In a fuel tank in which an upper joint flange (31) of an upper tank half body (30) and a lower joint flange (33) of a lower tank half body (32) are sandwiched between and seam welded by a pair of roller electrodes, the lower tank half body (32) includes a lower tank main body portion (34) and expansion tank portions (35) shallower than the lower tank main body portion (34) and disposed on opposite sides of the lower tank main body portion (34). A side wall of at least one of the upper (30) and lower (32) tank half bodies is provided with roller escape recesses (61, 62) recessed inwardly, the roller escape recesses (61, 62) being formed at a position corresponding to a connection portion of a main body corresponding joint portion and expansion tank corresponding joint portions in a joint portion formed by seam welding, and avoiding a contact with at least one of the pair of roller electrodes.
FUEL TANK AND SADDLE RIDING VEHICLE
BRENNSTOFFTANK UND SATTELFAHRZEUG
RÉSERVOIR DE CARBURANT ET VÉHICULE DU TYPE À SELLE
2020-03-11
Patent
Elektronische Ressource
Englisch