Apparatus and process for controlling or regulating a web proper

Details Apparatus and process for controlling or regulating a web proper Apparatus and process for controlling or regulating a web proper

1998-08-19

2000-12-19

Silverman, Stanley S.

Paper making and fiber liberation

Processes and products

With measuring, inspecting and/or testing

162252, D21F 1100

Patent

active

061623318

ABSTRACT:
An apparatus and a process for controlling or regulating a web property profile of a paper or cardboard web produced in the manufacturing process of a paper or cardboard machine is disclosed. The apparatus incorporates information regarding the position of one or more devices of a plurality of adjustable devices for sectionally manipulating at least one web property for regulating or controlling the devices to manipulate at least one web property across the width of the machine. The process includes combing the regulating process or a regulator device for adjusting individual actuators that only act on a certain section of conventional systems with the adjustment of an actuator acting across the entire web width for achieving a certain web property, so that the sectionally-operating actuators are not located in an end-position, so that these sectional actuators continue to be able to adjust the web property.

REFERENCES:
patent: 4019819 (1977-04-01), Lodzinski
patent: 5707495 (1998-01-01), Heinzmann et al.
patent: 5885420 (1999-03-01), Heinzmann et al.
Kiessling, "Anforderungen an den Stoffauflauf zur Flachengewichts-Querprofilregelung," Wochenblatt fur Papierfabrikation, 22, pp. 967-972 (1988).

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