Roll

Details Roll Roll

1993-02-18

1994-01-11

Cuda, Irene

Roll or roller

With impellor; e.g., fan, pump

29895, 492 46, 165 89, B23P 1500

Patent

active

052776905

ABSTRACT:
A roll, specifically a paper machine press roll, with a hollow rotatable roll body features a roll shell and on at least one of its two ends a hollow roll journal. A guide body which is stationary or fastened to the roll body extends through the interior of the roll body and forms with the roll shell a channel system through which a tempering medium flows. For purposes of using air as tempering medium, a pressure blower and/or a suction blower are connected to the channel system. The channel system and the blower(s) are so dimensioned that an air flow velocity above 10 m/sec will materialize in the channel system.

REFERENCES:
patent: 1820074 (1931-08-01), Kilborn
patent: 2908486 (1959-10-01), Thornburg
patent: 3633663 (1972-01-01), Tafel
patent: 3802495 (1974-04-01), Hordis
patent: 4071081 (1978-01-01), Chielens et al.
patent: 4074750 (1978-02-01), Beghin
patent: 4090553 (1978-05-01), Beghin
patent: 4631792 (1986-12-01), Wisemann et al.
patent: 4955268 (1990-09-01), Ickinger et al.
patent: 5011401 (1991-04-01), Sakurai et al.

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