| 摘要 |
FIELD: self-cooling bottles. SUBSTANCE: device comprises vessel and package. Package includes upper and lower closures and two shells arranged coaxial to vessel and extended between closures. Two inner shells have orifices. Coolant is introduced into gap between outer shell and inner shell close to outer shell. One inner shell may perform rotational motion about longitudinal axis thereof. Orifices of one inner shell are adjusted to orifices of another inner shell for coolant movement to outer vessel orifice. EFFECT: possibility of quick repeatedly bottle in any case. 5 dwg
|
