Containers for liquids

Claim 1

A LEAKPROOF CONTAINER FOR LIQUID PRODUCTS, COMPRISING: A TUBULAR LAMINATED CONTAINER BODY HAVING TOP AND BOTTOM END MEMBERS SECURED TO THE OPPOSITE ENDS OF SAID CONTAINER BODY IN LEAKPROOF END JOINTS; SAID CONTAINER BODY HAVING A FIRST RELATIVELY THIN INNER LAYER OF PARAFFIN WAX IMPREGNATED PAPER AND A SECOND THICK OUTER LAYER OF PARAFFIN WAX IMPREGNATED FIBRE BOARD, SAID SECOND LAYER HAVING A THICKNESS AT LEAST TWICE THAT OF SAID FIRST LAYER; A LAYER OF THERMOPLASTIC INTERPOSED BETWEEN SAID FIRST LAYER AND SECOND LAYER FOR SECURING THEM TOGETHER AND TO PREVENT WICKING OF THE LIQUID CONTENTS OF SAID CONTAINER THROUGH THE FIRST INNER LAYER TO SAID SECOND OUTER LAYER WHICH PROVIDES THE PRINCIPAL STRUCTURAL STRENGTH OF SAID CONTAINER BODY; A COATING OF PARAFFIN WAX ON THE INTERIOR AND EXTERIOR SURFACE OF SAID CONTAINER; AND A SECOND COATING OF WAX, SOFTER AND MORE DUCTILE THAN SAID PARAFFIN WAX COATING, ON THE INNER SURFACE OF SAID BOTTOM END MEMBER AND A MARGINAL SURROUNDING PORTION ON THE INTERIOR OF SSAID CONTAINER BODY ADJACENT SAID BOTTOM END MEMBER, THEREBY PROVIDING A REINFORCED BOTTOM END PORTION OF SAID CONTAINER WHICH IS RESISTANT TO ABUSE AND ROUGH HANDLING.