Patent Number: 6,253,671

Title: Process for glazing a material web and roller for a glazing calender

Abstract: Process and apparatus for glazing a material web so as to influence or control the transparency of a material web. The material web is guided through at least one nip which is formed by a roller having an elastic covering made, in particular of a plastic reinforced with fibers or appropriate fillers, and an opposing roller. In one embodiment, a primary orientation of the fibers in the covering is selected as a function of the desired glazing result. In another embodiment, the roller surface has uniform nonhomogeneous hardness distribution over a substantial portion of its rolling surface.

Inventors: Kayser; Franz (Geldern, DE)

Assignee: Voith Sulzer Papiertechnik Patent GmbH

International Classification: D21G 1/02 (20060101); D21G 1/00 (20060101); F26B 13/14 (20060101); F26B 13/10 (20060101); B30B 003/04 ()

Expiration Date: 07/03/2018