers or a continuous flexible membrane and either embodiment provides the ability to vary the ballast load on the holddown belt longitudinally, laterally and in any pattern of symmetry or asymmetry to accommodate a wide range of operating conditions and problems typically arising in the operation of a double facer. Ballast system control based on monitored web moisture content and web temperature is disclosed. An embodiment is also disclosed in which the holddown belt is eliminated.
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Marquip Inc.
Yoder Michele K.
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