EP 0578971 B1 19950927 - Electrically heated calanderroll.
Title (en)
Electrically heated calanderroll.
Title (de)
Elektrisch beheizbare Kalanderwalze.
Title (fr)
Rouleau pour calandre à chauffage électrique.
Publication
Application
Priority
DE 4220395 A 19920622
Abstract (en)
[origin: EP0578971A1] In order to be able to heat, without difficulty, using rod-shaped electric heating elements 5, a heatable calender roller 1 for processing web-like materials, such as paper, axially parallel channels 4 which are used for heating being situated beneath the peripheral surface of the roller body 2, the heating elements 5 are arranged in the channels 4 and, in order to obtain favourable heat transmission, the spaces between the inside surfaces of the channels and the casings of the heating elements are filled with a metal 6 and/or a metal alloy, the melting point of which is situated above the maximum surface temperature reached during operation by the heating element. <IMAGE>
IPC 1-7
IPC 8 full level
D21F 5/02 (2006.01); D21G 1/02 (2006.01); B21B 27/08 (2006.01)
CPC (source: EP US)
D21F 5/024 (2013.01 - EP US); D21G 1/028 (2013.01 - EP US); B21B 2027/086 (2013.01 - EP US)
Designated contracting state (EPC)
AT DE FR GB IT SE
DOCDB simple family (publication)
EP 0578971 A1 19940119; EP 0578971 B1 19950927; AT E128499 T1 19951015; CA 2098872 A1 19931223; CA 2098872 C 20031223; DE 4319868 A1 19931223; DE 59300659 D1 19951102; FI 110276 B 20021231; FI 932864 A0 19930621; FI 932864 A 19931223; US 5397290 A 19950314
DOCDB simple family (application)
EP 93109338 A 19930611; AT 93109338 T 19930611; CA 2098872 A 19930621; DE 4319868 A 19930616; DE 59300659 T 19930611; FI 932864 A 19930621; US 8043993 A 19930621