Patent ID: 6260767
Filing Date: 2001-07-17
Classification: B05B,D21H,Y10T

Abstract:
A nozzle device for use in a spray coating station for coating a paper or board web, comprising:a nozzle device body;a nozzle piece having a nozzle orifice, wherein said nozzle device body and said nozzle piece each have a surface adapted to mate together under a compressive force;a nozzle piece replacement apparatus suitable for holding a plurality of said nozzle pieces, and for facilitating rapid replacement of nozzle pieces on said nozzle device body; anda clamping means for removably locking said nozzle piece tightly to said nozzle device body, said clamping means comprising;a clamp member having a surface configured to mate with said nozzle piece; andan actuator means suitable for exerting a force to push said clamp member so that said nozzle piece becomes tightly and removably locked to said nozzle device body when the actuator means exerts the force and suitable for moving said clamp member so that said nozzle piece may be removed from said nozzle device body by said nozzle piece replacement apparatus when the actuator means does not exert the force.