Drum with drum closure and method
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United States of America Patent
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Oct 5, 1999
Issued Date -
N/A
app pub date -
Jun 24, 1998
filing date -
Dec 5, 1991
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A drum with a drum closure provided in a drum wall comprises an insert and a shut-off cap which can be placed in the insert which insert is situated in a collar on the drum wall pointing towards the outside of the drum and has a first flange which rests against the inside of the drum wall and a second flange which is flanged radially outwards over the collar and also a sealing ring which is wedged between the first flange and the inside of the drum wall. An additional seal which may or may not be connected to the sealing ring, is provided between the collar and the insert lying opposite in order to improve the sealing.
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