Conductive heat resistance seam welding

B - Operations – Transporting – 23 – K

Patent

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Details

B23K 11/06 (2006.01) B23K 11/08 (2006.01) B23K 11/087 (2006.01) B23K 11/30 (2006.01) B23K 11/36 (2006.01)

Patent

CA 2303336

A welding arrangement (10) consists of first and second parts to be welded (4a, 4b) with a portion of the first part and a portion of the second part juxtaposed to form a weld zone (8a, 8b). An electrically- conductive sheet (2) with a higher melting temperature than a a melting temperature of the first pan (4a) and a melting temperature of the second part (4b) is placed over the weld zone (8a, 8b). A first electrode (12) is placed in contact with the electrically conductive sheet material (2) and a second electrode (14) is positioned and aligned with the first electrode (12) to heat conductively the weld zone (8a, 8b) with an electrical current. For the butt weld configuration (10), a second electrically conductive sheet (6) is placed between the second electrode (14) and the weld zone (8a, 8b).

L'invention concerne un système (10) de soudure comprenant une première et une seconde partie (4a, 4b) à souder, une portion de la première partie et une portion de la seconde partie étant juxtaposées pour former une zone (8a, 8b) de soudure. On place une feuille (2) conductrice d'électricité dont la température de fusion est plus élevée que la température de fusion de la première partie (4a) et de la seconde partie (4b), sur la zone (8a, 8b) de soudure. On fait entrer une première électrode (12) en contact avec la feuille (2) de matériau conducteur d'électricité et on dispose une seconde électrode (14) dans l'alignement de la première électrode (12) de façon à chauffer par conduction la zone (8a, 8b) de soudure. Pour réaliser la configuration (10) de soudure bout à bout, une seconde feuille (6) conductrice d'électricité est placée entre la seconde (14) électrode et la zone (8a, 8b) de soudure.

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