Cast abrasion resistant hollow balls

Details Cast abrasion resistant hollow balls Cast abrasion resistant hollow balls

1996-11-27

1997-10-14

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164397, B22D 1900

Patent

active

056761937

ABSTRACT:
A cast abrasion resistant hollow ball is formed with a hollow ceramic core that generates no gas during the casting operation. Solid ceramic bars or supports hold the hollow ceramic core in a fixed location at the center of the cast ball during the casting process. There are no open holes or openings in the ceramic supports due to the fact that the hollow ceramic sphere is composed of an inert refractory material which eliminates any gases being generated during the pouring and solidification of the liquid metal in the casting process.

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