Patent ID: 6332555
Filing Date: 2001-12-25
Classification: B60K

Abstract:
A fuel tank for installation in a motor vehicle, comprising:a tank body having a tank wall, the tank wall having an opening therein,a connecting portion on the tank wall extending around the opening and having an end surface,a holding cover means for closing the connecting portion and therewith the opening therein,wherein the end surface of the connecting portion has a groove therein,a sealing ring operatively interposed between the connecting portion and the holding cover means and arranged in said groove, saida fixing means for urging the holding cover means towards said connecting portion for closing the same and said opening,wherein the cross-sections of the groove and the sealing ring are so selected that in its operative position of closing the connecting portion and the opening, the holding cover means is supported directly by said end surface of the connecting portion in a condition of bearing against said end surface, said seal ring being dimensioned solely for sealing without acting as structural member supporting said holding cover means; andwherein the cross-section of the groove accomodating the sealing ring tapers from the open side of the groove towards the lowest part of the groove.