Metal founding – Process – Shaping a forming surface
Reexamination Certificate
2005-01-18
2005-01-18
Stoner, Kiley (Department: 1725)
Metal founding
Process
Shaping a forming surface
C164S048000, C164S250100
Reexamination Certificate
active
06843303
ABSTRACT:
A method for making sand particle foundry mold members. Sand particles are coated with an aqueous dispersion of a suitable binder material such as a gelatin gel. The moist gelatin coated particles are gravity fed into a pattern box for the mold member and subjected to multi-axis vibration to pack the sand in the pattern box. The moist sand is then heated with radio frequency energy to promote binder flow to the corners of the particles, and air flow is initiated to transport water from the mass of particles to harden the mass of particles into the mold member.
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Cai Mei
Schreck Richard Michael
Siak June-Sang
Tooley Gordon Alwin
Whited William Thomas
Kerns Kevin P.
Marra Kathryn A.
Stoner Kiley
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