METHOD AND SYSTEM FOR MANUFACTURING RAILCAR COUPLERS
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United States of America Patent
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Jun 16, 2014
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Dec 28, 2011
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Abstract
A casting mold with rigging for casting a railcar coupler, which includes a shank portion and a head portion, includes cope and drag portions that define an external shape for each of at least two couplers. The couplers are nested together and oriented in opposite directions to one another along respective longitudinal axes. A down sprue is centered between the first and second couplers and is configured to direct molten material to a gating system positioned between the at least two couples.
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