Metal founding – Process – Shaping a forming surface
Reexamination Certificate
2008-01-15
2008-01-15
Lin, Kuang Y. (Department: 1725)
Metal founding
Process
Shaping a forming surface
C164S519000
Reexamination Certificate
active
11127092
ABSTRACT:
A method of manufacture of a multilayer ceramic shell mould out of a master pattern includes the steps of dipping the master pattern in a first slip containing ceramic particles and a binder, depositing sand particles to form a contact layer, dipping the master pattern in a second slip containing ceramic particles and a binder, depositing sand particles to form an intermediate layer, dipping the master pattern in at least a third slip containing ceramic particles to form a reinforcing layer. The ceramic particles of the slips includes mullite, alumina, or a mixture of the two, whereas no layer contains any zircon.
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Biramben Arnaud
Calero Patrick
Chevalier Patrick
Husson Jean-Christophe
Marty Christian
Lin Kuang Y.
SNECMA Moteurs
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