Elopak Systems Ag

Ole Peter Trovaag

Ivica Franic

Michael Stephen Daley

John Kelly

Harald Harsson

Harald Harrson

A blank () comprising a row of body panels (P-P), and a row of end closure panels (P-P) extending substantially parallelly to the row of body panels (P-P), whereof each end closure panel (P-P) has an edge (E-E), and whereof each of the second (P) and fourth (P) end closure panels has oblique lines of weakness (S, S, S, S) which divide its panel into a central sub-panel (P, P) adjacent the corresponding second or fourth body panel (P, P) and two end sub-panels (P, P, P, P) adjacent the corresponding edges (E, E), wherein the end sub-panels (P, P, P, P) bulge away from its corresponding edge (E, E). A container formed from the sheet material blank and a method of forming the container is also described. The method involves the use of a mandrel cap including a bearing surface () and a bridging surface portion () substantially flush with said bearing surface (), and extending between recessed surface portions () at respective opposite sides of said bridging surface portion ().

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Heggedal, Norway

Ole Peter Trovaag