SELF-COOLING CONTAINER FOR LIQUIDS; COOLING AGENT DISCHARGE UNIT FOR SUCH CONTAINER AND CONTAINER PROPER Russian patent published in 1998 - IPC

FIELD: self-cooling containers for fresh drinks. SUBSTANCE: container includes chamber 12 for liquid to be cooled which is secured to its base; chamber 30 containing cooling agent is located at least partially inside chamber 12; cooling agent is kept in this chamber under pressure. Chamber 30 is hydraulically isolated from chamber 12 and is connected with it through heat transfer. Container is provided with cooling agent discharge unit, device for forming third chamber 20 having cooling agent escape cavity 21 isolated from chamber 30 by breakable wall and cooling activation device which is used for selective forming of hydraulic passage from chamber 20 to chamber 21 of third chamber 20; it is provided with piercing member. EFFECT: easy in use, effective in cooling and ecologically pure. 30 cl, 6 dwg