Air bearing with porous outer tubular member

Details Air bearing with porous outer tubular member Air bearing with porous outer tubular member

1991-08-19

1995-06-13

Stodola, Daniel P.

Advancing material of indeterminate length

By fluid current

And web storage

226196, B65H 2300

Patent

active

054234689

ABSTRACT:
An air bearing supports and guides a moving web with a linearly constant distribution of air between the bearing and the moving web. An exterior tubular member is fixedly mounted over a first tubular member having a central bore connected to a pressurized air source. Air flow apertures are formed in the first tubular member in fluid flow communication with the central bore in the first tubular member. The exterior tubular member is formed of a porous, air permeable material to evenly distribute air flow from the air flow apertures in the first tubular member evenly about the periphery of the exterior tubular member to form a linearly constant, even distribution of air across the length of the exterior tubular member to evenly support a moving web.

REFERENCES:
patent: 3156399 (1964-11-01), Wadey
patent: 3245334 (1966-04-01), Long
patent: 3744693 (1973-07-01), Greiner
patent: 4416201 (1983-11-01), Kessler
patent: 4453465 (1984-06-01), Heller et al.
patent: 4506841 (1985-03-01), Hood

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