pipe 2 and the hose 3 both have end portions 4 5 and ducts 6 7 extending therefrom the ducts 6 and 7 each have a diameter 8 9 the diameter 8 is preferably equal to the diameter 9 the end portion 4 forms a socket receiving and mechanically securing end 5 therein a flared out end 4 a of the socket circumscribes the hose 3 in a radial distance and provides some protection of the hose 3 the end portions 4 and 5 overlap and define a connecting region a sleeve 10 is located within the connecting region and within the end portion 4 of pipe 2 the sleeve 10 comprises a through bore having a cylindrical wall defining a diameter 11 diameter 11 is preferably equal to diameters 8 and 9 the outer circumferential surface of the sleeve may be smooth alternatively it may be provided with retainer means e g ribs bulges teeth or the like which provide a form fitting engagement of the sleeve and the hose thereon the sleeve 10 comprises an annular flange 12 and a frustoconical end surface 13 provided thereon the outer circumference of the flange 12 is defined by a cylindrical surface 14 optionally at least one sealing element 15 may be provided in a groove intersecting the outer surface 14 the sealing element 15 may be any suitable preferably annular sealing element e g an o ring or the like a tubular extension 16 extends from the flange 12 into the open end 5 of the hose 3 the tubular end 16 preferably ends on a rounded annular edge 17 a shoulder 18 may be provided.