Envelopes – wrappers – and paperboard boxes – Paperboard box – With closure for an access opening
Patent
1995-05-09
1997-05-27
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
With closure for an access opening
220270, 220339, 220359, 2291232, 22912514, B65D 574
Patent
active
056324405
ABSTRACT:
A combination of a container and a plug-in closure unit, and a method of manufacturing the container of the combination. The container has a wall having an opening therein defining an edge. The closure unit can be inserted into the opening, and further comprises a closure part including an opening lip defining an opening lip region, and a hinge disposed opposite the opening lip of the closure part and defining a hinge region. The closure unit also includes a pouring part connected to the closure part by the hinge. The pouring part includes a neck which can be inserted into the opening of the container, and a pouring opening. The pouring part further includes an inner retaining member extending beyond the edge of the opening on the interior of the container when the closure unit is inserted into the opening thereby defining an inner retaining plane C. The inner retaining member consists of a first inner retaining element to be disposed exclusively in the hinge region, and a second inner retaining member to be disposed exclusively in the opening lip region. The pouring part also includes an outer retaining member extending beyond the edge of the opening on the exterior of the container when the closure unit is inserted into the opening. The outer retaining member thereby defines an outer retaining plane C'. A portion of the wall of the container is retained between the inner and the outer retaining member between planes C and C'.
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Hell Matthias
Mock Elmar
Tragardh Paul
Elkins Gary E.
Tetra Laval Holdings & Finance S.A.
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