Conduit for processing webs with a liquid solution

Details Conduit for processing webs with a liquid solution Conduit for processing webs with a liquid solution

1974-07-19

1976-07-06

Gonzales, John

354297, 354324, 354339, G03D 500

Patent

active

039685101

ABSTRACT:
An enclosed conduit such as a tube, and a method for processing webs with a liquid solution, wherein the web is positioned helically around the periphery of the tube. The tube has openings, such as being porous, at least in the helical path of the web. A liquid solution cushion or bearing is formed between the web and periphery of the tube in at least the helical path of the web by continuously directing the liquid solution outwardly through the openings. In one embodiment, the web is transported by drive rollers or belts against which the web is forced, and edge deflected between the convolutions of a helical rail or band wrapped around the periphery of the tube. In another embodiment, the tube is provided with axially spaced, radially extending protuberances on its periphery for edge deflecting the web along a helical path.

REFERENCES:
patent: 2530734 (1950-11-01), Salzman
patent: 3186326 (1965-06-01), Schmidt
patent: 3192845 (1965-07-01), Schmidt
patent: 3245334 (1966-04-01), Long
patent: 3366025 (1968-01-01), Layne

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