Metal founding – Flask or flask section – Investment type
Reexamination Certificate
2006-10-03
2006-10-03
Kerns, Kevin (Department: 1725)
Metal founding
Flask or flask section
Investment type
C164S237000, C164S238000
Reexamination Certificate
active
07114547
ABSTRACT:
An apparatus comprising a casting ring and base sized and dimensioned to be coupled together to form a cavity having one or more walls comprising an inner surface of the casting ring, having a bottom comprising an upper surface of the base, and having a form receiving member portion of the base extending into the cavity. This embodiment includes an indicator forming portion sized and positioned to form an indicator on a mold produced by at least partially filling the cavity with investment and allowing the investment to harden. In some instances the casting ring may have a lower segment sized and dimensioned to surround and receive an upper segment of the base to couple the ring and base together, wherein, the casting ring latches onto an outwardly protruding shoulder of the base when the base and casting ring are coupled together.
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Mehta Ashwin
Sullivan Michael R.
Kerns Kevin
Lin I.-H.
Snell & Wilmer L.L.P.
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