Combination container and pump

Details Combination container and pump Combination container and pump

B - Operations, Transporting

65

D

222/78

B65D 83/00 (2006.01) B05B 11/00 (2006.01) B65D 47/34 (2006.01)

Patent

CA 2027786

A pump is mounted in one end of a cylindrical con- tainer for storing a liquid, for drawing the liquid stored in the cylindrical container and discharging the drawn liq- uid out of the cylindrical container. A gasket is slidably disposed in the opposite end of the container in keeping the liquid sealed in the cylindrical container. The gasket is movable toward the pump as the amount of the liquid stored in the cylindrical container is reduced when the liquid is discharged from the cylindrical container by the pump. The gasket has a slanted surface facing the pump for contact with the liquid stored in the cylindrical container, the slanted surface being inclined progressively toward the sec- ond axial end. The gasket also has a cylindrical surface defining a communication hole defined axially therethrough and having an inner end opening at the slanted surface. The communication hole provides communication between the inte- rior and the exterior of the cylindrical container. A cap comprises a cap body inserted in the communication hole and a flange closing an outer end of the communication hole. At least either one of the cap body and the cylindrical surface has at least one axial groove. Air bubbles which may have been trapped in the container when the liquid is charged into the container move along slanted surface into the com- munication hole and then is escaped from the container through the groove.

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