Trailing sheet assembly for an air turn

Details Trailing sheet assembly for an air turn Trailing sheet assembly for an air turn

1992-04-30

1994-06-07

Bennet, Henry A.

Drying and gas or vapor contact with solids

Apparatus

Sheet, web, or strand

34120, 34117, 226 97, F26B 1300

Patent

active

053178173

ABSTRACT:
Disclosed is an air turn for supporting and optionally drying a web, the air turn comprising a plurality of air bars having a wing type foil with an adjustable web-to-foil gap and multiple relief holes. The apparatus of the invention allows for the ability to control the air vortex off the lower air turn in an air turn array and to control the pressure between the web and foil, thereby eliminating web flutter.

REFERENCES:
patent: 3127080 (1964-03-01), Allander et al.
patent: 3485429 (1969-12-01), Hutzenlaub
patent: 3964656 (1976-06-01), Hella
patent: 4186860 (1980-02-01), Reba
patent: 4197971 (1980-04-01), Stibbe
patent: 4218833 (1980-08-01), Coar
patent: 4809445 (1989-03-01), Meyer et al.
patent: 4837946 (1989-06-01), Hella et al.
patent: 4848633 (1989-07-01), Hagen et al.
Circular Flotation Dryer Eliminates Picking, Tec Systems Air Can, 1980.

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