Method and apparatus for loop stabilization with forced air

Details Method and apparatus for loop stabilization with forced air Method and apparatus for loop stabilization with forced air

1998-08-04

2000-08-01

Jillions, John M.

Advancing material of indeterminate length

With material-responsive control means

To regulate longitudinal movement of material

226113, 2424171, 2424181, B65H 23185, B65H 23192, B65H 2324

Patent

active

060953918

ABSTRACT:
A method and apparatus is presented for stabilizing a free loop of web material between two web handling devices. The present invention employs fans or other forced air sources, directed toward the inner surface of the free loop, to maintain a stable free loop shape, thereby permitting simplified web handling and more accurate control of the web feeding or web take-up rate.

REFERENCES:
patent: 2678173 (1954-05-01), Phelps
patent: 2796223 (1957-06-01), Detweiler
patent: 3908920 (1975-09-01), Hermanns
patent: 4050642 (1977-09-01), Katsumata et al.
patent: 4498638 (1985-02-01), Kurtz et al.
patent: 5588345 (1996-12-01), Franks et al.
patent: 5709352 (1998-01-01), Rogers et al.
patent: 5924619 (1999-07-01), Bartell

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