Package for flowable products

Claim 1

A PARTIALLY FILLED FLEXIBLE SEALED BAG FOR SEALED RETENTION OF A FLOWABLE VENDIBLE PRODUCT THEREIN COMPRISING: AN ELONGATE STRIP OF TOUGH PLIABLE THERMOPLASTIC MATERIAL FOLDED TRANSVERSELY ALONG SUBSTANTIALLY A MEDIAN LINE THEREOF TO PROVIDE A LOWER EDGE OF SAID BAG AND BROUGHT TOGETHER TO FORM FRONT AND BACK WALLS; LIQUID TIGHT SEALS FORMED BY HEAT SEALING OPPOSED COMPLEMENTARY SURFACES OF THE EDGES OF SAID FRONT AND BACK WALLS TOGETHER ALONG A COMMON MARGINAL STRIP AROUND THE TOP AND SIDE EDGES OF SAID BAG; A FLOWABLE PRODUCT WITHIN SAID BAG, SAID PRODUCT ONLY PARTIALLY FILLING SAME SO THAT WHEN THE BAG IS HELD UPRIGHT AN EMPTY SPACE IS DEFINED BETWEEN THE SURFACE LEVEL OF THE PRODUCT AND THE TOP OF THE BAG; PORTIONS OF SAID BAG ADJACENT THE TOP AND BOTTOM EDGE SEALS BEING FOLDED OVER ALONG FOLD LINES SPACED FROM THE RESPECTIVE TOP AND BOTTOM EDGE SEALS THEREBY TO REDUCE THE LOAD STRESS ON THE CORNERS AND LATERAL EDGES OF SAID FOLDED OVER PORTIONS DUE TO THE WEIGHT OF SAID PRODUCT IN SAID BAG; AND, MEANS SECURING ONE SAID FOLDED OVER BOTTOM PORTION OF SAID BAG; AND A BOX COMPLETELY ENCLOSING SAID BAG AND MAINTAINING SAID FOLDED PORTIONS IN SAID FOLDED OVER POSITION.