United States
US 12,703,039 B2
Spot welding method
US 12,703,039 B2 is a granted patent from the United States Patent and Trademark Office (USPTO), dated 2026-08-11. Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA; KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO. Its PDF downloads from this page without an account, up to 5 a day.
- Applicant
- TOYOTA JIDOSHA KABUSHIKI KAISHA; KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
- Inventors
- Hideaki MATSUOKA; Gaku Kitahara; Tatsuyuki Amago; Hiroyuki Mori; Jun Yaokawa; Kyosuke Izuno; Shuhei Ogura; Tomohiko Sekiguchi; Ayaka Kagami
- Publication date
- 2026-08-11
- Filing date
- 2023-02-08
- Document type
- B2 Granted patent
- Also written as
- US 12,703,039 B2 · US12703039 · 12703039
Abstract
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.…
The opening of the abstract. The full text is in the PDF.
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Patent office website: United States Patent and Trademark Office (USPTO)
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