Seal for a joint or juncture – Seal between relatively movable parts – Circumferential contact seal for other than piston
Reexamination Certificate
2006-09-05
2006-09-05
Mitchell, Katherine (Department: 3677)
Seal for a joint or juncture
Seal between relatively movable parts
Circumferential contact seal for other than piston
C277S562000, C277S560000, C277S570000
Reexamination Certificate
active
07100924
ABSTRACT:
A hydrodynamic PTFE seal for a rotating part including a first portion supported by a flexible, elastomeric member and a second portion extending from the first portion past the elastomeric member along the rotating part. The second or trailing portion of the seal is concentrically disposed about the rotating part. The first portion of the seal attached to the elastomeric member is also concentrically disposed around the rotating part. The seal can also include a living hinge portion disposed between the first and second portions. The first portion, the second portion and the living hinge portion can jointly define a continuous sealing surface.
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Toth David Michael
Tripathy Bhawani Sankar
Dickinson Wright PLLC
Federal-Mogul Worldwide, Inc.
Mitchell Katherine
Stearns Robert L.
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