Patent ID: 7171749

Claim:
A tube connector that is used for a fuel supply device to feed a supply of fuel to a fuel tank, the tube connector being attached to the fuel tank and being connected with an inlet hose that is fastened by a clamp, the tube connector comprising: a resin connector main body that is attached to the fuel tank to surround a tank opening, wherein the resin connector main body has a through hole; a reinforcing tube that has a tubular main body, which is inserted in the through hole to reinforce the connector main body, and a flange, which is formed on an end of the tubular main body; and a conduit formation member, which has a conduit formation member main body to define a conduit communicating with a passage of the connector main body, and a fixation end, which is formed on an end of the conduit formation member main body and welded to the connector main body to fix the flange, wherein the connector main body includes a connector base member, which is thermally welded to a periphery of the tank opening to be fixed to the fuel tank, and a connector support member, which is integrally made of a resin material having a higher resistance of fuel permeation than that of the connector base member and is reinforced by the reinforcing tube.