Importance

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Abstract

A thermal insulating liner for a container has a bottom panel, a pair of opposed end panels, a first side panel and an opposed second side panel. A first flap is hinged to the first side panel at a first hinge line and a second flap is hinged to the said second side panel at a second hinge line. The first flap and second flap are sized so that they are moveable between an open position whereat the first flap is spaced from said second flap and a folded position whereat a side margin of the first flap which extends along a side edge of the first flap opposite the first hinge line overlaps with a side margin of the second flap which extends along a side edge of the second flap opposite the second hinge line. Each flap comprises an outer sheet and an inner sheet spaced by a core with an innermost layer of the inner sheet comprising a metal foil layer. Each flap has a first thickness outside its side margin and a second, reduced, thickness, within its side margin. A thermal container may contain such a thermal insulating liner. A pair of dies can form a liner for a thermal container. A bottom a bottom die half has a bottom die pair of raised rectangular blocks and a top die half has a top die pair of raised rectangular blocks sized and positioned so as to register with the bottom die pair of rectangular blocks when the dies are brought together in use. The bottom die half has two spaced creasing rules between the bottom die pair of raised rectangular blocks and the top die half has two spaced creasing rules between the top die pair of raised rectangular blocks. The top spaced creasing rules are positioned so as to register with the bottom die spaced creasing rules when the dies are brought together in use.

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First Claim