CONTAINERS FOR DRINKS Russian patent published in 2009 - IPC B65D43/02 

FIELD: mechanics; containers.

SUBSTANCE: proposed container for drinks includes a vessel with a central axis that is sealed by an elastic material cap. The said vessel comprises a neck with a hole, while the cap comprises a sealing plate with a skirt extending around the neck outer surface. The skirt inner surface has a continuous circular flange tightly jointed to the back side of the continuous circular shoulder fitted on the neck outer side and directed downward to prevent the cap axial shift relative to the vessel. The circular flange axial section features an elongated shape, the flange proper being jointed to the cap by a flexible movable coupler. The flange free end extreme surface is tightly coupled with the said shoulder back side. Note that elasticity of the said movable joint facilitates the tightness of the joint between the aforesaid free end side surface and the neck outer surface.

EFFECT: simpler design, high tightness, resistance to relatively high pressure.

11 cl, 6 dwg