Cross-directional control of sheetmaking systems

Details Cross-directional control of sheetmaking systems Cross-directional control of sheetmaking systems

1988-06-15

1990-10-23

Ruggiero, Joseph

Boots, shoes, and leggings

162253, 162263, 364152, 364471, 364554, 364572, G06F 1546

Patent

active

049657364

ABSTRACT:
A system and method for controlling sheetproducing machines includes measurement devices for measuring properties of a sheet at cross-directional locations to provide cross-directional profiles, and spatial-frequency splitting means for separating low spatial-frequency components from high spatial-frequency components for each profile. The separated high and low spatial-frequency components provide operating signals to controllably adjust properties of the sheet.

REFERENCES:
patent: 3496344 (1970-02-01), Chope
patent: 3557351 (1971-01-01), Doering
patent: 4453404 (1984-06-01), Powell
patent: 4648712 (1987-03-01), Brenholdt
patent: 4674045 (1987-06-01), Kerber et al.
patent: 4707779 (1987-11-01), Hu

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