Can and method of making same

Claim 1

A CONTAINER BODY COMPRISING A HELICALLY WOUND WEB HAVING AN OUTER LAYER AND HAVING AN INNER LAYER OF METALLIC FOIL LAMINATED THEREWITH AND WITH THE FOIL BEING OF INSUFFICIENT STRENGTH TO SUSTAIN THE SHAPE OF THE BODY, THE FOIL HAVING A STRIP PORJECTING LATERALLY OF ONE LONGITUDINAL EDGE OF THE OUTER LAYER CONTINUOUSLY FOR THE FULL LENGTH OF THE OUTER LAYER, ADJACENT TURNS OF THE FOIL BEING OVERLAPPED AND SECURED TOGETHER BY A CONTINUOUS HELICAL SEAM THAT IS FORMED BY THE OVERLAPPED FACE TO FACE ENGAGEMENT OF THE STRIP AND THE FOIL ADJACENT TO THE EDGE OF THE SUCCESSIVE TURN, SAID SEAM BEING BACKED BY THE HELICALLY WOUND OUTER LAYER, AND A CONTINUOUS WELD SECURING THE SEAM FROM ONE END OF THE BODY TO THE OTHER, THERE BEING A HELICAL SEAM OF THE WEB THAT IS SUBSTANTIALLY CO-

Claim 3

A METHOD OF MAKING A HELICALLY WOUND CONTAINER BODY, WHICH METHOD COMPRISES WINDING HELICALLY ON A MANDREL A NON METALLIC WEB ONE SURFACE OF WHICH HAS LAMINATED THERETO A METALLIC FOIL WHEREIN A CONTINUOUS STRIP PART OF THE FOIL EXTENDS LATERALLY OF ONE LONGITUDINAL EDGE OF THE WEB, FORMING A HELICAL SEM DURING THE WINDING BY OVERLAPPING ENGAGEMENT OF THE LATERALLY EXTENDED STRIP PART OF THE WEB AND THE ADJACENT FACING PORTION OF THE FOIL OF THE PRECEDING TURN OF THE WEB, AND WELDING THE OVELAPPED PARTS BY A WELD EXTENDING CONTINUOUSLY ALONG THE SEAM.

Claim 4

A METHOD OF MAKING A HELICALLY WOUND CONTAINER BODY, WHICH METHOD COMPRISES WINDING HELICALLY ON A MANDREL A NON METALLIC WEB ONE SURFACE OF WHICH HAS LAMINATED THERETO A METALLIC FOIL WHEREIN A CONTINUOUS STRIP PART OF THE FOIL EXTENDS LATERALLY OF ONE LONGITUDINAL EDGE OF THE WEB, FORMING A HELICAL SEM DURING THE WINDING BY OVERLAPPING ENGAGEMENT OF THE LATERALLY EXTENDED STRIP PART OF THE WEB AND THE ADJACENT FACING PORTION OF THE FOIL OF THE PRECEDING TURN OF THE WEB, AND WELDING THE OVELAPPED PARTS BY A WELD EXTENDING CONTINUOUSLY ALONG THE SEAM.