Air knife device for regulating the thickness of a deposit

Details Air knife device for regulating the thickness of a deposit Air knife device for regulating the thickness of a deposit

1995-10-26

1997-09-09

Czaja, Donald E.

Coating apparatus

With heat exchange, drying, or non-coating gas or vapor...

To remove or spread applied coating by gas blast

118 62, 118 58, 118 65, 427349, 427431, 4274342, 427435, B05C 1106

Patent

active

056651600

ABSTRACT:
An air knife device for regulating the thickness of a layer deposited on a strip at the output of a bath, comprising at least one nozzle defined by two lips spaced a small distance apart, the nozzle being supplied with pressurized fluid in order to blow at least one flat jet of fluid onto the strip. The device is associated with at least one fluid cushion stabilizer arranged on at least one side of the nozzle along one of its lips and comprising a substantially flat wall extending from this lip in a direction substantially parallel to the strip so as to define a thin, flat space between the wall and the strip. A fluid is introduced into this space for the formation of a fluid cushion which is able to stabilize the vibrations of the strip.

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