Drum
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United States of America Patent
Stats
-
Mar 24, 1998
Grant Date -
N/A
app pub date -
Mar 22, 1996
filing date -
Mar 22, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention relates to drum containers provided with one or more rolling hoops. The drum has a continuous vertical side wall provided with one or more reinforced portions. Each of the reinforced portions is provided with an outwardly convex rolling hoop located between a pair of inwardly concave annular grooves formed in the side wall of the drum. The vertical dimensions of the grooves are at least twice the size of the grooves' depth, while the vertical dimension of the rolling hoop is at least twice the horizontal projection by which the rolling hoop extends outwardly from the side wall.
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Family
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Cited Art Landscape
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