Process for treating old foundry sand for reuse in place of core

Details Process for treating old foundry sand for reuse in place of core Process for treating old foundry sand for reuse in place of core

1991-09-04

1992-11-17

Lin, Kuang Y.

Metal founding

Process

Including recycling of process material

134 6, 134 7, 134 37, B22C 100

Patent

active

051634961

ABSTRACT:
The present invention relates to a process for treating old foundry sand for reuse in place of core sand wherein the precleaned sand grains are subjected to further abrasive-thermal treatment so as to volatize and remove basic constituents adhering to the precleaned sand grains.

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