Paper web handling apparatus having improved air bar with fine s

Details Paper web handling apparatus having improved air bar with fine s Paper web handling apparatus having improved air bar with fine s

1987-06-11

1988-08-30

Gilreath, Stanley N.

Advancing material of indeterminate length

By fluid current

And web storage

34156, B65H 2014, F26B 1320

Patent

active

047670428

ABSTRACT:
An air bar for apparatus for drying a running paper web and floatingly suspending it without contact during the drying process, which air bars are spaced along both the upper and lower surface of the web. The air bars provided by the present invention have small holes in the inclined walls which form part of the nozzle slots. These holes provide fine scale turbulence generators for air passing through the holes to the slot nozzles.

REFERENCES:
patent: 3739491 (1973-06-01), Creapo et al.
patent: 3873013 (1975-03-01), Stibbe
patent: 3936953 (1976-02-01), Chance et al.
patent: 3964656 (1976-06-01), Hella
patent: 4197971 (1980-04-01), Stibbe
patent: 4201323 (1980-05-01), Stibbe et al.
patent: 4265384 (1981-05-01), Daane

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