Gate valve with streamlined flow

Details Gate valve with streamlined flow Gate valve with streamlined flow

2011-01-11

2011-01-11

Fristoe, Jr., John K (Department: 3753)

Valves and valve actuation

With means to increase head and seat contact pressure

Gate valve

C251S176000, C251S326000

Reexamination Certificate

active

07866629

ABSTRACT:
A gate valve comprising a valve body including at least a first seat adjacent to a groove. A gate is slideably carried in the valve body for movement between an open position wherein the gate is spaced from the at least one seat and a closed position wherein a portion of the gate is positioned within the groove and the gate is sealingly engaged with the at least one seat. A bridging member is biasedly positioned within the groove and is configured to substantially bridge the groove when the gate is in the open position.

REFERENCES:
patent: 2893684 (1959-07-01), Williams et al.
patent: 2925993 (1960-02-01), Downs et al.
patent: 3069129 (1962-12-01), Grove
patent: 3107685 (1963-10-01), Scaramucci
patent: 3905576 (1975-09-01), Fox
patent: 4062516 (1977-12-01), Grove
patent: 4124194 (1978-11-01), Alvarez
patent: 4179099 (1979-12-01), Pierce
patent: 4262688 (1981-04-01), Bialkowski
patent: 4281819 (1981-08-01), Linder
patent: 4363465 (1982-12-01), Morrill
patent: 4377273 (1983-03-01), Beson
patent: 4377274 (1983-03-01), Mayhew, Jr.
patent: 4401292 (1983-08-01), Whaley
patent: 4471943 (1984-09-01), Nelson
patent: 4486003 (1984-12-01), Meyer et al.
patent: 4489918 (1984-12-01), Kalsi
patent: 4515347 (1985-05-01), Sitton et al.
patent: 4519583 (1985-05-01), Lapinoja
patent: 4541449 (1985-09-01), Burke et al.
patent: 4577834 (1986-03-01), Oliver
patent: 4643395 (1987-02-01), Williams
patent: 4658848 (1987-04-01), Meyer et al.
patent: 4688597 (1987-08-01), Clarkson et al.
patent: 4771805 (1988-09-01), Maa
patent: 4824074 (1989-04-01), Baugh
patent: 4909272 (1990-03-01), Carpentier
patent: 5014730 (1991-05-01), Fye
patent: 5020776 (1991-06-01), Owens et al.
patent: 5037064 (1991-08-01), Pond
patent: 5082247 (1992-01-01), Owens et al.
patent: 5083582 (1992-01-01), Lawson
patent: 5090661 (1992-02-01), Parks et al.
patent: 5154397 (1992-10-01), Thomas et al.
patent: 5201872 (1993-04-01), Dyer
patent: 5338006 (1994-08-01), McCutcheon et al.
patent: 5370149 (1994-12-01), Clarkson et al.
patent: 5413140 (1995-05-01), Kimpel et al.
patent: 5582200 (1996-12-01), Kimpel et al.
patent: 5727775 (1998-03-01), Rodger et al.
patent: 5762089 (1998-06-01), Haeberle et al.
patent: 5890700 (1999-04-01), Clarkson et al.
patent: 5971358 (1999-10-01), Kennedy
patent: 6254060 (2001-07-01), Kennedy
patent: 6260822 (2001-07-01), Puranik
patent: 6422535 (2002-07-01), Stone et al.
patent: 6745999 (2004-06-01), Heinecke et al.
patent: 6923423 (2005-08-01), Jones et al.
patent: 6959912 (2005-11-01), Reeves et al.
patent: 7350766 (2008-04-01), Comstock et al.
patent: 2004/0124393 (2004-07-01), Shimomura
patent: 2006/0043327 (2006-03-01), Hunter
patent: 2006/0091347 (2006-05-01), McGuire et al.
patent: 2006/0175572 (2006-08-01), Syvertsen
patent: 2006/0219973 (2006-10-01), Hoeptner
patent: 2068435 (1992-11-01), None
patent: 2102488 (1994-07-01), None
patent: 2258065 (1999-07-01), None
patent: 2274238 (2004-12-01), None
patent: 2272271 (1994-05-01), None
patent: 2340917 (2000-03-01), None
patent: WO 02095273 (2002-11-01), None

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