Methods for making hollow metal spheres
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United States of America Patent
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app pub date -
Jun 25, 2007
filing date -
Jun 26, 2006
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Abandoned
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Abstract
A method for the manufacture of hollow metal spheres is provided. The method includes stamping appropriately-shaped hemispherical components and subsequently laser welding of the hemispheres. Metal spheres made by the method of the invention are substantially uniformly symmetrical in their mass distribution, and can provide superior performance in applications, such as golf ball cores and light-weight ball bearings.
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