51
David E Boring: Self-regulating gate valve assembly for injection molding apparatus. Sonoco Products Company, Bell Seltzer Park & Gibson, November 1, 1988: US04781572 (36 worldwide citation)


A self-regulating gate valve assembly, adapted for use in a plastic product injection molding apparatus having a mold cavity and a core therein for molding a hollow product of predetermined design, is characterized by a construction substantially eliminating core deflection during plastic molding co ...


52
Hideki Tateishi, Tamotsu Shimizu, Susumu Aiuchi, Katsuhiro Iwashita, Hiroshi Nakamura: Continuous sputtering apparatus. Hitachi, Antonelli Terry & Wands, June 23, 1987: US04675096 (36 worldwide citation)


A continuous sputtering apparatus comprising a main vacuum chamber, one loading station and a plurality of process stations capable of having their pressures controlled separately. The process station includes a sub vacuum chamber capable of being in communication with the main vacuum chamber throug ...


53
Bertazzoni Roberto: Device for controlling the washing of the filter of a dishwasher. Smeg, December 18, 1996: EP0748607-A2 (36 worldwide citation)


A device for controlling the washing of the filter (2) of a dishwasher performed by nozzles (7) fed through a cleaning duct (6) which branches out from the feed duct (5) coming from the washing pump, includes a valve suitable to interrupt the water flow upstream from said nozzles (7), said valve bei ...


54
Steven G Streich, John T Brandell, Charles F VanBerg: Knife gate valve stage cementer. Halliburton Company, James R Duzan, Shawn Hunter, April 5, 1994: US05299640 (35 worldwide citation)


Methods and apparatus are described which permit stage cementing within a well bore by means of a well tool which includes a cementer having cementing ports which may be responsively opened and closed by means of a knife gate valve. The knife gate valve is disposed within the housing between outer a ...


55
David P Herd: High pressure gate valve with preloaded, stacked, solid lubricated stem seals. Smith International, David Alan Rose, Ned L Conley, William E Shull, July 20, 1982: US04340204 (35 worldwide citation)


A high pressure gate valve having at least one pressure actuated seal means between the bonnet part of the valve body and the valve actuating stem and between the chamber part of the valve body and the valve actuating stem is disclosed. Each seal means includes at least one seal assembly. Each seal ...


56
Makoto Hasegawa, Atsuo Sanda, Haruhiko Nomura: Semiconductor device manufacturing apparatus, method for removing reaction product, and method of suppressing deposition of reaction product. Kabushiki Kaisha Toshiba, Finnegan Henderson Farabow Garrett & Dunner L, August 18, 1998: US05795399 (35 worldwide citation)


A plasma etching apparatus has a first load-lock chamber, a process chamber connected to the first load-lock chamber through a gate valve, and a second load-lock chamber connected to the process chamber through another gate valve. A first processing section is provided to the process chamber to etch ...


57
Arthur E Norman: Fluid operated gate valve for use with vacuum equipment. Torr Vacuum Products, Keith D Beecher, June 5, 1979: US04157169 (35 worldwide citation)


A gate valve for use with vacuum equipment is provided in which a gate assembly is opened and closed by a fluid operated device, such as a pneumatic cylinder. The gate assembly is enclosed in a valve housing. The valve housing has aligned openings therein, and the gate assembly is moved reciprocally ...


58
Nyboer Robert P: Resilient gate valve structure. February 29, 1972: US3645497 (35 worldwide citation)


A valve structure that includes an elongate valve body through which a longitudinal bore extends, said structure including a transversely and longitudinally movable resilient valve member for control of a flowable material through said bore. The valve structure is particularly adapted for use in the ...


59
George B Usnick, Gene T Ward, Henry O Blair, James W Roberts, Terry N Warner: Sliding-gate valve. The United States of America represented by the United States Department of Energy, Dean E Carlson, Stephen D Hamel, Fred O Lewis, November 20, 1979: US04174728 (34 worldwide citation)


This invention is a novel valve of the slidable-gate type. The valve is designed especially for long-term use with highly abrasive slurries. The sealing surfaces of the gate are shielded by the valve seats when the valve is fully open or closed, and the gate-to-seat clearance is swept with an inflow ...


60
Michael J Shawver, Robert T Lobianco: Vacuum chamber gate valve. LAM Research Corporation, Townsend & Townsend, January 26, 1988: US04721282 (34 worldwide citation)


A gate valve assembly includes a housing, a shaft axially mounted within the housing, and a gate member secured to one end of the shaft. A mechanism within the housing is provided for axially extending and rotating the shaft in order to move the gate member into sealing engagement with a port in a p ...



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