FLOATING MULTICHAMBER INSERT FOR FLUID VESSELS Russian patent published in 2009 - IPC B65D51/28 

FIELD: package.

SUBSTANCE: invention concerns multichamber container applicable as insert for pressed vessel for liquid. Insert for pressed vessel for liquid includes food chamber for additional substance placement and pressure chamber with at least one small-size hole outwards, and cap closing both chambers. Pressure and food chamber shapes are selected so as the hole stands above liquid level when floating, and food chamber is surrounded by pressure chamber in circle at least around one section close to the cap, when seen from above. Cap features additional sealing tools applied to each side wall of both chambers at equal distance from respective wall end. Distance between sealing line of cap at side wall of pressure chamber and the wall end exceeds distance between sole or most distant sealing line of cap at side wall of food chamber and line in upper end area of the same side wall of food chamber, starting from which sealing in not applied.

EFFECT: complete and highly reliable detachment of cap from food chamber wall by opening bottle with drinks, allowing for maximum penetration of additional substance to liquid.

25 cl, 3 dwg