Multiple chamber fluid container

Abstract

A multiple chamber stackable cup or bottle has an air space separation between the chambers. A rotatable cap with a single sealable spout pivots to access each chamber individually. Alternately, a stationary cap has multiple sealable openings, one for each chamber, which communicate one chamber at a time. Tapered bodies enable the multiple chamber bodies to be stacked in a nested array.

1 . A multiple chamber fluid container comprises:
 a multiple fluid container body comprising at least two separate fluid chambers each comprising surrounding walls and a connected bottom enclosing an interior space for containing fluids, and a top chamber opening for accessing the interior space to form a separate body portion spaced apart from the body portion of each other body portion by an air space between adjacent wall portions, the at least two separate fluid chambers interconnected at the top chamber opening by an interconnecting ridge between the adjacent wall portions and a common top lip at a top edge of non adjacent wall portions to form a larger shared fluid container body opening accessing the top chamber openings of each of the separate fluid chambers, each of the at least two separate fluid chambers configured with tapering wall surfaces narrower at the bottom to stack a plurality of fluid container bodies together in a nested array for storing or shipping empty containers;   a cap comprising a top surface and surrounding downwardly facing channel around an outer edge of the top surface, the channel removably mating with the shared top lip to seal the multiple fluid container opening and means for sealing each of the at least two fluid chambers to retain a fluid therein separately from a fluid in any other fluid chamber;   a least one fluid access opening formed in the top surface for accessing each of the interior spaces of the at least two separated fluid chambers;   means for accessing one of the at least one opening at a time to access one of the at least two separated fluid chambers while maintaining the other of the at least two separated fluid chambers sealed closed to retain a fluid therein.   
   
   
       2 . The multiple chamber fluid container of  claim 1  wherein the means for sealing each of the at least two fluid chambers comprises a portion of the cap contacting the interconnecting ridge between the adjacent wall portions to separate the top chamber openings of the at least two fluid chambers. 
   
   
       3 . The multiple chamber fluid container of  claim 2  wherein the cap has a separate fluid access opening for each of the at least two separate fluid chambers and the means for accessing one of the at least one fluid access opening at a time comprises a sealing tab over each of the separate fluid access openings. 
   
   
       4 . The multiple chamber fluid container of  claim 3  wherein the at least two separate fluid chambers are fabricated of a thermally insulating disposable synthetic material, the cap is fabricated of molded plastic, and the sealing tabs are molded into the cap with living hinges to open and close the sealing tabs. 
   
   
       5 . The multiple chamber fluid container of  claim 2  wherein the cap has a single fluid access opening with a sealing tab and the means for accessing one of the at least one fluid access opening at a time comprises a rotatable cap to rotate the single fluid access opening over each of the separate fluid access openings one at a time and the cap further comprises a sealable fluid access spout over the fluid access opening. 
   
   
       6 . The multiple chamber fluid container of  claim 5  wherein the at least two separate fluid chambers are fabricated of at least one material taken from the list of materials comprising glass, metal, plastic, synthetic foam. 
   
   
       7 . The multiple chamber fluid container of  claim 6  wherein the at least two separate fluid chambers each comprise thermally insulated wall surfaces. 
   
   
       8 . The multiple chamber fluid container of  claim 7  wherein the thermally insulated wall surfaces are fabricated with double layer wall surfaces having a thermally insulating substance between two surfaces of the double layer wall surfaces. 
   
   
       9 . The multiple chamber fluid container of  claim 1  wherein the at least two separate fluid chambers are fabricated of a thermally insulating material.