abstract |
The invention relates to a fuel tank having a tank body having a neck (2) having an axis, the neck (2) being extended by an annular region (7) of cross section smaller than that of the neck (2), a plate. (20), and a nut (10) screwed onto the neck (2) of the reservoir, an upper edge (5) of the neck (2), a lower edge (25) of the plate (20), an external cylindrical face ( 8) of the annular region (7) and an internal cylindrical face (16) of the nut (10) defining an annular housing for a seal, the reservoir being made of plastic. The seal (40) has in section an elongated profile parallel to said axis. |