Fluid sprinkling – spraying – and diffusing – Flow line or nozzle attached or carried handgrip or handle – Spray pole type
Patent
1990-06-21
1992-12-15
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Flow line or nozzle attached or carried handgrip or handle
Spray pole type
2392885, 239290, 239583, 239DIG21, B05B 1506, B05B 128
Patent
active
051709430
ABSTRACT:
A high velocity pneumatic device having particular use for excavating or dislodging soil. The device includes a body or housing having a passage that connects a source of air under pressure, such as a compressor, to an elongated discharge tube. A valve mechanism is disposed in the passage and controls the flow of air through the tube. Mounted in the distal end of the tube is a nozzle having an inwardly converging upstream and an outwardly diverging downstream end which increases the velocity of the air being discharged through the tube. A manually operable trigger is directly connected to the valve mechanism and actuates the valve to discharge air through the tube. The nozzle is formed of a non-sparking metal, such as brass, while the tube is composed of an electrically nonconductive material, such as glass reinforced resin.
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patent: 4651929 (1987-03-01), Kranzle
patent: 4867380 (1989-09-01), Sibbertsen
Kashnikow Andres
M-B-W Inc.
Trainor Christopher G.
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