Railcar draftsill and method of forming same
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United States of America Patent
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Issued Date -
Sep 11, 2003
app pub date -
Mar 11, 2002
filing date -
Mar 11, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
According to one embodiment of the invention, a method of forming a sill of a railcar draftsill includes providing a single plate of material having predetermined dimensions, bending the single plate to form a first leg, bending the single plate to form a second leg and a web disposed between the first and second legs, bending the first leg to form a first flange, and bending the second leg to form a second flange. The single plate of material may be formed into the desired configuration according to a method having a single forming step.
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