ELECTRODE FOR RESISTANCE SPOT WELDING AND A METHOD FOR RESISTANCE SPOT WELDING USING THE SAME
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United States of America Patent
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app pub date -
May 24, 2013
filing date -
May 25, 2012
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Abstract
Provided are a resistance spot welding electrode including a projection protruding from an opposing surface that faces a base metal, surrounding a center of the opposing surface, and including a round-shaped end that is capable of contacting the base metal, in order to expand a welding area, minimize expulsion, and significantly increase weld strength, and a resistance spot welding method using the same.
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