Pipe coupling

A pipe coupling for connecting the ends of two tubular conduits 9,10 comprises: an annular gasket arrangement 14 for straddling and for forming a seal against two such conduit ends; a casing arrangement for surrounding the gasket arrangement, wherein said casing arrangement comprises a pair of mutually cooperating casing elements 83,84 having a tapered outer profile; and a fixing sleeve 12 slideably mountable around the casing arrangement, wherein an inner profile of the sleeve is tapered to correspond to the tapered outer profile of the casing arrangement, such that the fixing sleeve 12 may only be fitted to the casing arrangement in one direction and whereby fixing means 23 are provided to secure the fixing sleeve to the casing arrangement. The fixing means may be a pressure plate 23 and screws 11. In another embodiment (figure 12) the fixing means may be screw clips 300,310,320.