Resistance spot welding apparatus and method for manufacturing a welded structure

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United States of America Patent

PATENT NO 11890694
APP PUB NO 20200306866A1
SERIAL NO

16901765

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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There is provided a resistance spot welding apparatus including a first rod-shaped electrode body, second rod-shaped electrode body, first ring-shaped member, second ring-shaped member, first elastic body, and second elastic body. The first rod-shaped electrode body and second rod-shaped electrode body are arranged facing each other, the first rod-shaped electrode body is inserted into a through hole of the first ring-shaped member, the first elastic body is connected to an opposite side of first ring-shaped member to second rod-shaped electrode body side, the first rod-shaped electrode body and first ring-shaped member are not electrically connected to each other, the second rod-shaped electrode body is inserted into a through hole of the second ring-shaped member, the second elastic body is connected to an opposite side of second ring-shaped member to first rod-shaped electrode body side, and the second rod-shaped electrode body and second ring-shaped member are not electrically connected each other.

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Patent Owner(s)

Patent OwnerAddress
NIPPON STEEL CORPORATION6-1 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 1008071 ?1008071

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ito, Yasuhiro Tokyo, JP 197 1427
Nakazawa, Yoshiaki Tokyo, JP 110 578
Okada, Tohru Tokyo, JP 39 172
Sawa, Yasunori Tokyo, JP 22 22
Yasuyama, Masanori Tokyo, JP 34 153

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