Patent ID: 8308510

Claim:
A wire harness, comprising: a cable; a connector comprising an outer housing comprising a resin, a cable insertion hole into which an end portion of the cable is inserted, and a concave portion formed on an insertion side of the cable insertion hole; and a welding member comprising a resin to provide air-tightness between the outer housing and the cable by being welded to the outer housing by ultrasonic welding, the welding member being formed around the cable so as to surround the cable while allowing a gap portion to have a predetermined clearance from the cable, and fitted into the concave portion of the outer housing, wherein in a process of the ultrasonic welding, the welding member is fitted into the concave portion of the outer housing, vibrated and simultaneously pressed against a bottom wall side of the concave portion such that a forward end portion of the welding member in contact with the bottom wall side of the concave portion is melted into a melt resin, the melt resin is poured into the gap portion, and a periphery of the cable is covered with the melt resin.