Nip control method and apparatus

Details Nip control method and apparatus Nip control method and apparatus

D - Textiles, Paper

21

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92/21, 92/4, 341

D21F 7/00 (2006.01) B21B 37/32 (2006.01) D21F 3/06 (2006.01) D21F 7/06 (2006.01) D21G 1/00 (2006.01) G03F 7/16 (2006.01) H05K 13/00 (2006.01) B21B 27/10 (2006.01)

Patent

CA 1143039

ABSTRACT OF THE DISCLOSURE 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.

396107

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