Method for removing liquid edge bead

Details Method for removing liquid edge bead Method for removing liquid edge bead

1995-12-22

1997-12-30

El-Arini, Zeinab

Cleaning and liquid contact with solids

Processes

Longitudinally traveling work of bar, strip, strand, sheet...

134 21, 134 37, B08B 502

Patent

active

057025371

ABSTRACT:
Method for removal of a liquid edge bead from the side marginal edges of a moving web, such as a strip. The method involves providing a moving web and two pair of manifolds, which are positioned above and below the top and bottom surfaces of the web, discharging a gas curtain approximately normal to the plane of the web, and introducing gas to the manifolds to produce a gas curtain from each manifold so that a portion of the gas curtains are deflected towards the edge of the web. The gas curtains that directly impact the web, in combination with a portion of the gas curtain that extends beyond the edge of the web and the portion that is created by the opposing gas curtain, create turbulence at the side marginal edges of the moving web to remove the liquid edge bead and to carry the liquid away from the marginal edges and the moving web.

REFERENCES:
patent: 3192752 (1965-07-01), Dowd et al.
patent: 3543775 (1970-12-01), Bodnar
patent: 3601837 (1971-08-01), Conrad
patent: 4017982 (1977-04-01), Goffredo
patent: 4400961 (1983-08-01), Schaming
patent: 4691549 (1987-09-01), Adair

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