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Article: Ohio Inventor Develops Metal Casting Process
- Article from:
- US Fed News Service, Including US State News
- Article date:
- September 27, 2007
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ALEXANDRIA, Va., Sept. 27 -- Ronald C. Aufderheide of Delaware, Ohio, has developed an improved process for casting a metal.
According to the U.S. Patent & Trademark Office: "This invention relates to an improved process for casting a metal by pouring molten metal into and around a casting assembly, where a riser containing a sleeve is a component of the casting assembly. The process comprises inserting a riser insert into the cavity of the riser containing the sleeve, and then allowing molten metal to flow into the cavity of the riser containing the riser insert."
An abstract of the invention, released by the Patent Office, said: "The density of the riser insert is such that the riser ...