| 摘要 |
FIELD: packaging industry.SUBSTANCE: invention relates to self-cooling containers for food products or beverages, aerosol containers, etc. Valve mechanism is attached to cup support and heat exchange unit is kept in place by pressing of valve cup projection on periphery of holes in heat exchange unit. Valve mechanism additionally comprises hollow housing accommodating first and second valves. First valve is designed to feed and discharge of compressed medium in container from container. Second normally closed valve is designed to open flow path in response to pressure of compressed medium, reaching certain level and continuously exposed to action of compressed medium and in response to pressure of compressed medium reaching preset level, for discharge of above medium into atmosphere in order to reduce excessive pressure.EFFECT: self-cooling container accommodating compressed medium contains heat exchange unit having hole, valve mechanism configured to provide communication heat exchange unit with atmosphere and comprising valve cup attached to closing container and having support and ledge.10 cl, 8 dwg |
