B - Operations – Transporting – 31 – C
Patent
B - Operations, Transporting
31
C
93/50
B31C 1/06 (2006.01) B31C 3/02 (2006.01) B65D 3/22 (2006.01)
Patent
CA 1072794
ABSTRACT OF THE DISCLOSURE A one-step easy-open composite container for dough products and the like, together with a method and apparatus for forming the same, are disclosed, which composite container includes a fibrous body wall layer having an unbonded helical butt joint, an impervious inner liner layer that is folded to define an expansible folded portion that extends helically the length of the container opposite the helical butt joint, an outer label layer wound helically in adhesively-bonded relation upon the body wall, across the butt joint, and at least one end closure member closing one end of the body wall-label laminate, characterized in that the overlapping edge of the outer label layer is precut--prior to winding on the body wall layer--by a tab cut which is arranged at an acute angle relative to the separation line of end cut in laterally spaced relation to the helical butt joint. Consequently, when the pull tab portion defined by the tab cut is pulled to partially tear the label from the container, the body wall butt joint is exposed and is automatically expanded by the product packaged in the container to open the inner liner layer folded portion along the butt joint.
282507
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