Motorized vacuum/pressure pump and stopper

A pump and stopper combination for vacuum or pressure sealing a container. The stopper has a pour opening and a one-way valve movable between an operative position to permit one-way flow of fluid intoor out of the container when the pour opening is in the closed position, and an inoperative position...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FUDGE CHESTER M, LEMME ANTHONY R
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS WEAPONS
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