US Patent 7163117 Static charge dissipater for filler neck closure

A fuel cap is provided for use in a filler neck of a tank of a vehicle having body portions which are conductive. The fuel cap includes a housing sized to fit into the filler neck and a cover coupled to an upper end of the housing. The cover is made of a non-conductive resin and an electrically conductive coating covering at least a portion of the non-conductive resin. The coating has a thickness of between approximately 0.1 and 0.6 mil. The fuel cap further includes a conductive discharge member having a first end engaged with the electrically conductive coating of the cover and a second end adapted to be coupled to one of the filler neck and the body of the vehicle to dissipate static charge.