초록 ▼

A connector for a pipe joint has a plurality of ridges formed on its inner surface and engaging the outer surface of a pipe. An annular bush fitted between the connector and the pipe inserted therein also has a plurality of ridges formed on its inner surface and engaging the outer surface of the pip

A connector for a pipe joint has a plurality of ridges formed on its inner surface and engaging the outer surface of a pipe. An annular bush fitted between the connector and the pipe inserted therein also has a plurality of ridges formed on its inner surface and engaging the outer surface of the pipe. These ridges can hold the pipe against any undesirable axial or radial displacement from the connector.

대표청구항 ▼

In a pipe joint comprising a pipe having a first radially outwardly projecting annular wall protrusion near one end thereof, a connector in which said pipe is fitted at and near said one end thereof, a socket attached to said connector and having a plurality of radially outwardly projecting engaging

In a pipe joint comprising a pipe having a first radially outwardly projecting annular wall protrusion near one end thereof, a connector in which said pipe is fitted at and near said one end thereof, a socket attached to said connector and having a plurality of radially outwardly projecting engaging portions by which said socket is held to said connector, and a plurality of radially inwardly projecting engaging lugs, a plurality of seal rings surrounded by said connector and surrounding said pipe, and a first annular bush fitted in said connector between said wall protrusion and said seal rings, said wall protrusion being held between said lugs and said bush to hold said pipe in position, the improvement which comprises means provided between said pipe and said connector for producing friction to hold them against any axial and radial displacement from each other.