Valves and valve actuation – With means to increase head and seat contact pressure – Gate valve
Reexamination Certificate
2006-08-08
2006-08-08
Jacyna, J. Casimer (Department: 3751)
Valves and valve actuation
With means to increase head and seat contact pressure
Gate valve
C251S175000, C251S195000
Reexamination Certificate
active
07086638
ABSTRACT:
In one embodiment, a slit valve is provided that is adapted to seal an opening and that includes a valve housing having a first wall, a first opening formed in the first wall, a second wall and a second opening formed in the second wall. The slit valve also includes a closure member having a sealing portion adapted to contact the second wall and seal the second opening, and a bracing member moveable relative to the sealing portion and adapted to contact the first wall. The slit valve further includes at least one actuating mechanism adapted to (1) move the sealing portion toward the second wall and into contact with the second wall; and (2) move the bracing member away from the sealing portion and into contact with the first wall so as to brace the sealing portion against the second wall. Numerous other aspects are provided.
REFERENCES:
patent: 2184892 (1939-12-01), Dickinson
patent: 3040773 (1962-06-01), McInerney
patent: 3152786 (1964-10-01), Soderberg et al.
patent: 3524467 (1970-08-01), Worley
patent: 3717322 (1973-02-01), Bernard
patent: 3785612 (1974-01-01), Schertler
patent: 4052036 (1977-10-01), Schertler
patent: 4070001 (1978-01-01), Musgrove
patent: 4075787 (1978-02-01), Krahe
patent: 4131131 (1978-12-01), Frisch
patent: 4157169 (1979-06-01), Norman
patent: 4164211 (1979-08-01), Onnen
patent: 4238111 (1980-12-01), Norman
patent: 4343455 (1982-08-01), Winkler
patent: 4359203 (1982-11-01), Cho
patent: 4381100 (1983-04-01), Schoenberg
patent: 4412671 (1983-11-01), Tiefenthaler
patent: 4562992 (1986-01-01), Sugisaki et al.
patent: 4721282 (1988-01-01), Shawver et al.
patent: 4763602 (1988-08-01), Madan et al.
patent: 4785962 (1988-11-01), Toshima
patent: 4921213 (1990-05-01), Geiser
patent: 5002255 (1991-03-01), Sawa et al.
patent: 5087017 (1992-02-01), Sawa et al.
patent: 5110249 (1992-05-01), Norman
patent: 5116023 (1992-05-01), Contin
patent: 5120019 (1992-06-01), Davis, Jr.
patent: 5163478 (1992-11-01), de Fries
patent: 5169125 (1992-12-01), Bailey
patent: 5226632 (1993-07-01), Tepman et al.
patent: 5275303 (1994-01-01), Szalai
patent: 5363872 (1994-11-01), Lorimer
patent: 5379983 (1995-01-01), Geiser
patent: 5560586 (1996-10-01), Aruga et al.
patent: 5577707 (1996-11-01), Brida
patent: 5597184 (1997-01-01), Brenes et al.
patent: 5626324 (1997-05-01), Nakamura et al.
patent: 5695564 (1997-12-01), Imihashi
patent: 5735339 (1998-04-01), Davenport et al.
patent: 5791632 (1998-08-01), Brenes
patent: 5820104 (1998-10-01), Koyano et al.
patent: 5881998 (1999-03-01), Brenes
patent: 5884899 (1999-03-01), Brenes
patent: 5971358 (1999-10-01), Kennedy
patent: 5975492 (1999-11-01), Brennes
patent: 5980194 (1999-11-01), Freerks et al.
patent: 6032419 (2000-03-01), Hurwitt
patent: 6045620 (2000-04-01), Tepman et al.
patent: 6079693 (2000-06-01), Ettinger et al.
patent: 6089543 (2000-07-01), Freerks
patent: 6105435 (2000-08-01), French, Jr.
patent: 6173938 (2001-01-01), McAndrew
patent: 6192827 (2001-02-01), Welch et al.
patent: 6293306 (2001-09-01), Brenes
patent: 6302372 (2001-10-01), Sauer et al.
patent: 6347918 (2002-02-01), Blahnik
patent: 6390448 (2002-05-01), Kroeker et al.
patent: 6427973 (2002-08-01), Wagner
patent: 6443426 (2002-09-01), Brenes
patent: 6561484 (2003-05-01), Nakagawa et al.
patent: 6905107 (2005-06-01), Blahnik
patent: 2639198 (1978-03-01), None
patent: 44 14 176 (1995-10-01), None
patent: 0 441 646 (1991-08-01), None
patent: 0 684 415 (1995-11-01), None
patent: 2363746 (1978-03-01), None
patent: 851444 (1960-10-01), None
patent: 2240157 (1991-07-01), None
patent: WO 99/03132 (1999-01-01), None
patent: WO 99/28951 (1999-06-01), None
patent: WO 02/008484 (2002-01-01), None
patent: WO 2004/102055 (2004-11-01), None
VAT Series 19 Large Gate Valves Data Sheet, pp. 60-61.
VAT Series 48 All-Metal Gate Valve Data Sheet, pp. 106-107.
VAT Series 12 Vacuum Gate Valve Data Sheet, pp. 40-41.
Brenes, Arthur, et al., “HVA”, <http://www.avem.org/MemDirF/HVA.html>, pp. 1-2, printed on Jan. 23, 2003.
Blonigan Wendell T
Kurita Shinichi
Lee Ke Ling
Applied Materials Inc.
Dugan & Dugan
Jacyna J. Casimer
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