Metal founding – Process – Shaping a forming surface
Patent
1987-03-18
1988-05-24
Lin, Kuang Y.
Metal founding
Process
Shaping a forming surface
164 45, 164 35, 164138, 264 16, 433213, B22C 300, A61C 1100
Patent
active
047459611
ABSTRACT:
Time-consuming steps of drying the unhardened and porous refractory dental model, hardening the dried model, and applying multiple coatings of a lacquer spray onto the hardened model are eliminated by spraying the unhardened and porous model with a non-viscous solution of specified cyanoacrylates to thereby produce a final model which yields a mold providing an improved alloy casting dental prosthesis.
REFERENCES:
patent: 4378213 (1983-03-01), Severg
J. F. Jelenko & Co.
Lin Kuang Y.
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