Sheetmetal container with attached end closures
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United States of America Patent
Stats
-
Mar 6, 1990
Grant Date -
N/A
app pub date -
Aug 29, 1988
filing date -
Aug 28, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A container especially a drum, composed of sheetmetal has its end closures formed with cup-shaped depressions which are fitted snugly into the cylindrical ends of the drum body. A weld seam at an intermediate portion of the height of the wall of the depression seals each closure to the drum body, a flange of the wall abuts an end edge of the drum body and each end is additionally reinforced by an inwardly rolled rim on the flange of the closure. The ends of the body are not rolled or bent.
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Family
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Cited Art Landscape
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