Global Patent Index - EP 0889991 B1

EP 0889991 B1 20000209 - HEATED CALENDER ROLLER

Title (en)

HEATED CALENDER ROLLER

Title (de)

BEHEIZBARE KALANDERWALZE

Title (fr)

CYLINDRE DE CALANDRAGE CHAUFFANT

Publication

EP 0889991 B1 20000209 (DE)

Application

EP 97922821 A 19970327

Priority

  • DE 9700633 W 19970327
  • DE 19612324 A 19960328

Abstract (en)

[origin: DE19612324C1] In order to avoid the use of heat transfer fluids flowing through peripheral heating channels of heated calender rollers, supporting tubes (4) made of a soft elastic plastic are provided inside the heating channels (3). A resistance-heated or induction-heated wire (6) is extruded into the wall (5) of the supporting tubes (4).

IPC 1-7

D21F 5/02; D21F 5/06; D21G 1/02; B21B 27/10; F16C 13/00

IPC 8 full level

B21B 27/10 (2006.01); D21F 5/02 (2006.01); D21F 5/06 (2006.01); D21G 1/02 (2006.01); F16C 13/00 (2006.01)

CPC (source: EP)

D21F 5/024 (2013.01); D21G 1/028 (2013.01)

Designated contracting state (EPC)

DE FI GB IT SE

DOCDB simple family (publication)

DE 19612324 C1 19970605; DE 59701114 D1 20000316; EP 0889991 A1 19990113; EP 0889991 B1 20000209; WO 9737077 A1 19971009

DOCDB simple family (application)

DE 19612324 A 19960328; DE 59701114 T 19970327; DE 9700633 W 19970327; EP 97922821 A 19970327