B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 81/26 (2006.01) B29C 45/26 (2006.01) B29C 49/02 (2006.01) B65D 23/06 (2006.01) B65D 47/12 (2006.01) B29C 49/00 (2006.01)
Patent
CA 2277258
A one-piece self-draining container and method and apparatus for forming same. The container includes a body and a finish wall extending upwardly from a body opening. The finish wall surrounds a dispensing spout which extends above the top of the wall. A frustoconical web joins the finish wall and the dispensing spout to form a drain apron gutter channel having a relatively steeply inclined cone angle. A drain opening is defined adjacent the channel for draining fluid from the channel into the container body. A removable cap having a depending skirt defining a thread which mates with an internal thread on the container wall to thereby threadably engage and close the container. The method is performed on the type of extrusion- injection blow molding machine as generally disclosed in U.S. Patent 2,804,654 as modified in accordance with the invention to form the web wall in situ with a frustoconical configuration of uniform cross sectional thickness.
Gowling Lafleur Henderson Llp
Graham Packaging Plastic Products Inc.
Owens-Brockway Plastic Products Inc.
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