Patent ID: 8678226

Claim:
A fuel tank comprising: a tank wall of thermoplastic; at least one continuous seam which joins portions of the tank wall; a filler orifice; means which provide aeration and venting; means which provide conveyance and extraction of fuel in a form of at least one fuel conveying unit arranged inside the fuel tank; at least one line led into and/or out of the fuel tank, the at least one line led into and/or out of the fuel tank comprising at least one fluid line and/or at least one electrical line led into and/or out of the fuel tank; wherein the at least one line led into and/or out of the fuel tank comprises a first line which passes through the seam of the fuel tank; wherein the at least one line led into and/or out of the fuel tank comprises a second line which is led at least partially through at least one of the filler orifice and a filler neck adjoining the filler orifice; wherein the first line is connected to an insert part which passes through the seam of the fuel tank and which is at least partially of plastic and is welded to the tank at the seam; wherein the insert part includes at least one of a plug contact and a leadthrough for the first line which is formed by a body of the insert part; and wherein the at least one plug contact and leadthrough is spaced from the seam by the body of the insert part and does not make contact with the seam.