Closures for containers

B - Operations – Transporting – 65 – D

Patent

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Details

206/13, 210/49

B65D 41/46 (2006.01) A61J 1/00 (2006.01) B65D 41/32 (2006.01) B65D 41/50 (2006.01) B65D 51/00 (2006.01) B65D 51/20 (2006.01)

Patent

CA 1128005

Abstract of the Disclosure Improvements in inner and outer closures for containers are dis- closed. The outer closure is characterized by a cap member having a top wall, a side wall and a base adapted for sealing to the neck of a container. Two score lines extend across the top wall with finger gripping means attached at the apex where the two score lines meet. One score line extends down the side wall to connect with a third score line near the base which extends completely around the cap. The other score line extends down the side wall to an intermediate position and diverges away and terminates a short distance from the one score line. By pulling on the finger gripping means, the entire cap member above the third score line is removed in one piece. The inner closure comprises a plastic member sealed at its periphery to the mouth of the neck and includes a vertically aligned spike-entry port and an additive port which is oriented at an angle away from the entry port. The spike-entry port in an improved version comprises a spike-retaining collar which is join- ed to the body of the closure by a downward sloping web section which functions so as to cause the collar to grip an inserted spike more firmly to prevent accidental withdrawal of the spike. An improved version of an inner closure and container neck is also disclosed which includes particulate retaining means to prevent particulates formed during frictional welding of the closure to the neck from entering the container.

348338

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