B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
32/28
B05C 11/06 (2006.01)
Patent
CA 1192391
COATING THICKNESS CONTROL NOZZLE Abstract of the Disclosure An improved nozzle structure for directing a wide, thin jet stream of a gaseous fluid onto the surface of a running length of c flexible substrate emerging from a liquid coating bath to control the thickness of the coating liquid on the substrate employs a nozzle outlet construction producing laminar flow of the jet stream emerging from the nozzle structure by providing a relatively long, thin conduit extending between an internal plenum chamber in the nozzle structure and the outlet orifice which is defined by smooth, planar, substantially parallel opposed surfaces on the nozzle structure. The internal configuration of the plenum chamber and the air inlet to the nozzle structure provide substantially uniform pressure throughout the length of the plenum chamber to thereby produce uniform flow from the nozzle across its full width. - 1 -
414611
Gobert Robert R.
Smith Robert B.
Johnson & Hicks
National Steel Corporation
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