Shipping container

Claim 1

A SHIPPING CONTAINER THAT IS HIGHLY RESISTIVE TO RUPTURE WHEN SUBJECTED TO SEVERE DROP TESTS AND ROUGH HANDLING, AND YET IS CONSTITUTED OF LIGHT, RELATIVELY INEXPENSIVE MATERIALS, SAID CONTAINER COMPRISING AN OUTER CASING, AND AN INNER CONTAINER SEPARATE FROM SAID CASING EXCEPT AT THE OUTLET FOR THE LIQUID CONTAINED THEREIN, THE BODY OF SAID OUTER CASING BEING COMPOSED OF A PLURALITY OF CONVOLUTELY WOUND LAYERS OF KRAFT PAPER BONDED TOGETHER TO FORM A RIGID MULTI-PLY, ANNULAR TUBE, A RIGID DISC-SHAPED TOP WALL AND A RIGID DISC-SHAPED BOTTOM WALL CLOSING THE ENDS OF SAID CASING BODY, SAID BOTTM WALL AT LEAST HAVING ITS PERIPHERAL EDGE PORTION DISPOSED AT RIGHT ANGLES TO THE ANNULAR WALL OF SAID CASING BODY TO FORM A RIGHT ANGLED JUNCTURE THEREBETWEEN, AN ANNULAR MEMBER PERMANENTLY SECURED TO EACH END OF SAID CASING BODY AND PERMANENTLY CONNECTING THE PERIPHERY OF AN ASSOCIATED END WALL TO SAID CASING BODY, SAID TOP WALL BEING PORVIDED WITH AT LEAST ONE OUTLET OPENING, SAID INNER CONTAINER CONSISTING OF A SEAMLESS, MOLDED, SINGLE PIECE OF PLASTIC MATERIAL FORMED TO PROVIDE AN ANNULAR BODY PORTION, AND TOP AND BOTTOM WALLS INTEGRALLY JOINED TO THE ENDS OF SAID BODY PORTION BY TOP AND BOTTOM ROUNDED END PORTIONS, OF WHICH THE BOTTOM ONE AT LEAST IS CURVED IN CROSS-SECTION THROUGH 90*, AND THE PLASTIC MATERIAL OF SAID CONTAINER BEING OF A THICKNESS SUCH THAT THE INNER CONTAINER CANNOT PER SE BE USED TO TRANSPORT LIQUID IN INTERSTATE COMMERCE, THE BODY OF SAID CLOSED INNER CONTAINER CONFORMING IN SHAPE TO THE INTERIOR OF SAID CASING WITH THE BOTTOM ROUNDED END PORTION AT LEAST OF SAID INNNER CONTAINER SPANNING THE RIGHT ANGLED JUNCTURE OF SAID CASING BOTTOM WALL AND BODY, AND PROVIDING A CUSHION AGAINST SHOCK IMPACT ON THE BOTTOM EDGE OF SAID OUTER CASING OF SUFFICIENT EFFECTIVENESS TO PROTECT THE PRODUCT HOLDING ABILITY OF SAID INNER CONTAINER EVEN WHEN SUCH BOTTOM EDGE OF THE OUTER CASING IS RUPTURED BY SUCH SHOCK IMPACT, AND SAID INNER CONTAINER HAVING AT LEAST ONE OUTLET INTEGRAL THEREWITH AND EXTENDING UP THROUGH THE OUTLET OPENING IN SAID TOP WALL, AND MEANS ON SAID OUTLET FOR LOCKING THE LATTER TO THE RIGID MATERIAL FORMING THE EDGE OF THE OUTLET OPENING.