Zinc-based alloy shot

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United States of America Patent

PATENT NO 9707664
APP PUB NO 20130259737A1
SERIAL NO

13993780

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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This invention provides a zinc-based alloy shot having a new formation and it also provides a method of manufacturing it. The zinc-based alloy shot has Cu added, and it is likely to have a relatively high hardness, and it is less likely to corrode (reduce color change) when it functions as a shot. The zinc-based alloy shot of the present invention comprises Cu as the main additive element for increasing the Vickers hardness, etc., and Fe as a co-additive element for increasing the Vickers hardness and for preventing corrosion. It gives a Vickers hardness of 40-150 HV. The chemical composition of the zinc-based alloy shot is usually Cu: 0.1˜13.0%; Fe: 0.0025˜0.25%; Zn: balance; and 1≦Cu/Fe (measured in mass)≦1000.

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Patent Owner(s)

  • SINTOKOGIO, LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hirai, Kaoru Toyokawa, JP 8 35
Ishikawa, Masayuki Toyokawa, JP 236 4642

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