Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
April 12, 2011
Patent Application Number
11683837
Date Filed
March 8, 2007
Patent Primary Examiner
Patent abstract
The present invention discloses a container comprising a circular end wall, a peripheral body wall, and an annular rolled end seam. A channel is created in the rolled end seam and is in communication with the interior of the container. A one-way valve forms a seal between the rolled end seam and an outer surface of the body wall. The one-way valve allows gases from the interior of the container to escape from the container during packaging.
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