Boots – shoes – and leggings
Patent
1989-11-27
1991-12-31
Smith, Jerry
Boots, shoes, and leggings
364479, 239 1, 239 69, 239 97, G06F 1562
Patent
active
050776533
ABSTRACT:
This invention relates to a process for spreading an active product in the liquid or pulverulent state over the ground in predetermined discrete zones of the surface thereof by selective programmation, the process being of the type in which the product is sprayed onto the ground via at least one boom presenting a plurality of spray nozzles, said process being characterized in that the individual flowrate of each nozzle, or group of nozzles, is monitored by appropriate control circuits, said nozzles being provided to that end with an appropriate regulating member, such monitoring being effected from a central programming unit adapted to regulate at any instant the spraying of the product at each nozzle or group of nozzles, as a function of its instantaneous position plumb with a determined discrete zone. The invention also relates to a spraying device associated with a micro-processor ensuring programmation of each nozzle.
REFERENCES:
patent: 3815830 (1974-06-01), Rowan
patent: 4093107 (1978-06-01), Allman et al.
patent: 4220998 (1980-09-01), Kays
patent: 4530463 (1985-07-01), Hiniker et al.
patent: 4637547 (1987-01-01), Hiniker et al.
patent: 4669662 (1987-06-01), Bruce
patent: 4714196 (1987-12-01), McEachern et al.
Gordon Paul
Smith Jerry
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