Hose coupling

Claim 1

A coupling comprising a pipe having a first end portion, an internal surface and an external surface provided with a retaining portion, said external surface having an annular bead with a substantially frustoconical surface and a substantially radial shoulder constituting or including said retaining portion, said first end portion having an end face adjacent said bead; a hose having a second end portion and an external surface, said substantially frustoconical surface of said annular bead tapering toward the axis of said pipe in a direction toward said hose; a tubular connector having a first section surrounded by said first end portion and a second section surrounded by and vulcanized to said second end portion, said second section being arranged to share axial movements of said second end portion; a sealing element interposed between said first section and the internal surface of said first end portion to establish and maintain a fluidtight seal therebetween while permitting at least some axial movement of said first end portion and said first section relative to each other, said sealing element being integral with said second end portion and having at least one annular external lip in sealing engagement with the internal surface of said pipe; at least one latching device for releasably locking said connector to said pipe, said latching device being elastically deformable in a plane including the axis of said pipe and being accessible for manipulation at the external surfaces of said end portions and including a deformable substantially web-like first portion and a second portion engageable with and disengageable from the retaining portion of said pipe in response to deformation of said first portion; and a ring-shaped member adjacent said end face, connected with the first portion of said latching device and vulcanized to said hose, said member surrounding said second end portion and being disposed radially outwardly of the second section of said connector.