Pressure and heat treatment roll

Details Pressure and heat treatment roll Pressure and heat treatment roll

1986-02-05

1988-04-05

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

With modification or control of temperature of work, tool or...

29116AD, 72243, 72245, 100162B, B21B 2708

Patent

active

047350733

ABSTRACT:
A roll for treating a web of material includes a hollow roll supported for rotation about a stationary cross piece. Between the inside circumference of the hollow roll and the cross piece, a longitudinal chamber filled with temperature-controlled pressure liquid is provided, in which a lengthwise subdivision is arranged so that the flow of the pressure liquid in the two partial longitudinal chambers is in opposite directions in order to obtain a uniform temperature distribution along the roll.

REFERENCES:
patent: 3023695 (1962-03-01), Kusters
patent: 4187594 (1980-02-01), Appenzeller
patent: 4282638 (1981-08-01), Christ et al.
patent: 4282639 (1981-08-01), Christ et al.
patent: 4459726 (1984-07-01), O'Brien et al.
patent: 4506421 (1985-03-01), Appenzeller et al.
patent: 4578847 (1986-04-01), Ahrweiler
Paper Trade Journal, "Temperature Controlled Rolls", Oct. 15, 1980 pp. 41-46.

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