Fluid sprinkling – spraying – and diffusing – Processes
Patent
1997-11-19
1999-07-27
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Processes
239 13, 239135, 239172, 47 15, A01M 700, A01M 2100
Patent
active
059276010
ABSTRACT:
A method of killing or controlling vegetation particularly along roadside berms involves the application of pressurized hot water from a moving applicator head in close proximity to the ground. The pressurized hot water is applied as jets of hot water from an applicator head at a temperature in the range of 100.degree. C. to 110.degree. C. and a flow rate of about 10 liters/minute supplied from one or pumps operating at a pump pressure of between 200 and 1000 psi. The apparatus is mounted on or in a vehicle such as a van, containing a water tank (1), a boiler (2) arranged to heat pressurized water supplied by a pump (4) under pressure to the boiler (2). The pump (4) is a piston pump which supplies the pressurized water through the boiler to a hand held applicator (5) or optionally a towed boom applicator (6). The hand held applicator (5) has an applicator head inside a shroud so that the pressurized hot water is applied to the surface of vegetation as jets of water within the confines of the shroud.
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Collins Graham Leslie
Newson Richard John
Douglas Lisa A.
Kashnikow Andres
Waipuna International Limited
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