Heatable glazing or calendering roll

Details Heatable glazing or calendering roll Heatable glazing or calendering roll

B - Operations, Transporting

21

B

92/4

B21B 13/00 (2006.01) D21F 5/02 (2006.01) D21G 1/02 (2006.01)

Patent

CA 1264589

Abstract of the disclosure In a heatable glazing or calendering roll having a cylindrical hollow body with flange necks for each end of the cylindrical hollow body, a displacement body disposed in the cylindrical hollow body and supply and discharge lines for a fluid heat carrier flowing through the annular gap between the displace- ment body and the cylindrical hollow body, by selecting a suitable material for the flange necks and/or by correspond- ing thermal insulation between cylindrical hollow body and flange necks it is achieved that the flange necks on heat- ing up of the cylindrical hollow body expand less than the cylindrical hollow body and thereby bending moments are gen- erated in the cylindrical hollow body which counteract the oxbow deformation.

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