Heatable glazing or calendering roll

Details Heatable glazing or calendering roll Heatable glazing or calendering roll

1986-05-13

1988-03-15

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29113R, 29116R, 29132, B21B 1300

Patent

active

047303743

ABSTRACT:
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 displacement body and the cylindrical hollow body, by selecting a suitable material for the flange necks and/or by corresponding thermal insulation between cylindrical hollow body and flange necks it is achieved that the flange necks on heating up of the cylindrical hollow body expand less than the cylindrical hollow body and thereby bending moments are generated in the cylindrical hollow body which counteract the oxbow deformation.

REFERENCES:
patent: 1563216 (1925-11-01), Moog
patent: 2498662 (1950-02-01), Eaby
patent: 2520826 (1950-08-01), Beck
patent: 3416435 (1968-12-01), Dahl et al.
patent: 3950897 (1976-04-01), Birkenstack et al.
patent: 4217821 (1980-08-01), Vertegaal et al.
patent: 4386566 (1983-06-01), Moss
patent: 4407199 (1983-10-01), Moss
patent: 4607420 (1986-08-01), Vomhoff
Vortag, "Verbesserung des Papierprofils und der Glatte durch beheizte Glattwerk' und Kalanderwalzen", von Peter Rothenbacher.
Erich Vomhoff and Michael Zaoralek of the Haupttagung des OZEPA, Oct. 18, 1984, in Klagenfurt.

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