| 摘要 |
A flexible container for liquid storage, the container comprising; a collapsible bag (14) element enclosed within an outer bag (12) and integrally formed with a substantially circular neck (16) defining an opening for liquid flow therethrough, the interior of the neck having a recessed annular lip (48) formed at the top end thereof; and valve apparatus (18) for controllably determining the flow rate of stored liquid through the neck, the valve apparatus (18) comprising a substantially cylindrical outer cap (50) and an inner valve plug (60) retained in a centrally located opening thereof, the inner valve plug (60) being shaped to form a lower section (61) and an upper surface (70) having at least one flow channel adjacent thereto, the outer cap (50) being adapted to engage the exterior of the neck in respective shut-off and flow positions wherein the inner valve plug lower (61) section is respectively seated on and spaced apart from the recessed annular lip (48) for blocking and enabling liquid flow through the neck opening, enabled liquid flow continuing through the at least one adjacent upper surface flow channel for discharge through the central opening in the outer cap. |
