Plastic bottom for package
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United States of America Patent
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Aug 21, 2012
Grant Date -
Jun 18, 2009
app pub date -
May 15, 2007
filing date -
Jun 1, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a rigid or semirigid plastic part designed to form the bottom of a package whose side wall consists of a laminated film. The plastic part has a central axis and includes the following features: a peripheral welding zone designed to contact and be welded to the inside surface of the side wall; a convex inside face and a concave outside face; the inside face and the outside face each comprise a zone whose centre is on the axis and which is designed to contact a tool used to attach the part to the side wall; and a profile at least partially defined by a curve. The invention also relates to a package having a bottom consisting of the plastic part.
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