Coating apparatus – With vacuum or fluid pressure chamber
Patent
1975-10-01
1977-05-31
McIntosh, John P.
Coating apparatus
With vacuum or fluid pressure chamber
118412, B05C 502
Patent
active
040262375
ABSTRACT:
Apparatus for applying glue to a surface of an object moving relatively to the glue applying apparatus is provided by a valve housing having a valve bore therein, the bore having a glue outlet orifice and a glue inlet, the valve housing being adapted to be disposed such that the orifice is adjacent the surface of the object upon which glue is to be applied; valve means are disposed within the valve bore for opening and closing the glue outlet orifice; and a slot is disposed in the outer surface of the valve housing in fluid communication with the orifice and oriented such that the longitudinal dimension of the slot lies substantially parallel to the direction of travel of the surface upon which glue is to be applied, the slot having a cross-sectional area which is smaller than the cross-sectional area of the glue outlet orifice, the length of the slot being sufficient to hold an amount of glue remaining in said slot after the valve means has closed the orifice until the relatively moving surface draws the glue from within the slot.
REFERENCES:
patent: 2065298 (1936-12-01), Abbott
patent: 2118415 (1938-05-01), Pesark
patent: 2879176 (1959-03-01), Franck et al.
patent: 2880698 (1959-04-01), Olson
patent: 3286689 (1966-11-01), Ziemba
patent: 3420208 (1969-01-01), Guthrie
patent: 3509849 (1970-05-01), Blair et al.
patent: 3811405 (1974-05-01), Baker et al.
Emhart Industries Inc.
McIntosh John P.
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