Seal for a joint or juncture – Seal between relatively movable parts – Piston ring or piston ring expander or seat therefor
Reexamination Certificate
2008-05-13
2008-05-13
Engle, Patricia (Department: 3673)
Seal for a joint or juncture
Seal between relatively movable parts
Piston ring or piston ring expander or seat therefor
C277S467000
Reexamination Certificate
active
07370866
ABSTRACT:
A sleeve element having at least one end region configured to be biased into a laterally adjacent recess formed in one of a piston element surface and a bore surface is disclosed. A seal assembly is disclosed including two sleeve elements, each sleeve element having at least one end region disposed adjacent a recess formed in one of the piston element surface and the bore surface, the at least one end region being configured for deflection thereinto. A seal assembly including one sleeve element, wherein the sleeve element includes end regions thereof, each end region disposed adjacent a recess formed in one of the piston element surface and the bore surface, the end region being configured for deflection thereinto is also disclosed. Further, an energizer may be disposed generally within a recess. Pressure relief and equalization structures for a sleeve element and seal assembly are also disclosed, as is a method of sealing.
REFERENCES:
patent: 2825590 (1958-03-01), Sutherland
patent: 3097893 (1963-07-01), White
patent: 3198531 (1965-08-01), Brenneke
patent: 3814445 (1974-06-01), Bitzan
patent: 3920252 (1975-11-01), Dechavanne
patent: 3990712 (1976-11-01), Dechavanne
patent: RE31005 (1982-08-01), Prasse et al.
patent: 4484512 (1984-11-01), Dechavanne
patent: 4813343 (1989-03-01), Schaefer
patent: 4877257 (1989-10-01), Ide
patent: 5050892 (1991-09-01), Kawai et al.
patent: 5149107 (1992-09-01), Maringer et al.
patent: 5450783 (1995-09-01), Binford
patent: 6176492 (2001-01-01), Sawai
patent: 6397987 (2002-06-01), Pesch et al.
patent: 6595524 (2003-07-01), Zitting
patent: 75 35 535 (1977-04-01), None
patent: 44 11 006 (1994-12-01), None
patent: 726809 (1955-03-01), None
Military Standardization Handbook, Plastics, Nov. 1, 1965.
PCT International Search Report, mailed Mar. 21, 2005, with Written Opinion of the International Searching Authority.
English language translation of German Patent No. DE 44 11 006 A1 (cited in Supp. IDS filed Apr. 4, 2005).
Zitting Daniel K.
Zitting Lorin K.
Engle Patricia
Lee Gilbert
Macrotech Polyseal, Inc.
TraskBritt
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