Title:
METHOD FOR CONTROLLING THE OPERATION OF A PAPER, BOARD OR TISSUE PRODUCTION LINE
Document Type and Number:
WIPO Patent Application WO2002064886
Kind Code:
A3
Abstract:
The invention realtes to a method for controlling the operation of a paper, board or tissue production line (11, 12, 13, 14, 17, 18). A magneto-rheological or an electrolrheological fluid, whose flow characteristics are changed in a controlled way, is used in the method. The fluid is used as a lubricant between surfaces in a device consisting of a fixed surface and a surface that is moved over it as a heating medium, as the dampening or the power transmission agent of the movement of paper and/or board equipment (17, 18), or as a hydraulic fluid of the emergency opening cylinders of a set of calender rolls (1) of a paper and/or board machine.
Inventors:
PIETIKAEINEN REIJO (FI)
Application Number:
PCT/FI2002/000094
Publication Date:
October 10, 2002
Filing Date:
February 08, 2002
Export Citation:
Assignee:
METSO PAPER INC (FI)
PIETIKAEINEN REIJO (FI)
PIETIKAEINEN REIJO (FI)
International Classes:
D21F3/02; D21G1/00; D21G1/02; D21G9/00; (IPC1-7): D21F3/02; D21G1/00
Foreign References:
FI79571B | 1989-09-29 | |||
US6257133B1 | 2001-07-10 |
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