Patent ID: 6033802
Filing Date: 2000-03-07
Classification: H01M,Y02E

Abstract:
A sealing element for use in an accumulator having a lid, said sealing element for sealing an annular space formed between an upper cylindrical end of a cylindrical pole of the accumulator and an annular seat formed in the lid comprising:a deformable tubular body formed of an elastic material having an outer wall, at least one integral projecting portion extending from the outer wall of the body for engaging the seat with an interference fit, an upper end, a lower end, and said tubular body having an axial through hole for receiving the upper end of the pole therein, said through hole formed with an upper portion having the shape of a truncated cone outwardly diverging in a direction away from the upper end of the pole and having an upper circular opening of the truncated cone sized for intimate sealing engagement with said upper end of the pole, said hole further formed with a cylindrical lower portion axially aligned with the circular opening, said intimate sealing engagement of the upper end of the pole and the upper opening of the truncated cone deforming the upper end of the body and causing the lower end of the body to form a seal about the upper end of the pole.