초록 ▼

A container comprised of a top member having an opening for filling and pouring in the conventional manner and a bottom member integrally connected together by a flexible compressible or collapsible mid-section. Means are also provided for externally connecting between the top and bottom member of t

A container comprised of a top member having an opening for filling and pouring in the conventional manner and a bottom member integrally connected together by a flexible compressible or collapsible mid-section. Means are also provided for externally connecting between the top and bottom member of the container, which external means operate to alter and maintain the internal volume of the container. Progressive adjustments in internal volume are possible.

대표청구항 ▼

A container for storing material therein and having an opening adapted for filling and pouring said material contents, said material including volatile components generating a gas pressure in the portion of said container not filled with said material, said internal pressure exceeding the external a

A container for storing material therein and having an opening adapted for filling and pouring said material contents, said material including volatile components generating a gas pressure in the portion of said container not filled with said material, said internal pressure exceeding the external ambient pressure, comprising: a first portion, a second portion, and a third collapsible portion positioned between said first and second portions and joined thereto to form an enclosure for said stored material; adjustable means for incrementally collapsing said collapsible portion, the internal volume of said container being varied for each incremental adjustment, and for maintaining said container at each condition of adjusted internal volume, the volume of said container being subject to reduction incrementally for storage of said container after portions of said contents are discharged from said opening; and means for sealing said opening against the escape of said internal gas under pressure to said ambient.