B - Operations – Transporting – 02 – C
Patent
B - Operations, Transporting
02
C
32/28
B02C 11/06 (2006.01) B05B 1/04 (2006.01) B05B 13/02 (2006.01) B05C 11/06 (2006.01) B05C 11/10 (2006.01) C23C 2/20 (2006.01) C25D 7/06 (2006.01)
Patent
CA 1097909
ABSTRACT OF THE DISCLOSURE A nozzle for use in apparatus for controlling the thickness of liquid coating on a continuous web where the nozzle or pair of such nozzles are used to direct a thin jet of fluid for impingement across the width of the moving web having liquid coating thereon. The nozzle is constructed such that the fluid in the portion of the jet on either side of the centre of the nozzle have components of motion towards the edges of the web. The nozzle is in the form of an elongated body disposed transversely to the length of the web in the coating apparatus. The elongated body has a cavity providing a plenum chamber extending longitudinally along the body and an orifice along one edge of the body communicating with the plenum chamber along the length thereof. An inlet port in the body communicates with the plenum chamber and such inlet port has side walls diverging in a direction toward the plenum chamber with reference to a plane parallel to the length of the plenum chamber. Means are provided in the cavity between the inlet port and the orifice to direct the fluid from the inlet port toward the orifice and in such a manner as to cause components of motion of the jet issuing from the cavity to appropriately direct excess coating on the web controlling the thickness thereof.
278179
Johnson & Hicks
National Steel Corporation
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