Wire material for canted coil spring and canted coil spring

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United States of America Patent

PATENT NO 11186902
SERIAL NO

16492895

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Abstract

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A wire material for a canted coil spring includes a core wire composed of a steel having a pearlite structure, a copper plating layer covering the outer peripheral surface of the core wire, the copper plating layer being composed of copper or a copper alloy, and a hard layer disposed adjacent to the outer periphery of the copper plating layer, the hard layer having a higher hardness than the copper plating layer. The steel constituting the core wire contains 0.5% or more by mass and 1.0% or less by mass carbon, 0.1% or more by mass and 2.5% or less by mass silicon, and 0.3% or more by mass and 0.9% or less by mass manganese, the balance being iron and unavoidable impurities.

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Patent Owner(s)

Patent OwnerAddress
SUMITOMO ELECTRIC INDUSTRIES LTD5-33 KITAHAMA 4-CHOME CHUO-KU OSAKA-SHI OSAKA 5410041 ?5410041

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Akada, Takumi Itami, JP 9 13
Hosoe, Akihisa Osaka, JP 115 366
Izumida, Hiromu Itami, JP 20 83

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