Coupler and method for production of a coupler with selectable configuration options
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United States of America Patent
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Mar 28, 2017
Grant Date -
Nov 12, 2015
app pub date -
May 8, 2014
filing date -
Feb 3, 2014
priority date (Note) -
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Abstract
A process for producing a coupler and an improved coupler are provided. The process produces a coupler by constructing a mold that is a replica of the coupler and is constructed from a plurality of mold components that are selected and assembled to form a mold having the shape of the coupler. The mold components may include a front mold component section that forms the head of the coupler, a rear mold component section that forms the shank of the coupler, and, optionally one or more shelf components forming a shelf of the coupler. The front, rear and shank mold components may themselves be made from a plurality of mold components that are assembled together. The mold is formed from a consumable material, coating with a heat resistant material so that the assembled mold components are within a mold volume, and molten metal is added to the mold volume.
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