Spraying device having an additive fluid dispenser at an exit en

Details Spraying device having an additive fluid dispenser at an exit en Spraying device having an additive fluid dispenser at an exit en

1987-07-27

1989-08-22

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Including supply holder for material

To be mixed, dissolved or entrained in a flowing liquid...

239315, 239322, 239397, 239576, B05B 726

Patent

active

048588300

ABSTRACT:
A spraying device comprising a spray tube having a fluid entrance end connectable to a primary fluid source, and a fluid exit end upon which an additive fluid dispenser is removably mounted. The additive fluid dispenser, having a chamber for holding additive fluid and a mixing chamber, is coupled to the fluid exit end of the spray tube in coaxial alignment with the direction of flow of primary fluid through the spray tube, causing opening of a valve mechanism in the fluid dispenser. The additive fluid then is metered into the primary fluid flowing through the dispenser, by diverting a portion of the primary fluid flow against a movable piston on a piston guide member-primary fluid conduit, to cause flow of the additive fluid through the valve mechanism. The spray tube may be of elongated telescoping construction, or of nontelescoping construction, and may include a control valve. The additive fluid dispenser preferably comes prefilled, is removably mounted on the spray tube by a quick-releasable connection, and is disposable.

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