Hydration pouch with integral thermal medium

Abstract

Abstract of Disclosure A hydration system with integral thermal medium is described. It includes a sealable sac or pouch closely associated with a cooling and/or heating medium. The pouch includes an interior portion with a sealable opening to receive liquid for consumption and at least one exterior portion containing the medium. The pouch may be fit into a backpack. It is preferred that any pack used includes insulation. A conduit, preferably capped by a valve, may be fluidly connected to the interior of the pouch to facilitate remote use of the same. In preparation for use, the pouch is preferably chilled, for example in a freezer, or heated, for example in a microwave and then filled with liquid to be consumed by a user to maintain hydration or for enjoyment.

Claims 
     
         1.  A hydration system comprising a flexible pouch including a plurality of layers forming at least two compartments, at least one of said compartments being filled with a thermal capacitance medium. 
     
     
         2.  The system of  claim 1 , wherein said pouch is formed by joined sheets of material. 
     
     
         3.  The system of  claim 1 , wherein said pouch is formed by a first bag surrounded at least partially by the second bag. 
     
     
         4.  The system of  claim 1 , wherein said pouch is formed by a first sleeve surrounded at least partially by a second sleeve. 
     
     
         5.  The system of  claim 1 , wherein said medium consists of a cooling medium. 
     
     
         6.  The system of  claim 1 , wherein said medium consists of heating medium. 
     
     
         7.  The system of  claim 1 , further comprising a conduit having an inlet and an outlet, said inlet being in fluid communication with a compartment for drinking fluid. 
     
     
         8.  The system of  claim 7 , further comprising a value at said conduit outlet. 
     
     
         9.  The system of  claim 8 , further comprising a pack configured to receive said pouch and be wearable by a user.