美國
US 12,703,039 B2
Spot welding method
US 12,703,039 B2 是美國專利商標局（USPTO）的核准專利，日期 2026-08-11。申請人：TOYOTA JIDOSHA KABUSHIKI KAISHA; KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO。PDF 可在本頁下載，未登入每天最多 5 篇。
- 申請人
- TOYOTA JIDOSHA KABUSHIKI KAISHA; KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
- 發明人
- Hideaki MATSUOKA; Gaku Kitahara; Tatsuyuki Amago; Hiroyuki Mori; Jun Yaokawa; Kyosuke Izuno; Shuhei Ogura; Tomohiko Sekiguchi; Ayaka Kagami
- 公開日
- 2026-08-11
- 申請日
- 2023-02-08
- 文件種類
- B2 核准公告
- 也寫作
- US 12,703,039 B2 · US12703039 · 12703039
摘要
A spot welding method including: a main energization step of energizing a pair of opposing electrodes in pressure contact with both outer surfaces of a set of sheets where multiple sheet materials are stacked, thereby to cause melting between facing surfaces of the sheet materials; and a pressing variation step of, prior to the main energization step, causing a pulsation of pressing force applied to the set of sheets from the electrodes. A resin material such as an adhesive or a sealant may be interposed between the facing surfaces of at least a pair of the sheet materials.…
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專利局網站： 美國專利商標局（USPTO）