Two-bottle assembly for preparing and dispensing a solution
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United States of America Patent
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Mar 4, 1986
Grant Date -
N/A
app pub date -
Sep 17, 1984
filing date -
Sep 26, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to an assembly for preparing and dispensing a solution and to the stopper for such an assembly, said assembly comprising a first bottle containing a first liquid component, with an elongated head; a second bottle containing a second component, liquid or solid; a stopper for this second bottle presenting a recess whose shape is homologous of the head of the first bottle, and in which said head is for example screwed. The bottom of the recess is constituted by a membrane of deformable material comprising an axial orifice which is hermetically closed, in the absence of deformation of the membrane, by the natural radial constriction of the material of the membrane. By screwing the first bottle in the stopper, the membrane is axially deformed and the orifice is radially distended, thus allowing the two bottles to be placed in communication in reversible manner. The invention also relates to a process for making the stopper.
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