DRIP PREVENTION DEVICE IN A SEALER GUN

A sealer gun that discharges a liquid material of a coating agent/a filler from a nozzle on its tip is securely prevented from producing dripping that arises as a liquid material drips from the tip of the nozzle and remains when a discharge of the liquid material is stopped. A pump that includes a c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	MURAO, JUNICHI, MATSUYAMA, SHOJI, ISHIYAMA, KAZUHIRO, SASAKI, TOORU, KUDO, HIROTA, MAENO, KICHIZO, SATO, KAZUHIKO, ODASHIMA, SHOUICHI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPARATUS FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS BUILDING FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS FIXED CONSTRUCTIONS NOZZLES PERFORMING OPERATIONS SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL TRANSPORTING
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Beschreibung
Zusammenfassung:	A sealer gun that discharges a liquid material of a coating agent/a filler from a nozzle on its tip is securely prevented from producing dripping that arises as a liquid material drips from the tip of the nozzle and remains when a discharge of the liquid material is stopped. A pump that includes a cylinder and a piston fitting in the cylinder capable to move in and out freely is assembled onto a discharge cylinder of the sealer gun, an operation rod interlocked with the piston of the pump and a grip member are interlocked via an interlock mechanism so as to perform pump operation of suction-discharge by moving in and out the piston caused by pivoting motion of the grip member, and a suction-discharge aperture of the pump is positioned in an internal space of the nozzle, and it is configured such that when a discharge of a liquid material is stopped by releasing the grip member, a negative or positive pressure is introduced into the nozzle owing to pump operation caused by resilient pivoting of the grip member.