Roll for a supercalender and method for calendering a web

Details Roll for a supercalender and method for calendering a web Roll for a supercalender and method for calendering a web

1998-12-16

2000-03-21

Hastings, Karen M.

Paper making and fiber liberation

Processes and products

Running or indefinite length work forming and/or treating...

100155R, 100169, 162361, 492 56, D21G 102

Patent

active

06039840&

ABSTRACT:
A paper machine roll, in particular a roll for a supercalender, which includes a frame and a polymer coating on the frame. The deformability of the polymer coating on the roll increases within a certain axial distance from the middle area of the roll toward the ends of the roll in order to compensate for the deformation state of the end areas of the roll frame, which deformation state is uneven when the roll is loaded.

REFERENCES:
patent: 3750246 (1973-08-01), Pessen
patent: 4534829 (1985-08-01), Ahrweiler et al.
patent: 5092235 (1992-03-01), Rise
patent: 5146664 (1992-09-01), Biondetti
patent: 5412870 (1995-05-01), Lehtonen
patent: 5582568 (1996-12-01), Lehtonen
patent: 5662574 (1997-09-01), Slotten
"Synthetic Composite Covers in Supercalenders:Update", Thomas J. Lauterbach, Tappi Journal, vol. 76, No. 6, Jun. 1993, pp. 115-119.
IBM Technical Disclosure Bulletin, vol. 27, No. 1A, Jun. 1984, "Uniform Pressure Roll", T.E. Bruning and T.R. Meyer, pp. 170-171.

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