Insulating apparatus for thermally insulating a dryer head

Details Insulating apparatus for thermally insulating a dryer head Insulating apparatus for thermally insulating a dryer head

1987-07-10

1989-11-07

Bennet, Henry A.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34110, 34108, F26B 300

Patent

active

048782998

ABSTRACT:
An insulating apparatus is disclosed for thermally insulating a dryer head journalled in a dryer section of a papermaking machine. The apparatus includes a stationary insulator having a disc-shaped configuration. The insulator defines a central bore for the rotatable reception therein of the journal. A peripheral seal extends circumferentially around the insulator for inhibiting the flow of convection currents past the periphery of the insulator thereby reducing thermal losses through the head.

REFERENCES:
patent: 1640855 (1927-08-01), Shlick
patent: 2817908 (1957-12-01), Hornbostel
patent: 4385454 (1963-05-01), Withers et al.
patent: 4399169 (1963-08-01), McGowan
patent: 4450631 (1984-05-01), Gamble
patent: 4506459 (1985-03-01), Swick
patent: 4520578 (1985-06-01), Schiel et al.

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