Patent ID: 7819286

Claim:
A knockdown container for storing, shipping, and dispensing a bulk quantity of a fluid subject to loss of quality, comprising: a flaccid multi-membrane bag ( 56 ) for containing the fluid and for inhibiting the flow of gas therethrough, said bag ( 56 ) having a rigid mouth finish ( 58 ) to which a dispensing fitment ( 66 ) is secured through which the fluid is filled or dispensed; a substantially rigid pressure-tight plastic vessel ( 10 ) within which said bag ( 56 ) is contained, said vessel ( 10 ) having an opening ( 22 ) to which said mouth finish ( 58 ) is secured and from which said dispensing fitment ( 66 ) is accessible externally of said vessel ( 10 ), and said vessel ( 10 ) including a substantially rigid tub ( 12 , 12 A) having a closed end ( 16 , 16 A) and a sidewall ( 18 , 18 A) extending from said closed end ( 16 , 16 A) to a rim ( 20 , 20 A) defining an open end and a closure ( 14 , 14 A) engagable with said rim ( 20 , 20 A) for forming a fluid-tight connection therewith to seal said open end, at least portions of said sidewall ( 18 , 18 A) of said tub ( 12 , 12 A) tapering outward of said closed end ( 16 , 16 A) such that a periphery of said rim ( 20 , 20 A) is larger than a periphery of said closed end ( 16 , 16 A); a Schrader valve ( 76 ) extending through said vessel ( 10 ) and communicating with a space ( 78 ) within said pressure-tight vessel ( 10 ) external of said bag ( 56 ); at least one elastomeric gasket positioned between said tub and said closure on or adjacent said rim for forming said fluid-tight connection between said tub and said closure; and a fastener for mechanically securing said closure to said tub, said fastener being located on said vessel entirely on an external side of said gasket relative to said fluid-tight connection such that said fastener does not compromise said fluid-tight connection formed by said gasket.