Orifice, liquid feeding device and coating device using the same, and method of manufacturing optical film

Orifice, liquid feeding device and coating device using the same, and method of manufacturing optical film

Provided is an orifice which promotes deaggregation and prevents particles from staying in one place. Also, provided are a liquid feeding device using the same, an application device, and a method for producing an optical film. To this end, the orifice comprises: an orifice main body; an inlet posit...

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Hauptverfasser: YAMAGUCHI, TAKASHI, HIGASHI, RYOCHI, MATSUOKA, AKIHIRO, YOKOYAMA, HIROKI
Format: Patent
Sprache:chi ; eng
Schlagworte:
APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
ATOMISING APPARATUS
NOZZLES
PERFORMING OPERATIONS
SPRAYING APPARATUS
SPRAYING OR ATOMISING IN GENERAL
TRANSPORTING
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creator YAMAGUCHI, TAKASHI
HIGASHI, RYOCHI
MATSUOKA, AKIHIRO
YOKOYAMA, HIROKI
description Provided is an orifice which promotes deaggregation and prevents particles from staying in one place. Also, provided are a liquid feeding device using the same, an application device, and a method for producing an optical film. To this end, the orifice comprises: an orifice main body; an inlet positioned at an entrance of the orifice main body; a shaft diameter part including a curved surface of which the radius of curvature connected to the inlet is 1-10 mm, and further including a primary inner lateral wall having a shaft diameter surface connected to the curved surface and axially crossing a narrow aperture at an angle of 120-180; and an enlarged diameter part connected to an outlet from the narrow aperture and including a secondary inner lateral wall enlarged at an angle of 2-10. The ratio of the diameter of the inlet to the diameter of the narrow aperture is 0.07-0.18.
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subjects APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
ATOMISING APPARATUS
NOZZLES
PERFORMING OPERATIONS
SPRAYING APPARATUS
SPRAYING OR ATOMISING IN GENERAL
TRANSPORTING
title Orifice, liquid feeding device and coating device using the same, and method of manufacturing optical film
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