Coupler knuckle system and method
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United States of America Patent
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May 6, 2014
Grant Date -
Nov 3, 2011
app pub date -
Sep 17, 2009
filing date -
Sep 18, 2008
priority date (Note) -
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Abstract
A method for manufacturing a railcar coupler knuckle includes providing a first mold section having internal walls defining at least in part perimeter boundaries of a first coupler knuckle mold cavity. The method includes providing a second mold section having internal walls defining at least in part perimeter boundaries of a second coupler knuckle mold cavity. The second coupler mold cavity of the second mold section is offset from the first coupler mold cavity of the first mold section. The method includes closing the first and second mold sections and at least partially filling the first and second coupler knuckle mold cavities with a molten alloy, the molten alloy solidifying after filling to form the coupler knuckle.
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