Metal founding – Process – Shaping a forming surface
Patent
1984-06-29
1985-12-10
Lin, Kuang Y.
Metal founding
Process
Shaping a forming surface
164519, 164138, 164 34, 164 35, 106 3823, B22C 104
Patent
active
045573166
ABSTRACT:
A method for the manufacture of an investment shell mold is disclosed which comprises applying to the surface of a wax pattern at least one layer of slurry formed by dissolving in an organic solvent a soluble organic cellulose derivative containing a dispersed metallic oxide, subsequenty applying to the first layer at least one layer of slurry formed by mixing a refractory powder with a cellulose binder, and thereafter causing the applied slurry layers to set and removing the pattern by the ordinary method.
Minowa Susumu
Nozaki Yoshihiko
Suzuki Shizuo
Takayanagi Takeshi
Agency of Industrial Science & Technology
Lin Kuang Y.
Ministry of International Trade & Industry
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