Method and apparatus for compensating deflection of a lip beam i

Details Method and apparatus for compensating deflection of a lip beam i Method and apparatus for compensating deflection of a lip beam i

1987-08-26

1989-05-23

Hastings, Karen

Paper making and fiber liberation

Processes and products

With measuring, inspecting and/or testing

162199, 162262, 162263, 162336, 162344, D21F 102

Patent

active

048327948

ABSTRACT:
Method and apparatus for compensating bending of a lip beam in a paper machine when papermaking pulp flowing through the slice formed with the lip beam causes loading upon a bottom surface of the top lip beam. The bending of the beam caused by the loading is compensated by bending the lip beam in the opposite direction, by creating a temperature difference in the lip beam between a top part and a bottom part of the same.

REFERENCES:
patent: 3468756 (1969-09-01), Villa
patent: 3769154 (1973-10-01), Wolf
patent: 4008123 (1977-02-01), Kirjavainen
patent: 4455197 (1984-06-01), Croteam et al.
patent: 4552619 (1985-11-01), Laitinen et al.

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