Docking device accessory knapsack sprayers and / or similar, to apply to that type of pulverizadores that are from a container of liquid treatment and deposit which is derived a hose in one end of which carries a valve manually operated arising in a spear to which is engageable a spray nozzle, or a alargadera entering the proper nozzle, and whose alargadera engages the end lance fashion telescópica, essentially is defined because on the pipe is the alargadera is mounted a cap outer surface frustoconical, with the difference that in the front end or higher diameter as cap is provided a hermetic seal resting on the corresponding edge one piece secured the diameter demayor end of the tube, with a difference or clearance between the two tubes trailers in or den apermitir circulation between them of liquid; being provided that piece secured to the larger diameter tube present its outer surface provided with a thread supplementary otherwise provided in a nut riding on that, known nut is derived a stretch frustoconical adjusting on the outer surface cap, besides being affected this slot in the sense of its generatrices. (Machine-translation by Google Translate, not legally binding)
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