Nip control method and apparatus

Details Nip control method and apparatus Nip control method and apparatus

1981-03-03

1983-05-24

Feldman, Peter

Presses

Methods

With heating or cooling

100 47, 100 93RP, 100162B, 100917, 29116AD, 219 1043, 219 1057, 219 1071, B30B 304, B30B 1534

Patent

active

043845142

ABSTRACT:
This invention provides a method and an apparatus for use in controlling a nip through which material is passed. The apparatus comprises at least one means for generating a magnetic field and means for locating the magnetic field generating means at a selected position along the length of one of the pressing elements, adjacent to the element, to thereby affect only a portion of the length of the element, thus controlling only that portion of the length of the nip which is generally aligned with the affected portion of the pressing element.

REFERENCES:
patent: 2981175 (1961-04-01), Goyette
patent: 3177799 (1965-04-01), Justus et al.
patent: 3203678 (1965-08-01), Sawyer et al.
patent: 3456582 (1969-07-01), McClenathan
patent: 3702912 (1972-11-01), Greenberger
patent: 3770578 (1973-11-01), Spurrell
patent: 4114528 (1978-09-01), Walker

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