Patent · US Expired

Metal gasket, especially for a valve device

US6027126A · kind A · utility

7Cited by

7References

2Claims

0Family size

Assignee

KSB S.A. · FR

Inventors

Jacques Peterschmitt · Villenave-d'Ornon, FR
Rene Laulhe · Villenave-d'Ornon, FR
Claude Wattignier · Talence, FR

Key dates

Filing date	Jul 24, 1997
Grant date	Feb 22, 2000
Priority date	—
Expiry date	Jul 24, 2017

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16K1/2266
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A metal gasket, with a section comprising a heel (16) to ensure static sealing and a curved part (15) to ensure dynamic sealing, wherein the curved part (15) exhibits a variation in its radius of curvature while retaining the same direction of curvature.

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