Vesicant cup
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United States of America Patent
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N/A
Issued Date -
Jun 3, 2010
app pub date -
Jan 23, 2009
filing date -
Dec 1, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for manufacturing a vesicant cup includes a cut fan-shape vesicant plate having thinner upper and lower arcs formed as upper and lower edges. The vesicant plate is rolled and pressed on two stacking joints formed on left and right edges of the vesicant plate respectively. The pressed joints are thinner than other portions of the cup body not being pressed. A lip is formed by rolling up the upper edge outward, and a bottom join is formed by folding up the lower edge inwards. An edge of a vesicant cup bottom is bent downwards as a round joint for connecting and sealing the bottom joint of the vesicant cup body. A thickness of the round joint, bottom joint and the vesicant cup body corresponding to the round joint is thinner than other portions of the vesicant cup body not being pressed.
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