Improved trigger mechanism for self-heating/cooling packages...

Details Improved trigger mechanism for self-heating/cooling packages... Improved trigger mechanism for self-heating/cooling packages...

B - Operations, Transporting

65

D

B65D 81/34 (2006.01) B65D 81/32 (2006.01)

Patent

CA 2363979

A trigger mechanism applied to rigid and non-rigid packages and containers to either heat or cool said containers. Said trigger mechanism including a non- porous flexible chamber containing an activating solution connected to another non- porous or porous, flexible chamber containing a reagent wherein previous said chamber is separated from latter said chamber by a breakable seal thus forming the heater/cooler. Said trigger mechanism including at least one appendage, tab, string, tape, strap or ridge, attached (or otherwise integrally formed as part of the packaging) to the outer package of the heater/cooler so that when stress is applied (i.e. pulling action such as opening of a potato chip bag), there is a uniform break along the breakable seal dividing the solution chamber from the reagent chamber causing the chemicals to mix thus initiating the exothermic/endothermic reaction.

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