Method for making ceramic spheres

Details Method for making ceramic spheres Method for making ceramic spheres

2008-04-15

2008-04-15

Hong, John C. (Department: 3726)

Metal working

Method of mechanical manufacture

Ball making

Reexamination Certificate

active

07356927

ABSTRACT:
A method of making ceramic sphere, a pair of rollers and a core drill with a stopper are employed. The rotating core drill in cooperation with the rollers machines a cylinder-shaped ceramic core to make a ceramic sphere. The rotating core drill continuously machines the ceramic sphere in cooperation with the rollers to obtain a ceramic real sphere, while the stopper of the core drill prevents the ceramic sphere from moving upward.

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patent: 5396837 (1995-03-01), Backus
patent: 57-163051 (1981-04-01), None
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patent: 09/103948 (1995-10-01), None
patent: 10 1990 0003387 (1990-05-01), None
patent: 99/19115 (1999-04-01), None

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