Pipe sealing joint, closure ring for such a joint and application of said joint in particular to hydrocarbon-conveying pipes

摘要

Pipe sealing joint between a pipe male end and a pipe socket. The joint comprises a sealing element having at least one portion in the cavity of the socket and radially compressed between the male end and the socket and means for protecting the sealing element. The protecting means comprise a protective ring of flexible material at the inner end of the cavity and at least one closure ring which is of a material resisting corrosion and is disposed in the cavity between the sealing element and the protective ring.