The Perkin-elmer Corporation

Jeffery E Swensen

Terence J Nolan

Edward P Rhyne

Peter C Hall

A sealing ring is provided that can be used at low load conditions. The sealing ring basically has an annular center section, a first annular end section and second annular end section. The center section has a first end, a second end and a curved bight portion located between the first and second ends of the center section. The first annular end section extends from the first end of the center section. The first end section has a first axially extending leg portion and a first sealing surface facing in a first direction substantially parallel to a main central axis of the sealing ring. The second annular end section extends from the second end of the center section. The second end section has a second axially extending leg portion and a second sealing surface facing in a second direction substantially parallel to the main central axis of the sealing ring. In certain applications, the sealing ring can be provided with a coating of soft material or a second ply of soft material. The sealing ring can include a coating, such as a metallic or elastomeric coating, which can improve the integrity of the seals created as the sealing surfaces.

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Eldersburg, MD, United States of America

Jeffery E Swensen