Pipe joint

Claim 1

A compression joint for two pipe ends including, a cylindrical rigid outer retaining sleeve having a substantially straight inner surface, a cylindrical resilient sleeve gasket concentrically disposed within said rigid sleeve, said gasket having an exterior wall provided with a plurality of outwardly extending ribs engaging said sleeve inner surface and defining an outer chamber between said gasket and sleeve encompassing the majority of the length of the joint both before and after insertion of the pipe ends, an interior wall on said gasket having a diameter substantially greater than the diameter of the pipe ends to be inserted into the joint and defining with the pipe ends an inner chamber encompassing the majority of the length of the joint, a plurality of holding elements normally projecting inwardly from said gasket interior wall a distance defining a diameter less than that of the pipe ends, said gasket normally freely disposed within said sleeve and including means limiting axial displacement between said sleeve and gasket, said limiting means including end portions on said gasket of greater axial extent than said sleeve, a radial flange having a radius greater than the radius of said sleeve inner surface projecting outwardly from each said end portion to contain the ends of said sleeve, said inwardly projecting holding elements and outwardly extending ribs substantially radially aligned with one another on opposite sides of said gasket, and said holding elements each include a long inclined face extending from each gasket towards the center of the joint and intersecting a shorter angular face whereby, upon insertion of pipe ends from opposite ends of the joint, entry of the pipe ends is facilitated as said holding elements and their respective ribs are outwardly compressed and a retarding force is applied to resist withdrawal of the pipe ends from the joint.