Fluid-storing and -dispensing container

Abstract

A fluid-storing and -dispensing container includes a tubular fluid-storing portion 10; a piston 20 capable of traveling inside the fluid-storing portion 10 in the axial direction; an inflow valve mechanism 30 provided at the bottom of the fluid-storing portion 10 and enabling outer-air to flow into the fluid-storing portion 10; and an outflow valve mechanism 40 provided in an opening portion of the fluid-storing portion 10 and enabling a fluid to flow out from the fluid-storing portion 10.

Description

technical field [0001] The present invention generally relates to a fluid storage and dispensing container which stores fluid liquid-tight therein and discharges the stored fluid when squeezed from the outside. Background technique [0002] Heretofore, as such a fluid storage container, a fluid storage container that improves operability by maintaining the shape of the fluid storage container regardless of the amount of fluid stored therein is known. For example, the container described in Japanese Patent Publication JP2000-109103 comprises two layers consisting of an inner layer in which a fluid is stored and an outer layer which surrounds the outside of the inner layer. In the outer layer, a valve mechanism is provided to allow outside air to flow into the space formed between the outer layer and the inner layer. Since such a structure is provided, even when the capacity of the inner layer is reduced because the fluid stored inside the inner layer has flowed out, the outs...

AI Technical Summary

Problems solved by technology

However, if an inner layer lacking elastic properties is used, the inner layer cannot be reused

Furthermore, since the container described in Japanese Patent Laid-Open JP2000-109103 has a double-layer structure including an inner layer and an outer layer, it is inevitable that the structure becomes complicated and its assembly also becomes complicated

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