Patent · US Expired

Tandem seal device for flow line applications

US5564715A · kind A · utility

42Cited by
15References
34Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 15, 1993
Grant dateOct 15, 1996
Priority date
Expiry dateOct 15, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S277/946
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A tandem seal device is provided for interposing and compressing between joined pieces of pipe in a flow line to prevent fluid leakage therebetween. The tandem seal device comprising a retainer body having an inner pair and an outer pair of continuous grooves. A first pair of seal elements, fabricated from a first material, being disposed in the inner pair of grooves. A second pair of seal elements, fabricated from a second material, being disposed in the outer pair of grooves.

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