Apparatus for applying a viscous liquid material and method of c

Details Apparatus for applying a viscous liquid material and method of c Apparatus for applying a viscous liquid material and method of c

1992-08-11

1994-09-27

Drodge, Joseph W.

Coating processes

Nonuniform coating

118323, 118696, 118301, 65 43, 427 64, 427284, 427421, B05D 500, B05B 300

Patent

active

053506006

ABSTRACT:
Disclosed is an apparatus for applying a viscous liquid material and a method of controlling the discharge of the viscous liquid material. The apparatus has a movable nozzle having a port for discharging the viscous liquid material in a predetermined discharging direction. The nozzle is movably arranged to controllably trace a predetermined track. A shutter for controllably closing the port of the nozzle includes a shiftable member arranged on the port to move relative to the port between a first position and a second position along a plane which crosses the discharging direction of the nozzle so that the shiftable member release and covers the port of the nozzle. The present invention is suitable for application on a loop track or a closed path. In the method, it is preferred that the first position is located on the front side of the second position facing toward a direction in which the nozzle advances at termination of tracing with the viscous liquid material.

REFERENCES:
patent: 2837242 (1958-06-01), McLaughlin
patent: 3492146 (1970-01-01), Kornaker
patent: 3779424 (1973-12-01), Shapland
patent: 4137341 (1979-01-01), Adachi
patent: 4234372 (1980-11-01), Bernard et al.
patent: 4262036 (1981-04-01), Mineyama et al.
patent: 4482579 (1984-11-01), Fujii et al.
patent: 4576113 (1986-03-01), Kambara et al.

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