| 摘要 |
In a sealing device with a housing (1), a shaft (2) passing through the housing (1), an annular groove (4) surrounding the shaft (2), and an O-ring (6) accommodated in the annular groove (4) for the purpose of sealing a gap formed between the shaft (2) and the housing (1), the annular groove (4) has a base surface (3 or 3a, 3b) with a V-shaped cross-section which has a recessed centre and mutually opposite sides (3a, 3b) on each side of the base surface. <IMAGE>
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