Patent ID: 9157459
Filing Date: 2015-10-13
Classification: F04B,F04F,Y10T

Abstract:
1. A liquid storage container having a double structure provided with an outer container forming an outer shell and a flexible container arranged in the outer container, the flexible container accommodating a liquid, wherein the liquid is pushed out from the flexible container by gas pressure introduced into the outer container so as to flow out to an exterior of the container from a siphon of a plug attached to a stopper portion of the outer container, a substantially concentric outer tube is arranged on an outer periphery of the siphon so as to form a space portion serving as a liquid flow passage, a through hole is formed on a tube wall of the outer tube, an outlet opening is provided for making the inflow liquid coming from the through hole flow out from the liquid flow passage, and the outlet opening is formed in an outer tube retaining member inserted into and attached to the liquid flow passage from a lower end of the outer tube.