| 摘要 |
The finding realises a sealing ring ( 1, 100, 101 ) to be applied to frusto-conical connection holes ( 5 ) of the cells (L) of an accumulator (A) which comprises a plate ( 2, 2 a) equipped with a through hole ( 3, 31 ) axially to which is arranged the base ( 7 ) of a sheath ( 4, 4 a, 4 b) suitable for coupling in the connection hole ( 5 ). A portion of the cross-section of the sheath ( 4, 4 a, 4 b) has a diameter ( 8 ) greater than the diameter ( 9 ) of the base ( 7 ) of the sheath ( 4, 4 a, 4 b).
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