Method of core leach

Details Method of core leach Method of core leach

1996-08-30

1998-07-14

Batten, Jr., J. Reed

Metal founding

Process

Shaping liquid metal against a forming surface

134 2218, 134 24, 134 30, B22D 2900, B08B 308, B08B 900

Patent

active

057789630

ABSTRACT:
A ceramic core is removed from an investment casting by directing a stream of high pressure alkali solution between about 5,000 psi (345 bar) and about 10.000 psi (690 bar) at the core to loosen and dissolve the core.

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