Package bag and spout member
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United States of America Patent
Stats
-
Feb 25, 2014
Grant Date -
Apr 8, 2010
app pub date -
Dec 3, 2009
filing date -
Jun 5, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A spout member including a base portion which is fixed to a bag body, a cylindrical portion which protrudes upward from the base portion, and a sealing portion which seals a front end of the cylindrical portion through a breakable thin portion is disposed between two sheets of film forming the bag body. A sealing chamber accommodating the cylindrical portion and the sealing portion is opened by tearing the two sheets of film along an opening assisting line. An opening assisting plate protruding to at least one of a left side and a right side of the sealing portion is disposed above the opening assisting line. A sandwiching reinforcement seal portion for reinforcing the two sheets of film by sealing inner surfaces thereof is provided between the opening assisting plate and the opening assisting line.
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