Method of making an insulated picnic jug or container

Claim 1

THE METHOD OF FORMING AN ENCLOSING MEMBER FOR A CONTAINER CONSISTING IN FORMING THE SAID ENCLOSING MEMBER BY A BLOW METHOD TO PROVIDE THE SAME WITH AN INTEGRAL BOTTOM, AN UPSTANDING PERIPHERAL WALL, A TOP AT THE UPPER END OF THE PERIPHERAL WALL, AND AN APERTURED NECK UPWARDLY FROM THE TOP, SAID PERIPHERAL WALL INCLUDING UPWARDLY AND DOWNWARDLY OF A LINE AT A POINT INTERMEDIATE THE ENCLOSING MEMBER BOTTOM AND TOP COMPLEMENTARY INTERLOCKING PORTIONS INCLUDING A SLEEVE UPWARDLY AND DOWNWARDLY OF SAID LINE ADAPTED TO BE SUBSEQUENTLY TELESCOPED WITH ONE ANOTHER, SAID ENCLOSING MEMBER DURING THE FORMATION THEREOF HAVING FORMED IN THE SAID PERIPHERAL WALL BETWEEN ONE OF THE SLEEVES AND THE AFOREMENTIONED LINE A BAND HAVING AN INCLINED OUTER SURFACE, SEVERING THE ENCLOSING MEMBER ON THE AFORESAID LINE BETWEEN THE AFORESAID COMPLEMENTARY LOCKING PORTIONS TO PROVIDE AN UPPER PART AND A LOWER PART, AND SUBSEQUENTLY TELESCOPING THE UPPER PART AND LOWER PART SLEEVES THROUGH THE INCLINED OUTER SURFACE OF THE BAND ACTING AS A CAM IN TELESCOPING THE SAID SLEEVE PORTIONS OF THE SAID INTELOCKING PORTIONS FOR RECONNECTING THE ENCLOSING MEMBER UPPER AND LOWER PORTIONS OF THE CONTAINER FOR FORMING A COMPLETELY ENCLOSING CONTAINER.