Method and apparatus for heating a paper web in a calender

Details Method and apparatus for heating a paper web in a calender Method and apparatus for heating a paper web in a calender

1996-07-26

1999-06-29

Gerrity, Stephen F.

Presses

Methods

With heating or cooling

100 74, 100332, D21G 100, B30B 304, B30B 1534

Patent

active

059152940

ABSTRACT:
A method and apparatus for heating a paper web in a calender in which the paper web is heated before it is passed into a calendering nip of the calender. The paper web is heated by a source of radiation and the heat radiation coming from the source of radiation is condensed and guided by a reflector face or an equivalent optical device onto the paper web and/or onto a face of one of the rolls in the calendering nip substantially directly before the calendering nip.

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Dipl.-Ing. Bernhard Krenkel: Glattwerksuntersuchungen, Zusammenhange zwischen Glattparametern und Messgrossen, Dissertation an der Fakultat fur Maschinenwesen und Elektrotechnik der Technischen Hochschule Graz, Heidenheim, Oktober 28 1975, pp. 40-42.

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