{"number":"US12703039B2","kindCode":"B2","documentType":"grant","title":{"original":"Spot welding method","english":"Spot welding method"},"abstract":{"original":"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.…","english":"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.…"},"applicants":["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"],"filingDate":"2023-02-08","publicationDate":"2026-08-11","grantDate":"2026-08-11","verifiedWithOffice":true,"pdfUrl":"https://downloadpatent.com/pdf/US12703039B2.pdf","pages":{"en":"https://downloadpatent.com/patent/US12703039B2","zh-Hant":"https://downloadpatent.com/zh-Hant/patent/US12703039B2","ja":"https://downloadpatent.com/ja/patent/US12703039B2"}}