| 摘要 |
A cuff (10) for joining together an inner and outer pipe (16, 14), the cuff being slideable along at least part of the inner pipe to allow nesting of the pipes. The cuff (10) comprises a housing (12) and an interlocking member (28). The interlocking member (28) lies, in use, in a plane extending transversely to the longitudinal axis of the pipes. The interlocking member has an actuator and an interengaging portion for interengaging with the inner pipe (16). In use, the interengaging portion lies on the side of inner pipe (16) remote from the actuator portion (30) so that, when the interlocking member (28) is translated within the plane on actuation, the interengaging portion is released from the inner pipe. A pair of diametrically opposed lugs (not shown) are located on the interlocking member (28) and a compression spring (not shown) acts between each lug and the housing (12) so as to bias the interengaging portion into engagement with the inner pipe.
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