Packaging case
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Apr 4, 2006
Grant Date -
Sep 18, 2003
app pub date -
Mar 7, 2003
filing date -
Mar 12, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A packaging case 1 is formed of a unitary blank 1a of paper material. The unitary blank 1a has at least two fold lines 2a, 2b between which a back side wall 6a is formed and both sides of which a bottom wall 10 and a top wall 11 are formed. The unitary blank 1a has also incisions 3a, 3b formed on both ends of the fold lines 2a, 2b. The unitary blank is deep drawn to form side walls 6 on each periphery of the bottom wall 10 and the top wall 11 and form rims 8a, 8b protruding outwardly from each upper end of the side walls 6. The unitary blank is folded along the fold lines 2a, 2b so that the rims 8a, 8b come into contact with each other, whereby the bottom wall 10, the top wall 11, the back side wall 6a and the side walls 6 constitute an inner space.
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