Container with cover flange and method of forming

Claim 1

A CONTAINER FORMED FROM RELATIVELY THICK, FOLDABLE PAPERBOARD, COMPRISING END AND SIDE WALLS, COVER PANELS HINGED TO THE TOP EDGES OF THE SIDE WALLS, EACH COVER PANEL HAVING A DIMENSION AT RIGHT ANGLES TO ITS HINGE TO ADAPT IT TO EXTEND SUBSTANTIALLY HALF-WAY ACROSS THE TOP OF THE CONTAINER, DEPENDING FLANGES ON THE MEETING EDGES OF THE COVER PANELS, EACH FLANGE COMPRISING AN ELONGATED OUTER PANEL INTEGRALLY JOINED ALONG A FOLD LINE TO THE OUTER EDGE OF THE COVER AND AN ELONGATED INNER PANEL INTEGRALLY JOINED ALONG A FOLD LINE TO THE FREE EDGE OF THE OUTER PANEL, THE END EDGES OF SAID FLANGE PANELS TERMINATING ADJACENT THE ENDS OF THE COVER PANEL AND BEING FREE OF CONNECTION WITH THE COVER PANEL, SUCH INNER AND OUTER PANELS BEING ARRANGED TO BE SECURED TOGETHER IN FACING RELATION AND IN DEPENDING RELATION TO THE COVER, AN ANCHORING PANEL INTEGRALLY JOINED ALONG A FOLD LINE TO THE FREE EDGE OF THE INNER PANEL, THE EFFECTIVE WIDTH OF THE INNER PANEL BEING SLIGHTLY LESS THAN THE WIDTH OF THE OUTER PANEL MEASURED ON ITS SIDE FACING THE OUTER PANEL, THE INNER PANEL BEING FOLDED FLAT AGAINST AND FIRMLY SECURED BY ADHESIVE TO THE OUTER PANEL, AND THE ANCHORING PANEL BEING FIRMLY SECURED BY ADHESIVE TO THE UNDER FACE OF THE COVER WITH THE ANGLE BETWEEN THE ANCHORING PANEL AND INNER PANEL CLOSELY RECEIVED WITHIN THE ANGLE FORMED BETWEEN THE OUTER PANEL AND THE COVER, WHEREBY THE FLANGES ON THE COVERS ARE EACH RIGIDLY HELD AT AN ANGLE OF LESS THAN 90* WITH RESPECT TO THE UNDER SURFACE OF THE ATTACHED COVER.