Patent · US Expired

Seal with extended wear sleeve

US5931476A · kind A · utility

7Cited by
11References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 23, 1997
Grant dateAug 3, 1999
Priority date
Expiry dateJan 23, 2017

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16L27/08
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A bore seal assembly for sealing between first and second adjoining tubular members which comprises a cylindrical seal sleeve having a bore and two radially outwardly extending sealing lips for engaging a seal pocket formed in the adjoining ends of the first and second tubular members, a cylindrical wear sleeve mounted within the bore for supporting the seal sleeve within the seal pocket, and an elongated erosion sleeve extending longitudinally from the wear sleeve into at least the first tubular member, whereby the erosion sleeve protects the first tubular member against erosion.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.