Method of making shell moulds for casting

Details Method of making shell moulds for casting Method of making shell moulds for casting

1990-07-20

1992-11-03

Aftergut, Karen

Metal founding

Process

Shaping a forming surface

106 3822, 10628711, 264 39, 264 59, 264 60, 264112, 264113, 264221, 264226, 264256, 264305, 264306, 264317, 264337, 264338, 264DIG57, B22C 100, B22C 904, B28B 138, B28B 736

Patent

active

051599708

ABSTRACT:
A method of making a shell mould, particularly for a lost wax casting operation, includes the deposition of an adhesion agent on the pattern before the deposition of layers of ceramic material to build up the mould. The adhesion agent used is preferably a 3% solution of aminosilane in a solvent consisting of ethanol and ethyl acetate in amounts from 25% to 75% of the solvent. The method avoids the phenomenon of detachment at the pattern/ceramic interface.

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Patent Abstracts of Japan, vol. 9, No. 87 (M-372)[1810], Apr. 17, 1985 & JP-A-59 215 241.

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