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Valve arrangement for use with a water meter

Patent Number: 8109297
Publication Date: 2012-02-07
Inventors: Cimberio, Roberto; Uder, Jason

Valve arrangements for use with a water meter include a first valve comprising a first valve housing, a first inlet, and a first outlet, the first inlet and the first outlet of the first valve being oriented substantially perpendicular to one another, a second valve comprising a second valve housing, a second inlet, and a second outlet, the second inlet and the second outlet of the second valve being oriented substantially perpendicular to one another; the first inlet of the first valve and ...

Fluid flow passage structure and manufacturing method thereof

Patent Number: 8109296
Publication Date: 2012-02-07
Inventors: Minegishi, Keiichi; Yoshida, Yasunori; Wada, Kouji; Kawamura, Youichi

A fluid flow passage structure and a manufacturing method therefor are provided, in which fluid flow passages can be easily produced employing a simple structure and process, while also being suitable for reducing the weight thereof. Wire members having a predetermined pattern are disposed between a first block member and a second block member. Airtight and fluidtight hermetic fluid flow passages are formed between such members, by forming the first block member, the second block member, ...

Manifold assembly

Patent Number: 8109295
Publication Date: 2012-02-07
Inventor: Osteen, William Clinton

A manifold assembly used to control the flow of oxygen in an oxygen concentrator system The manifold assembly provides a series of internal pathways which receive a primary and secondary relief valves via external orifices. The manifold reduces the number of component connections and potential leak paths for control and monitoring of process ...

Valve cartridge with integral stop

Patent Number: 8109294
Publication Date: 2012-02-07
Inventors: Kacik, Mark S.; Tucker, W. Randall

A one-handle valve cartridge has a housing that functions as a stop for an actuating mechanism of the valve cartridge to define a range of flow rates and/or temperatures for which the water flowing through the valve cartridge is ...

Valve cartridge with isolated friction and cartridge loads

Patent Number: 8109293
Publication Date: 2012-02-07
Inventor: Tucker, W. Randall

A one-handle valve cartridge includes a spring that isolates frictional forces between dynamic sealing elements in the valve cartridge and loads applied to the valve cartridge and transmitted to the dynamic sealing elements from an actuating mechanism of the valve ...

Insertion piece to a single-grip mixing faucet

Patent Number: 8109292
Publication Date: 2012-02-07
Inventors: Szarvas, Tamas; Bolgar, Gyorgy

An insertion piece to a single-grip mixing faucet developed as a control unit. On one side, the control unit is connected to a footing having warm and cold water inlets. On the other side, the control unit is connected to a driving arm. The control unit includes a fixed inlet disc and a moving control disc arranged above the inlet disc to form together a plane sealing. The side of the inlet disc opposite the control disc is coupled to the footing, whereas the side of the control disc ...

Arrangement for conveying concrete with a height-adjustable concrete distributing mast

Patent Number: 8109291
Publication Date: 2012-02-07
Inventors: Fuegel, Dietmar; Mayer, Martin

The invention relates to an arrangement for conveying concrete for the construction of multi-storey concrete buildings. The arrangement comprises a concrete-distributing mast which is height-adjustable on completed parts of the building, for example on storey floors (48′, 48″, 48′″), the mast comprising a supporting column (10), a rotary unit (12) and an arm assembly (14) preferably designed as an articulated boom, and the mast being equipped with a ...

Pipe joint

Patent Number: 8109290
Publication Date: 2012-02-07
Inventors: Sato, Motohiro; Saito, Shuichi

A pipe joint is equipped with a socket and a plug, which are attachable and detachable from each other, wherein a pressure fluid introduced from the plug flows toward the socket through second holes formed in a plug valve. In addition, the pressure fluid flows smoothly along outer circumferential surfaces of the plug valve and a socket valve, and along inner circumferential surfaces of a plug body and a socket body. Further, the pressure fluid flows from the socket body to a back body, ...

System and method for decentralized balancing of hydronic networks

Patent Number: 8109289
Publication Date: 2012-02-07
Inventors: Havlena, Vladimir; Pekar, Jaroslav; Trnka, Pavel; Hilborne-Clarke, Axel

A method includes associating a plurality of valve balancing units with a plurality of valves in a hydronic network. The method also includes adjusting a setting of at least one of the valves using at least one of the valve balancing units to balance the hydronic network. Adjusting the setting could include identifying a differential pressure across a valve and a flow rate of material through that valve. Adjusting the setting could also include comparing the identified differential pressure ...

Flow rate control system and shower plate used for partial pressure control system

Patent Number: 8109288
Publication Date: 2012-02-07
Inventors: Shimazu, Tsuyoshi; Hayashi, Daisuke; Nagaoka, Hideki; Koizumi, Hiroshi; Ooyabu, Jun; Endo, Hiroki; Ito, Keiki

A partial pressure control system 45 includes two valves 2 which are branched from an operation gas supply pipe 44 and which variably control operation gas, pressure sensors 3 which are respectively connected to the each valves 2 in series and which detect pressure of the operation gas, and a controller 25 which proportionally controls the operation of the valves 2 based on detection result of the pressure sensors 3, thereby relatively ...

Controlled release of additives in fluid systems

Patent Number: 8109287
Publication Date: 2012-02-07
Inventors: Drozd, Joseph C.; Kelly, Dennis; Martin, Harold R.; Blakemore, Thomas J.; Hudgens, Doug; Verdegan, Barry M.

A container (1) for releasing a chemical additive (7) in a fluid material selected from a lubricant or hydraulic fluid composition comprises a fluid material-impermeable casing (3) having a hollow interior and an additive composition (7) comprising at least one fluid material-soluble additive. The additive (7) is held within the container (1) by a least one fluid material-permeable element (11) provided at or near an opening (13) in ...

Fuel tank including movable or deformable fuel chamber and waste chamber

Patent Number: 8109286
Publication Date: 2012-02-07
Inventors: Ishikawa, Takao; Itabashi, Takeyuki; Nojima, Masafumi; Kanemoto, Hiroshi

In a fuel tank for containing a hydrogen storing material and a product generated by dehydrogenation reaction of the hydrogen storing material, comprising, a fuel chamber for containing the hydrogen storing material, a waste chamber for containing the product, and a tank envelope for containing the fuel chamber and the waste chamber, the fuel tank further comprises a partition wall fluidly separating the fuel chamber and the waste chamber from each other and being movable to change a ratio ...

Roll over vent valve

Patent Number: 8109285
Publication Date: 2012-02-07
Inventors: Ehrman, Moshe; Akian, Ilan; Vulkan, Omer

A roll-over vent valve comprising a housing formed with a fluid inlet and a fluid outlet, a valve seating bounding an outlet aperture of the housing, a float member received within the housing and axially displaceable between a sealed position wherein a sealing member thereof sealingly bears against the valve seating of the outlet aperture to seal the fluid outlet, and an open position wherein the sealing member is disengaged from the valve seating whereby the fluid outlet is in flow ...

Bubble trap assembly for critical bioprocess applications

Patent Number: 8109284
Publication Date: 2012-02-07
Inventors: Furey, James F.; McMickle, Jr., John F.

A bubble trap assembly for critical bioprocess applications. The assembly includes a disposable liner including a gas port disposed on a top of the liner, and two fluid ports disposed on the bottom of the liner. The fluid ports coupled in-line to the critical bioprocess application. A rigid vessel is included for housing the liner. The liner being sized to substantially conform to a shape of the inside of the vessel. The vessel includes an upper aperture for aligning with the gas port and a ...

Gas supply unit and gas supply system

Patent Number: 8104516
Publication Date: 2012-01-31
Inventors: Itafuji, Hiroshi; Moriya, Shuji; Nagaoka, Hideki; Okabe, Tsuneyuki; Ito, Minoru; Doi, Hiroki

A gas supply unit and a gas supply system that are small-sized and inexpensive. The gas supply unit is installed on operation gas conveyance pipeline and has fluid control devices communicated via flow path blocks and controlling operation gas. The gas supply unit has the first flow path block, to one side of which an inlet open/close valve included in the fluid control devices is attached, and also has the second flow path block, to one side of which a purge valve included in the fluid ...

Microfabricated elastomeric valve and pump systems

Patent Number: 8104515
Publication Date: 2012-01-31
Inventors: Unger, Marc A.; Chou, Hou-Pu; Thorsen, Todd A.; Scherer, Axel; Quake, Stephen R.

A method of fabricating an elastomeric structure, comprising: forming a first elastomeric layer on top of a first micromachined mold, the first micromachined mold having a first raised protrusion which forms a first recess extending along a bottom surface of the first elastomeric layer; forming a second elastomeric layer on top of a second micromachined mold, the second micromachined mold having a second raised protrusion which forms a second recess extending along a bottom surface of the ...

Microfabricated fluidic circuit elements and applications

Patent Number: 8104514
Publication Date: 2012-01-31
Inventors: Unger, Marc A.; Fernandes, David; Chou, Hou-Pu

A microfabricated fluidic unidirectional valve includes a microfabricated elastomer material having a flow through channel. The microfabricated fluidic unidirectional valve also includes an elastomer flap attached to the elastomer material in the flow through channel. The elastomer flap forms a seal in the flow through channel to prevent fluid from flowing in a first direction through the flow through channel and to allow fluid flow in a second direction through the flow through ...

Gas flow path switching units

Patent Number: 8104513
Publication Date: 2012-01-31
Inventor: Furukawa, Masanao

Disclosed is a gas flow path switching unit including a gas passage section with a target gas passage for allowing said target gas to pass therethrough. The target gas passage includes a main passage having a proximal end serving as said gas inlet and a number n of branch passages each provided with a respective gas outlet at a terminal end thereof. The branch passages are formed by repeating two or more times a branching process of branching said main passage into two sub passages at a ...

Spout tip retention method

Patent Number: 8104512
Publication Date: 2012-01-31
Inventors: Moore, Jeffrey L.; Nelson, Alfred C.; Thomas, Kurt J.

An apparatus and method for assembling a faucet spout to retain a tube within a body of the faucet ...

Sequential stepped directional control valve

Patent Number: 8104511
Publication Date: 2012-01-31
Inventor: Reilly, Joseph Patrick

A sequential stepped directional control valve accepts pressurized hydraulic fluid from a pressure port, and directs that pressurized fluid to a first stage port, or to both a first stage port and a second stage port. In the neutral position, the valve blocks the flow of pressurized hydraulic fluid into the valve. In the first stage position, pressurized hydraulic fluid flows into the valve and is directed by the valve to the first stage port, however, the fluid flow to the second stage ...

Device for regulating the flow of a liquid or gaseous medium

Patent Number: 8104510
Publication Date: 2012-01-31
Inventors: Ams, Felix; Metternich De Oliveira, Peter

The invention relates to a device for regulating the flow of a liquid or gaseous medium, having a valve housing (11), which has at least one valve inlet (15, 16) and a valve outlet (17) as well as at least one valve opening (18, 19), located between the two and surrounded by a valve seat (21, 22); having a valve member (23) controlling the valve opening (18, 19); and having a valve member actuating device (14), which has a valve ...

Water timer system having removable input and display module

Patent Number: 8104509
Publication Date: 2012-01-31
Inventors: Zore, William F.; Leer, Rick L.

A water timer system includes a base assembly and an input and display module. The base assembly includes (i) a conduit structure defining an inlet, an outlet, and a passage extending therebetween, (ii) a first housing defining a first chamber, (iii) a motor located within the first chamber and having an output member, (iv) a gear set located within the first chamber, (v) a valve member movable between a first valve position in which the valve member is positioned to prevent water flow ...

Valve device assembling structure, plug body, and manual valve

Patent Number: 8104508
Publication Date: 2012-01-31
Inventors: Kuroyanagi, Munetoshi; Shima, Toshihiko; Fujiwara, Hidetoshi; Suzuki, Takuya; Kamiya, Tadayoshi; Shirai, Soichi; Shirai, Nobuyuki

A plug body housing 16 has a receiving recess 17, and the receiving recess 17 includes a first recess 21 opening toward the outside and a second recess 22 connected to the first recess 21. Check valves 8 and 9 are provided in the second recess 22, and a manual valve 14 is provided in the first recess 21. An internal threaded portion 45 is formed in an inner circumferential surface of the first recess ...

Gas switch capable of adjusting fire intensity finely

Patent Number: 8104507
Publication Date: 2012-01-31
Inventors: Chang, Pao-Chi; Liu, Shu-Mei; Wu, Sen-Yu

A gas switch capable of adjusting fire intensity finely includes a gas switch capable of adjusting fire intensity finely, comprising a switch body inside which a guide is installed, a valve set that revolves inside the switch body and includes a hollow valve and a pilot valve moving elastically through the valve, a drive component installed inside the switch body, which contains a rotating rod that can move along and rotate round the same shaft of the valve set, a guide rod placed on the ...

Diaphragm-sealed valve having intermediate communication ports

Patent Number: 8104506
Publication Date: 2012-01-31
Inventors: Fortier, Andre; Gamache, Yves

A diaphragm-sealed valve having communication mechanisms operatively connecting neighboring pairs of grooves is provided. Each communication mechanism has a communication port opening in an interface of a valve cap, between the neighboring grooves. The communication mechanism also has a communication conduit extending within the valve cap and connecting the communication port and one of the neighboring grooves. It also has a recess within a valve body aligned with the communication port and ...

Two-way actuator and method

Patent Number: 8104505
Publication Date: 2012-01-31
Inventors: O'Brien, Robert S.; O'Brien, Robert T.

Disclosed herein is a two-way actuator. The actuator includes, a tubular, movably positionable within a structure between at least a first position and a second position, the tubular having a first density selected such that buoyancy forces urge the tubular toward the first position in response to submersion of the tubular within a fluid having a second density that is greater than the first density, and at least one flow resistor disposed at the tubular configured to urge the tubular ...

Methods and apparatus for removable lid with ultra fast action speed for relies compressed media, liquid or compressed gas

Patent Number: 8104504
Publication Date: 2012-01-31
Inventors: Oleynik, Vladislav; Albul, Gennadiy

An assembly is for extremely fast opened lids systems, where compressed gases or liquids or oils are used. Mainly, the removable lid is comprised of a lid, a lid platform, a dynamic hinging mechanism, and a releasing mechanism. A final action could be via means of mechanical or electrical via an action of a ...

Optimized activation prevention mechanism for a gas delivery system and methods therefor

Patent Number: 8104503
Publication Date: 2012-01-31
Inventor: Taskar, Mark

An optimized activation prevention assembly for a gas delivery system is disclosed. The apparatus includes a pneumatically operated valve assembly. The apparatus also includes a toggle switch mechanically attached to the pneumatically operated valve assembly, the toggle switch includes a toggle arm, the toggle arm being positioned in one of an activation zone and a deactivation zone, wherein when the toggle arm is positioned in the activation zone, the pneumatically operated valve is ...

Drain water bacteriostatic structure for air conditioner

Patent Number: 8104502
Publication Date: 2012-01-31
Inventors: Takeuchi, Makio; Nakata, Haruo

A drain water bacteriostatic structure for an air conditioner is provided with a drain pan 8 for holding drain water generated in an air conditioner 1 and an upright antibacterial member 50 which is provided in the drain pan 8. The antibacterial member 50 is provided with an antibacterial agent 50B. The length L₃of the antibacterial member 50 in the up-down direction is set such that the lower end portion 50a of the ...

Fluid handling system

Patent Number: 8104501
Publication Date: 2012-01-31
Inventor: Ness, Daniel W.

A method and apparatus for handling fluids on an oil and gas well drilling platform utilizes detachable peripheral frames to reduce the per square foot load transferred to the platform when reservoirs on the apparatus are filled to (or near) ...

Acoustic liquid level detection

Patent Number: 8104500
Publication Date: 2012-01-31
Inventor: Olah, Laslo

The filling noise generated inside a pressurized container when liquid is injected into the container is detected at the outer end of a vent tube which extends into the container. When the level of liquid in the container reaches the lower end of the vent tube, the filling noise detected at the outer end is abruptly diminished. This abrupt change is detected and used to automatically terminate filling of the ...

Precision siphon operated septic field dosing system with filtration and backwash

Patent Number: 8104499
Publication Date: 2012-01-31
Inventor: Rashid, Abdul

A septic field dosing system is described which utilizes a self starting true siphon to deliver a dose of septic tank effluent into a conventional septic field. The precision siphon unit not only eliminates the need for electrical services to the septic tank, thereby eliminating the need for pumps and solenoid operated valves and switches at the septic tank, but also contains the effluent handling equipment in a small unit. For example, the drawdown of the septic tank is used to entirely ...

Soil moisture sensor and controller

Patent Number: 8104498
Publication Date: 2012-01-31
Inventors: O'Brien, Kevin G.; Dresselhaus, Daniel D.

Moisture sensor devices and methods are disclosed herein. One embodiment includes an integrated moisture sensor and controller to be placed in soil comprising a controller circuit for controlling a switch; a sensor circuit comprising a probe and adapted to provide the controller circuit a signal corresponding to a moisture level of the soil. The controller and sensor circuits integrated into a single device positioned within the soil; the switch coupled to the controller circuit and to be ...

Microfabricated elastomeric valve and pump systems

Patent Number: 8104497
Publication Date: 2012-01-31
Inventors: Quake, Stephen; Chou, Hou-Pu; Hansen, Carl; Thorsen, Todd; Unger, Marc; Scherer, Axel; Enzelberger, Markus; Adams, Mark

Reverse flow back pressure pump

Patent Number: 8104496
Publication Date: 2012-01-31
Inventors: Washington, Bryan; Thompson, Bernard

A reverse flow back pressure pump that enables liquid to flow in a reverse direction in plumbing fixtures in order to loosen and discharge sediment freed during the reverse ...

Versatile emergency shutdown device controller implementing a pneumatic test for a system instrument device

Patent Number: 8104495
Publication Date: 2012-01-31
Inventor: Snowbarger, Jimmie L.

A multi-functional or versatile emergency shutdown valve controller may be used in various different emergency shutdown configurations to enable the testing of different types and configurations of emergency shutdown devices and the supporting equipment associated therewith. In one example, a digital valve controller for use with an emergency shutdown valve includes two pressure sensors and is adapted to be connected to a pneumatic valve actuator and to a solenoid valve device to assist in ...

Particle-measuring system and particle-measuring method

Patent Number: 8100147
Publication Date: 2012-01-24
Inventors: Matsuda, Tsukasa; Ikeda, Kyoko; Otsuki, Hayashi

The present invention provides a particle measuring system which is provided in a processing system 40 which generates an atmosphere obtained by exhausting air or a gas in a processing chamber 48 by a vacuum pump 98 and applies a process concerning semiconductor manufacture to a wafer W in the atmosphere, attached to an exhaust pipe 90 which connects an exhaust opening 86 of the processing chamber 48 with the vacuum pump 98, and measures the ...

Flexible valve assemblies principally for automatic swimming pool cleaners

Patent Number: 8100146
Publication Date: 2012-01-24
Inventors: van der Meijden, Hendrikus Johannes; Moore, Michael Edward

Flexible valves principally (although not necessarily exclusively) for automatic swimming pool cleaners are addressed. The valves have generally parabolic closure regions and do not present linear transverse cross-sections to water flowing through them. The closure regions may extend substantially below the transverse center lines of the valves, which additionally may include teeth at or near hinges of the closure regions. Including the hinges reduces likelihood of undesired wear at or near ...

LIFD valve assembly

Patent Number: 8100145
Publication Date: 2012-01-24
Inventor: Desbois-Renaudin, Matthieu

An LIFD valve assembly has a pressure balance device a pressure balance slide of which is urged in the opening direction by a pressure downstream of a metering aperture and in the closing direction by a control pressure preferably corresponding to the highest load pressure of a plurality of consumers, and a load pressure downstream of the metering aperture is reportable to a line via the pressure balance device, and a load-maintaining device that can be put in a closing position, in which ...

Mounting arrangement for a rotary valve

Patent Number: 8100144
Publication Date: 2012-01-24
Inventor: Dirker, Martin W.

A mounting arrangement for mounting at least one rotary valve to a drive shaft is provided, where the drive shaft includes at least one mounting hole at a predetermined position therein. The mounting arrangement may include at least one rotary valve having a curved portion and two side portions. The arrangement may also include a central passage passing through the two side portions that is shaped to allow the drive shaft to extend therethrough. The rotary valve may also include a mounting ...

Multi-way valve with fan-shaped flow channel sealing pair

Patent Number: 8100143
Publication Date: 2012-01-24
Inventors: Wan, Mingmin; Yao, Jianshe

An oil and gas collection and transmission system for petroleum, chemical industry, and so on, includes a multi-way valve with a fan-shaped flow channel sealing pair to measure production of an individual well to obtain the dynamic production data of an oil well. The multi-way valve with fan-shaped flow channel sealing pair includes a floating gating ring that is applied with contact specific pressure by an elastic component and an upper porous plane body form a gating plane sealing pair; a ...

Bleed-type electromagnetic valve

Patent Number: 8100142
Publication Date: 2012-01-24
Inventor: Sasago, Shunpei

A bleed solenoid valve that includes a valve main body that is hollow and formed with an input port, an output port, and a discharge port; a flow-changing part that is accommodated inside the valve main body and formed with a first flow path and a second flow path, a valve shaft that is accommodated inside the flow-changing part; and a solenoid part that moves the valve shaft in the axial ...

Water supply control assembly with automatic shut-off and duty cycle reset

Patent Number: 8100141
Publication Date: 2012-01-24
Inventors: Miller, J. Thomas; Slupecki, Raymond H.

A water supply control assembly is disclosed for cutting off the supply of water to a house or building in the event of excessive water consumption. In one embodiment, a valve is secured to a distribution conduit in fluid communication with a pressurized source of fluid. A water flow sensing unit is secured between the inlet port and the flow discharge port. A magnet is mounted therein to a displaceable member and moved into and out of magnetic field coupling proximity to a timing reed ...

Strength-enhanced water-collecting pan for use under storage hot water heaters

Patent Number: 8100140
Publication Date: 2012-01-24
Inventor: Cantolino, Christopher Ralph

A multi-level fluid-collecting pan configured for placement under an upright cylindrical hot water heater tank and support thereof. It has a circular bottom surface integral with a raised central hub, multiple raised arcuate spokes extending outwardly from the hub, and multiple elevated risers extending from the perimeter wall toward the hub. A perimeter wall around the bottom surface defines a non-raised fluid-collecting area. Vibration isolators that support a hot water heater tank upon ...

Device for receiving liquids in aircraft and/or releasing liquids therefrom

Patent Number: 8096323
Publication Date: 2012-01-17
Inventor: Von Mohos, Zoltan

The invention relates to a device (1) for receiving liquids in an aircraft and/or releasing liquids therefrom, especially during the flight, said device being arranged especially in an airplane. The aim of the invention is to provide a device which can receive large quantities of liquids in a rapid, reliable and flexible manner. To this end, said device comprises a tank module (2) provided with at least one tank container (6) that is connected to a collector (8) ...

Microfluidic device with variable volume material

Patent Number: 8096322
Publication Date: 2012-01-17
Inventors: Neftel, Frédéric; Schneeberger, Niklaus; Vallet, Véronique; Piveteau, Laurent-Dominique

The invention relates to a microfluidic device comprising a first plate forming the substrate and including at least one perforation and, on either side of said first plate, at several locations, a material for defining passage portions consisting, in at least one of said locations, of an activatable material varying in volume on activation, said material being disposed at said locations in an arrangement that, during a first phase and upon activation of at least one location consisting of ...

Redundant electrohydraulic valve system

Patent Number: 8096321
Publication Date: 2012-01-17
Inventor: Goll, Armin

An electrohydraulic valve assembly having an inflow channel, a working channel and an outflow channel, including first and second valves each having a magnetic regulating device for applying a regulated activation force to the respective valve. The valves are arranged in parallel so that either can provide the hydraulic connection between the inflow, working and outflow channels. In the case of error detection, the active valve is deactivated and the until then passive valve is activated ...

Compact beverage pressure regulator

Patent Number: 8096320
Publication Date: 2012-01-17
Inventors: Reitter, Klaus; Caldwell, Gerard K.; Byrd, Jon

A pressure regulator includes a body member for regulating pressure of a fluid flowing therein. The body member has one end for receiving the fluid and another end for providing pressure regulated fluid. The pressure regulator has two quick-disconnect devices, each arranged on a respective end of the body member, including a male quick-disconnect device for coupling to a corresponding female quick-disconnect device forming part of a hose or dispenser for providing the fluid or a pump for ...

Check valve

Patent Number: 8096319
Publication Date: 2012-01-17
Inventor: Beck, Hubert

Check valve includes a housing, a bore, and a movable valve body, which is spring-loaded and rests with a sealing action on a valve seat, where the bore is designed as a stepped bore, where the bore with the smaller diameter has the valve seat, and where the bore with the larger diameter holds the movable valve element. The valve body is designed as a ball, which is guided in the bore by at least two guide ribs, and a retaining element in the terminal area of the bore captures the ball and ...

Valve flap for a plumbing valve

Patent Number: 8096318
Publication Date: 2012-01-17
Inventor: Coscarella, Gabe

A valve flap for a plumbing valve, includes a body having a first face, a second face, a top and a bottom. A pivotal mounting is provided in the vicinity of the top. A curved lower snake deflecting contact face is provided in the vicinity of the bottom, adapted to facilitate sliding contact with a plumbing snake. This valve flap enables a plumbing snake to be inserted into and withdrawn from the plumbing ...