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JP03004075 |
PURPOSE: To impede adhering growth of shellfish by providing a small hole, which communicates from the outside of a valve case with over the seat part of a valve in a manner wherein cool water or water, contained with active chlorine, ca...
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JP02304275 |
PURPOSE: To enable the centralized control of an automatic switching device of a multipoint pipeline with remote control by comprising a cleaning device in an oscillating plate, and providing a cover in the pipeline connecting part of a ...
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JP02304276 |
PURPOSE: To clean the liquid drop of pipeline connecting parts perfectly in a short time by providing nozzles for jetting the cleaning liquid toward connecting parts of a cleaning liquid supplying pipe and pipeline connecting parts in an...
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JP02300572 |
PURPOSE: To prevent the invasion of dust to valve seat faces by forming the tube end opposed faces of a pair of tube parts into valve seat faces, disposing a valve body between both valve seat faces and fitting a filter covering a gap be...
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JP02225013 |
PURPOSE: To make the thickness of coating uniform by a method wherein valve plugs are pinched by split molds, which have a resin pouring port and an gas discharging port and make a uniform gap between the outside surface of the main body...
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JP02173472 |
PURPOSE: To contrive the improvement of wearing resistance and seizure resistance by forming in one sliding surface of sliding members, both consisting of aluminum alloy, an alumite layer and in the other sliding surface an Ni-P composit...
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JP02134479 |
PURPOSE: To prevent corrosion of a piping end face because of intrusion of fluid by furnishing a plastic ring in a valve chest, allowing its one end to serve as a valve body seal part to come into contact with the valve body, forming the...
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JP02062486 |
PURPOSE: To prevent attachment of powdery dust and choking between a shielding plate and a duct by providing a plurality of air nozzles between the shielding plate and the duct. CONSTITUTION: A shielding plate 1 provided in a duct 3 is f...
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JP02046382 |
PURPOSE: To wash off the powder stuck to a valve seat section and prevent the malfunction of a valve by forming a purge hole toward the valve seat on a valve plug and spraying the discharge air from a valve driving cylinder section throu...
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JP02017986 |
PURPOSE: To efficiently wash a pipeline by detaching a cover, a valve spindle and a valve body from a valve casing respectively and thereafter sending compressed air into one side of a passage from the middle part thereof in such a state...
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JP01234669 |
PURPOSE: To efficiently perform manufacture in a treatment operation by mechanical work, cleaning and sterilizing of valve devices, etc., by arranging a steam inflow pipe and a steam discharge pipe so as to form a chamber between a pair ...
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JP01199072 |
PURPOSE: To enhance the sealing performance by furnishing a blowoff means at a stopper which restricts the rotating range of a plate, and thereby preventing deposition of dust on the stopper. CONSTITUTION: A stopper 10 consisting of a ci...
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JP01182679 |
PURPOSE: To make any sticking matter on a plug end face scrapable by installing a plug rotatably around a shaft, and also installing a scraping projection, being slidable with the plug end face, at the inside of a valve seat. CONSTITUTIO...
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JP01182678 |
PURPOSE: To scrape any sicking matter on a slit inner surface and prevent the closure of a flow passage from occurring by installing a scraping projection at the inside of a valve seat in making it correspond to the slit of a plug, in a ...
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JP01153874 |
PURPOSE: To control the flow of fluid more efficiently and functionally by arranging one actuating means for actuating two valve blocks and one venting means successively. CONSTITUTION: A valve system 20 comprises a cage means 15 having ...
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JP01138172 |
PURPOSE: To contrive to reduce frictional resistance of prepared mesocarbon microbeads(MCMB), by sintering a molded article of a mixture of MCMB and graphite in a specific ratio and optionally graphitizing. CONSTITUTION: This sintered ma...
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JP01087218 |
PURPOSE: To increase abrasion resistance, corrosion resistance, and further heat resistance and strength by providing a backflow prevention valve of torus shape constituted of a ceramic component and a metal component and constituting at...
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JP01083980 |
PURPOSE: To reduce the wear of a valve body, valve seat, and pressure regulating valve body, and to prolong the life by passing high-pressure liquid through a plurality of pressure regulating means to stepwisely reduce the spill-water pr...
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JP01069869 |
PURPOSE: To prevent a valve body and a valve seat from local wearing by forming an inflow port so as to make flow direction of flowing in slurry disperse or avoid axial center of the valve body. CONSTITUTION: A slurry inflow port 2 is fo...
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JP63289385 |
PURPOSE: To sharply increase the washing and exchanging period of a valve, by a method wherein, when a value body is separated from a valve seat, compressed gas is injected toward a valve seat. CONSTITUTION: A gas injection member 40 has...
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JP63030674 |
PURPOSE: To surely prevent two valve plates from sticking to each other, by forming each sliding surface of these solid or movable valve plates formed by ceramics into a precision-machined surface having a lot of small diametral holes. C...
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JP63023076 |
PURPOSE: To eliminate static electricity, by using devices made of conductive materials on the inter-contact surfaces of a control device in a mixing cock, and by holding the devices in contact with a housing. CONSTITUTION: A cartridge v...
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JP63013974 |
PURPOSE: To prevent the sticking of a packing to a valve body by arranging in such a way that an tetrafluoroethylene packing is brought into contact with a valve body provided with a rubber sheet. CONSTITUTION: In a valve body 22 an inle...
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JP57080573 |
PURPOSE: To miniaturize a tester for relays and improve the uniformity in quality, by making it possible to digitally set all the signals such as frequency, phase, voltage, current and the like to be supplied to a relay as well as supply...
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JP56147756 |
PURPOSE: To synthesize urea through a highly stable method continuable for a long term regardless of the operating conditions, by using a silicon carbide material having corrosion and abrasion resistance in a part which is subject to cor...
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