Dual mode cross-directional moisture control

Details Dual mode cross-directional moisture control Dual mode cross-directional moisture control

1989-04-05

1992-03-03

Ruggiero, Joseph

Boots, shoes, and leggings

364160, 162253, 162258, 162262, 162DIG6, G06F 1546, D21F 102

Patent

active

050937952

ABSTRACT:
A sheet manufacturing system having a steam profiling bar, a moisture profiling bar, a moisture sensor and a computer is disclosed. The computer is programmed to cause the correct amount of steam or water to be applied on a slice-by-slice basis based upon the mositure content profile data generated by the moisture sensor as compared against a preprogrammed, desired moisture content profile. The computer is programmed in such a way as to cause either steam or water, but not both, to be applied as needed to any given portion of each individual slice to achieve the desired moisture content profile. Thus, the combined application of both steam and water to the same portion of the sheet, and the nullifying effects thereof, are avoided, resulting in the use of less steam and less water while still providing full control over the moisture content profile with only one moisture sensor.

REFERENCES:
patent: 3666621 (1972-05-01), Adams
patent: 3886036 (1975-05-01), Dahlin
patent: 3930934 (1976-01-01), Spitz
patent: 4098641 (1978-07-01), Casey et al.
patent: 4374703 (1983-02-01), Lebeau et al.

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