Adjustable ballast system for the holddown belt in a double face

Details Adjustable ballast system for the holddown belt in a double face Adjustable ballast system for the holddown belt in a double face

1994-06-03

1995-11-14

Yoder, Michele K.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With bending, folding, winding, or wrapping means

156210, 1565833, 1565835, 15658391, 100211, B31F 120, B31F 124

Patent

active

054663296

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.

REFERENCES:
patent: 3319353 (1967-05-01), Matsunami et al.
patent: 3580795 (1971-05-01), Eichenlaub
patent: 3607523 (1971-09-01), McGirr
patent: 3676268 (1972-07-01), Brandenburg et al.
patent: 3753838 (1973-08-01), Brandenburg
patent: 3829338 (1974-08-01), Hayasi et al.
patent: 4049485 (1977-09-01), Iversen
patent: 5005473 (1991-04-01), Ishibashi
patent: 5256240 (1993-10-01), Shortt
patent: 5360506 (1994-11-01), Thomas

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