Applicator for dispensing flowable fertiliser, pesticide or the like

A closed granular chemical handling system has a dispensing valve (30) and a receiving valve (24). The dispensing valve (30) and the receiving valve (24) are automatically opened when the valves are coupled together, and are automatically closed when they are uncoupled from one another. The valves (...

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Bibliographische Detailangaben
Hauptverfasser:	NEYRINCK, RICHARD MARTIN, HOLVERSON, PATRICK DAVID, WOODRUFF, KEITH, BROWN, DOUGLAS PAUL, HOFFMAN, JEFFREY ALAN, TENNE, FRANK DOUGLAS, LUNDIE, WILLIAM ROBERT, MCCUNN, MYRON LEE, DEPAUW, RICHARD ARTHUR, LANDPHAIR, DONALD KEITH
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUSPLANTS APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS BLASTING CATCHING, TRAPPING OR SCARING OF ANIMALS CONVEYING ENGINEERING ELEMENTS AND UNITS FERTILISING FISHING FORESTRY GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HANDLING THIN OR FILAMENTARY MATERIAL HEATING HUMAN NECESSITIES HUNTING JOINTS OR FITTINGS FOR PIPES LIGHTING MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING NOZZLES PACKING PERFORMING OPERATIONS PIPES PLANTING SOWING SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL STORING SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TRANSPORTING TRAPPING UNPACKING WEAPONS
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Beschreibung
Zusammenfassung:	A closed granular chemical handling system has a dispensing valve (30) and a receiving valve (24). The dispensing valve (30) and the receiving valve (24) are automatically opened when the valves are coupled together, and are automatically closed when they are uncoupled from one another. The valves (30, 24) are configured so that the receiving valve (24) always is the first to open and the last to close. They are driven together by a camming structure (54, 58) having a neutral portion (82) that acts as a delay between the opening and closing of both valves (30, 24) so as to allow granular material to flow from between the valves (30, 24) through the receiving valve (24).