Multiple compartment package

Claim 1

A COMPARTMENTED PACKAGE ADAPTED TO HOLD AND MIX A PLURALITY OF COMPONENTS AND HAVING AT LEAST TWO ADJACENT COMPARTMENTS OF WHICH ONE IS ADAPTED TO HOLD A LIQUID, COMPRISING; A FLEXIBLE BAG HAVING TWO OPPOSED, SIMILARLY SHAPED OUTER WALLS SECURED TO EACH OTHER TO FORM BETWEEN THEM AN INTERIOR SPACE WITHIN THE BAG; AND RUPTURABLE BARRIER MEANS BETWEEN AND SECURED TO THE TWO OUTER WALLS TO DIVIDE THE INTERIOR SPACE INTO TWO SEPARATE COMPARTMENTS, SAID BARRIER MEANS COMPRISING AN ELONGATED SHEET HAVING A FIRST LAYER OF HEAT SEALING THERMOPLASTIC COMPOUND AND A BACKING LAYER BONDED TO THE FIRST LAYER, AND FOLDED LONGITUDINALLY INTO A U-SHAPE WITH THE HEAT SEALING LAYER OUTSIDE AND THE RESPECTIVE ARMS OF THE U-SHAPED HEAT SEALED BY THE FIRST LAYER OF HEAT SEALING THERMOPLASTIC COMPOUND TO OPPOSED AREAS ON THE INSIDE FACES OF THE OUTER WALLS OF THE BAG PLACING THE LOOP PORTION OF THE HEAT SEALING LAYER BETWEEN THE OUTER WALLS AND EXPOSED TO LIQUID IN SAID ONE COMPARTMENT SAID BARRIER MEANS BEING CONSTRUTED TO BE RUPTURED BY FORCES THAT TEND TO SPREAD THE OUTER WALL APART AND PLACE THE FIRST LAYER UNDER A PREDETERMINED TENSION AT THE LOOP THEREIN, THE BARRIER MEANS RUPTURING ALONG A LINE OF RELATIVE WEEKNESS BETWEEN THE TWO PORTIONS OF THE FIRST LAYER SEALED TO THE OUTER WALLS WHEREBY LIQUID CAN FLOW FROM SAID ONE COMPARTMENT TO THE OTHER ALONG A PATH FOLLOWING SAID LINE OF RUPTURE, SAID BACKING LAYER OF THE BARRIER MEANS CONSISTING OF A SHEET CO-EXTENSIVE WITH SAID LAYER OF HEAT SEALING THERMOPLASTIC COMPOUND AND THAE HEAT SEALABLE BOND BETWEEN THE HEAT SEALABLE THERMOPLASTIC COMPOUND AND SAID BACKING LAYER BEING OF LESS STRENGTH THAN THE CORRESPONDING BOND BETWEEN THE HEAT SEALABLE COMPOUND AND THE WALLS OF SAID BAG TO PROVIDE THE LINE OF RUPTURE WHEN THE WALLS OF BAG ARE SPREAD APART TO SUBJECT THE BARRIER TO RUPTURE FORCES.