Patent ID: 8590132

Claim:
A method for producing a fuel container for motor vehicles from thermoplastic material, comprising: providing a plurality of web-type preforms, and shaping the preforms in a first heat in a multi-part moulding tool to form a plurality of shell-shaped intermediate products in a first step, and forming a one-piece, closed container in the multi-part moulding tool in a second step, fastening at least one tank-filling and/or operational venting device to at least one inner wall of at least one of the intermediate products between the first and second steps in such a manner that at least one preassembled part of the tank-filling and/or operational venting device having at least one connection fitting, at least one vent line and at least one functional component is fastened to the inner wall by a material and/or form-fitting joint in one work cycle, penetrating the wall of the intermediate product with the connection fitting during the fastening of the at least one tank-filling and/or operational venting device to at least one inner wall of at least one of the intermediate products, with a use of at least one conduit section having a variable length as a part of the vent line.