| 摘要 |
A bellows type seal for a quick connect coupling. The bellows seal has a torroidal portion (20) with a substantially planar sealing surface at one end of the torroidal portion (20) and a bellows portion (14) at the other end of the torroidal portion (20). The bellows portion (14) extends away from the torroidal portion (20) and is semicircular in cross-section and terminates in a circumferential bead (24) extending radially outward from the bellows portion (14). The bellows portion (14) may also include a circumferential sealing bead (26) at an apex of the bellows portion (14). The torroidal portion (20) may have a metal reinforcement ring (22). The termination bead (24) of the bellows portion (14) has a part circular cross-section with a diameter greater than that of the thickness of the bellows portion (14).
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