B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
210/35
B65D 47/06 (2006.01) B65D 47/10 (2006.01) B65D 47/12 (2006.01) B65D 55/02 (2006.01)
Patent
CA 1145716
ABSTRACT A cap-like closure device for a container which is arranged with a raised annular boss formed in one end to receive the closure device includes a flexible spout member secured to the raised annular boss by means of an anchor ring which is disposed overlapping the outermost edge of the flexible spout member and is crimpable to secure this outermost edge around the top lip portion of the raised annular boss. A resealable cap is provided which threadedly engages the top rim portion of the flexible spout and includes a depending annular groove in its top lip portion which is suitably sized to receive the top rim portion of the flexible spout to provide a secondary seal. Disposed over the resealable cap is a tamper-proof cap which is temporarily retained by the anchor ring, but which may be removed from beneath the innermost edge of the anchor ring by prying. Integral with the flexible spout member is a diaphragm which has joined thereto a pull tab ring member. A pull force on the pull tab ring member and directed upwardly enables the diaphragm to be torn free of the flexible spout member and thereby open the container. Also joined to the flexible spout member is a venting unit which includes a plurality of venting apertures to enable the entry of air for the smooth and continuous discharge of container contents.
346717
Rieke Mahlon E.
Summers Kenneth L.
Rieke Corporation
Smart & Biggar
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