Silencer shell forming apparatus
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United States of America Patent
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Aug 31, 1999
Grant Date -
N/A
app pub date -
Nov 24, 1997
filing date -
Nov 28, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In a silencer shell forming apparatus, a mandrel is divided into an upper segment and a lower segment as well as both the segments are permitted to move in a vertical direction to dispense with a setup job when a different type of a shell is formed. Further, a drive mechanism is provided to cause both the segments to move in a direction where they become nearer to each other and in a direction where they are separated from each other.
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