Gun barrel construction
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United States of America Patent
Stats
-
May 15, 1990
Grant Date -
N/A
app pub date -
Mar 12, 1985
filing date -
Mar 13, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention discloses a gun barrel with a novel pattern of a rifling curve. The latter proceeds at start of motion from the parabolic curve y=A+Bx+Cx.sup.2 and is supplemented with a constant D, to which is added a freely selectable exponent =d. Due to the freely selected exponent as parameter the ridge force maximum can be displaced at almost equal level between the start of motion and the barrel mouth. At the barrel mouth the ridge force drops to a minimum.
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