EP 0295655 B1 19920520 - APPARATUS FOR TREATING A WEB
Title (en)
APPARATUS FOR TREATING A WEB
Publication
Application
Priority
DE 3720132 A 19870616
Abstract (en)
[origin: US4875297A] A device for treating a material web comprising a heating roller with at least one flow channel extending through the heating roller in its longitudinal direction, feed and return pipes for a heat carrier fluid flowing through the heating roller, a heating device for the heat carrier, and a counter roller, which is in contact with the heating roller; an additional heating device heats the heating roller from the outside; and a control unit connected to both heating devices heats or cools the heating roller as a function of predetermined operating conditions.
IPC 1-7
IPC 8 full level
D21F 5/02 (2006.01); D21G 1/00 (2006.01); D21G 1/02 (2006.01)
CPC (source: EP US)
D21F 5/022 (2013.01 - EP US); D21G 1/0253 (2013.01 - EP US)
Citation (examination)
WOCHENBLATT DER PAPIERFABRIKATION, Bände 23/24, Dezember 1986, Biberach an der Riss; R.Kurtz "On-line Glättverfahren", Seiten 984-987.
Designated contracting state (EPC)
AT GB IT
DOCDB simple family (publication)
EP 0295655 A2 19881221; EP 0295655 A3 19890802; EP 0295655 B1 19920520; AT E76455 T1 19920615; DE 3720132 A1 19881229; FI 882865 A0 19880615; FI 882865 A 19881217; FI 88631 B 19930226; US 4875297 A 19891024
DOCDB simple family (application)
EP 88109549 A 19880615; AT 88109549 T 19880615; DE 3720132 A 19870616; FI 882865 A 19880615; US 20667988 A 19880615