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JP2002071038A |
To provide a valve element seat eliminating complicated pressure adjusting work for a sheet pressure to obtain a high level of water stopping property and preventing a degradation in water stopping property in case of damage to a sealing...
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JP2002061754A |
To provide a butterfly valve that can prevent adhesion of a marine organism and maintain given sealing performance and smooth opening and closing performance after long-term use.The butterfly valve has a valve element 3 disposed inside a...
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JP2002504656A |
The present invention relates to a high-pressure hydraulic valve in which the housing (1) at least and also preferably the operational parts, such as the main control piston (3), the manometer piston (6) and the like which are arranged i...
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JP3253695B2 |
PURPOSE: To provide a sea water valve made of a stainless steel which is designed to prevent the corrosion and pitting corrosion perculiar to a valve made of a stainless steel from being caused by setting a sacrifice anode in a valve box...
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JP2001295946A |
To improve the wear resistance of a sliding surface of an aluminum alloy sleeve or the like used for a hydraulic control valve. The aluminum alloy sleeve 30 disposed in a valve body 10 and supporting a spool 20 slidably to the inner peri...
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JP3220063B2 |
To provide such a valve sealing system as not requiring so much work for manufacture and as being a new type and improved. The valve sealing system has a valve member 38 including an elastic sealing means 42 having a flat exposed surface...
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JP3217696B2 |
To maintain stable slide characteristics for along period and to provide high sealing ability by a method wherein one of slide valve elements sliding over each other is formed of ceramics and the surface is covered with a diamond-like ha...
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JP2001277538A |
To obtain a valve mechanism which prevents a content liquid from being defectively discharged and from spouting out in the case of an internal pressure change from a minute pressure change to a large pressure change. In this valve mechan...
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JP2001263529A |
To provide a solenoid valve capable of obtaining a smooth and stable pressure relative to the energizing current at all times even in a high feed pressure.The lengths of seals between an input port 8a and a feedback chamber 11 and betwee...
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JP2001263526A |
To prevent a magnetic component causing interference of sliding from drawing into a sliding part and to reduce the cost.A nonmagnetic member treated in such a manner as enhancing the hardness is used as a member of a valve 6 operating wi...
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JP2001235041A |
To provide a valve component providing high adhesiveness between a base and a hard carbon film and allowing thickening of the hard carbon film.A valve element 16 serving as a valve component having a sliding surface comprises the base 1 ...
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JP2001235042A |
To provide a valve component providing high adhesiveness between a base and a hard carbon film and allowing thickening of the hard carbon film.A valve element 16 serving as the valve component having a sliding surface comprises the base ...
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JP3201769B2 |
PCT No. PCT/SE92/00565 Sec. 371 Date Feb. 3, 1994 Sec. 102(e) Date Feb. 3, 1994 PCT Filed Aug. 20, 1992 PCT Pub. No. WO93/04308 PCT Pub. Date Mar. 4, 1993.A throughflow valve (1) comprising a valve seat (2) and a valve body (3) is intend...
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JP2001227674A |
To provide a disc valve mechanism heightened in the mechanical strength of a sliding contact surface, easily machined and machined in mass quantities.In this disc valve mechanism constituted to open and cut off a passage by bringing two ...
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JP2001182837A |
To provide a seal and/or diaphragm of an apparatus to be used in the fuel supply system of a vehicle, meeting the requirements of the heat resistance, oil resistance, and the resistance against bending and also gas impermeability, which ...
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JP2001173811A |
To produce a highly efficient operation and zero fluid stay and to produce a high leakage prevention mechanism.A flange 128 for sectioning and forming an outer diameter termination edge of a poppet valve element 32 has a tongue part 132 ...
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JP2001507828A |
A gas regulator is of a modular construction, having a base providing coupling to a gas supply system and a body in which the pressure regulation elements are located. The base and body form a plug and socket type connection, the body be...
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JP3175833B2 |
A pressure relief valve (14, 14A) has a reciprocable valve member (34, 34A) for seating on an annular seat face (66,66A) of a nozzle assembly (38,38A). The nozzle assembly (38,38A) has an inner seat ring (40,40A), a radially outer anchor...
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JP2001153247A |
To make operability excellent of a lever handle, by eliminating application of a lubricant to a slide part, lightening operation even without lubrication, and suppressing an aged torque change.In this single lever type combination faucet...
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JP2001141089A |
To provide a valve capable of being manufactured in less number of manufacturing processes and a manufacturing method therefor. In a valve opened and closed due to contact and leaving of contact parts of a valve seat or a valve seat ring...
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JP3165203B2 |
PURPOSE: To easily and high accurately adjust a fine flow amount of solid- contained fluid or the like by constituting a valve such that a flow path bottom surface reaching a position in the vicinity of a valve element from a fluid inlet...
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JP3165015B2 |
To avoid lock condition at the time of full closing. Spherical holes 1a to d are arranged on a surface which is brought into contact with the valve body 101 of a valve seat 106 so as to enclose a circumference when the valve body 101 is ...
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JP2001124220A |
To provide a ceramic valve which is capable of stably obtaining the excellent sliding characteristic for a long time, a difficult to generate water leakage, and extremely excellent in maintainability. The ceramic valve 10 comprises a fix...
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JP2001116155A |
To provide a simple connecting structure of connecting openings of blocks to one another, ensuring that adjacent blocks are firmly connected to each other over a long period. In the structure of firmly connecting a first connecting surfa...
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JP2001108130A |
To provide a substitute which facilitates equipment maintenance by providing more fine design and thermal conduction between a chamber main body and an exhauster assembly. A valve assembly 200 includes a valve main body 202 having an int...
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JP3154652B2 |
To keep slide faces of a poppet and a sleeve in a condition in which they can slide smoothly at all times and enable the use of a gas flow rate control valve even in extremely low temperature environment. A poppet 1 and a sleeve 2 are ma...
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JP3143087B2 |
To keep stable gas sealing and electric insulation for a long time by providing a joint ring projecting to an alumina ring side on a flange surface and jointing the alumina ring and a joint ring by brazing. Ni plating 14 and Mo-Mn metall...
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JP3141082B2 |
PCT No. PCT/EP92/01275 Sec. 371 Date Dec. 6, 1993 Sec. 102(e) Date Dec. 6, 1993 PCT Filed Jun. 5, 1992 PCT Pub. No. WO92/21900 PCT Pub. Date Dec. 10, 1992Described are a procedure for cleansing double seat a valve, especially one operati...
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JP3132805B2 |
To provide a discharge valve for a container which facilitates the discharge of its contents such as fluid, makes it hard for residue to remain, and can be cleaned easily and surely. This discharge valve comprises a valve main body 2 hav...
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JP3131587B2 |
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JP3125831B2 |
PURPOSE: To provide a highly air-tight metal seat damper capable of obtaining desired sealing performance at a low cost without requiring accurate machining of a seat face in particular. CONSTITUTION: A flange-like valve seat 12 is forme...
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JP2001014035A |
To enable a flow rate controller to perform stable flow rate control with a small error when used under reduced pressure by providing a thermal flow rate sensor part, a controller which controls a control valve according to a flow rate d...
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JP3124294B2 |
In a valve the sealing disks in contact with one another consist of sintered silicon carbide ceramic and have on their functional surface a profile bearing percentage of at least 75% established by grinding and/or lapping and/or polishin...
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JP2001004039A |
To enable a long life of operation of a seal in an corrosive environment existing in a semiconductor manufacture device.This seal 18 for a valve forming a connection part closed tightly around an opening part 14 of a wall is provided wit...
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JP2000516327A |
A dual plate check valve comprises a substantially cylindrical valve body 10 provided with a diametrical cross-member 14 thereby defining a pair of substantially D-shaped apertures, and two substantially D-shaped plates 18, pivotally con...
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JP3111314B2 |
To very accurately stipulate a desired throttle action by providing a by-pass passage having a throttle resistance which can be corrected in parallel with a duct. A by-pass passage 33 formed as an axial passage is passed through a holdin...
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JP3106381B2 |
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JP2000273573A |
To suppress the corrosion of eutectic carbides of a Co base alloy (so with Ni base and Fe base alloys) used for the sliding part of an apparatus and a valve seat which have been the cause of increasing the amt. of radiation in a nuclear ...
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JP2000240818A |
To prevent rubbing of a valve element and a valve seat member against each other by slidably supporting the valve seat member in the axial direction of an operating shaft with respect to a casing, energizing the valve seat member toward ...
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JP2000240821A |
To provide a seat ring fitting structure for a gate valve, which can greatly extend a seat ring service life by permitting a rework/reuse of a worn seat ring and offer a fitting practice superior in a working efficiency and a sealing per...
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JP2000240820A |
To reduce valve height for compactness and improve the sealing performance. A valve element seat 23 consists of upper valve element seats 23a formed on the verges of upstream and downstream faces of an upper portion of a valve element, a...
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JP3081869B2 |
The apparatus is characterised by a spring or springs 23, (30, Fig 3) of a shape memory alloy. Only at relatively high temperature do these springs 23, 30 develop notable actuating forces, by which an only relatively slightly throttled c...
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JP2000226050A |
To deliver a fluid matter while maintaining asepsis and perfectness therefor by a method wherein at least two valve seats and elastomer sealing bodies are provided, and flow is blocked with the sealing bodies fitted firm respectively to ...
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JP2000220757A |
To decrease the number of closing valves by providing a shut down function equal or similar with/to a leakage compensating function of a conventional closing valve for electric control valves. This electric control valve is so constitute...
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JP3059093B2 |
A butterfly valve for hot fluid, including: a cylindrical duct; a flap pivotally mounted inside said duct; a shaft attached to said flap so that a rotational torque can be transmitted to the flap; a pin inserted into a peripheral portion...
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JP2000179727A |
To improve a sliding characteristic, include no material making radioactivity, and reduce costs.In an abrasion resistant valve element with a film and a valve seat, a CrN film whose surface is formed as a sliding surface is formed on a b...
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JP3053756B2 |
PURPOSE: To obtain an underwater slidable resin composition which has no anisotropy to the shrinkage factor in the forming time, and to obtain the valve body of a valve device and a valve seat which have a good antiabrasive property of t...
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JP2000161502A |
To provide a constant flow rate valve with a low cost which can install it the place with a small fluid pressure.When a water pressure becomes high, a second flow route 14 and third route 15 are crushed by the elastic deformation and cru...
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JP2000145417A |
To decrease throttle loss while maintaining the performance of an engine as it is, by fitting the edge of a valve head of a poppet valve into the inner peripheral surface of a protrusion of a ring-shaped valve seat ring which is formed w...
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JP3040698B2 |
PURPOSE: To prevent the generation of vibration due to turbulence of fluid by providing a damper plate, with which a butterfly valve contacts when it turns, in the internal wall of the pipe of the butterfly valve. CONSTITUTION: A butterf...
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