TORPEDOES
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United States of America Patent
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N/A
Issued Date -
Jul 12, 2012
app pub date -
Jan 10, 2012
filing date -
Jan 11, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In one aspect of the present teachings, a torpedo includes a body and a needle pin. The body may have a plurality of blades formed on an outer circumferential surface of the body. The needle pin is received within the body and is axially movable to extend from and retract into a front portion of the body. The plurality of blades may be arranged to ensure a gap between the outer circumferential surface of the body and an inner circumferential wall of an internal space of a nozzle case for receiving a supply of a molten material when the body is received within the internal space. The blades may be formed separately each other.
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