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Class 137/15.24 - Plug valve


Subclass of Class 137 - Fluid handling
Definition: Subject matter wherein the significance is attributed
No. of patents: 31
Last issue date: 08/21/2007


NumberTitleIssue Date
7258029Device for connecting together a roller screw and roller nut assembly to a stationary and moving member
A device for connecting together a vertically disposed roller screw and roller nut assembly to a stationary member and moving member includes a bearing housing attached onto a fixed end of the roller screw. The bearing house includes at least one bearing and two bea...
08/21/2007
7185791Apparatus for metering and dispensing powdered product, and method for replacing a filler wheel for such an apparatus
The present invention relates to an apparatus for metering and dispensing powdered product into containers, including a storage chamber for receiving the product, an incrementally rotating filler wheel that has at least one metering opening, the filler wheel in a fi...
03/06/2007
7131629Composite valve for gas supply system
An automatic-and-manual operation composite valve includes a valve main body into which an air is supplied and from which the air is discharged, a piston provided within the valve main body to be vertically movable by means of the air supplied or discharged and a sn...
11/07/2006
7081223Method for manufacturing a rotatable plug element and valve
A valve for controlling the flow of a gas therethrough which requires no machining in order to attain an effective seal between the valve seating surface and a rotatable plug element. The valve seat surface remains as cast while the plug consists of an overmolded pl...
07/25/2006
7066236Injection device for light metal injection molding machine
An injection device for a light metal injection molding machine includes a melting device for melting light metal material into molten metal, plunger injection device for carrying out injection of molten metal using a plunger after the molten metal is metered into a...
06/27/2006
7048251Valve with removable actuator
A valve assembly includes a valve body and a valve actuator which is releasably engageable with the valve body. The valve body has an internal cavity within which a valve member is located, and a valve stem is interconnected with the valve body and is accessible fro...
05/23/2006
7047994Stopcocks and methods of manufacture thereof
A medical stopcock is provided that is constructed and arranged to withstand high pressures and gamma irradiation. The stopcock generally includes a housing and a valve member. The valve member is trapped within the housing so that, when subjected to relatively high...
05/23/2006
7032885Throttle body and method of assembly
A throttle body for an automobile and a method of assembly of a throttle body are provided. The throttle body includes a throttle shaft defining a rotational axis, a housing having a bore, a deformable member located on the throttle shaft and at least partially-loca...
04/25/2006
7021504Apparatus for dispensing free-flowing material
Apparatus for dispensing a free-flowing material comprising a container for receiving the material, a pump connected to the container for conveying the material to a port from which free-flowing material can be dispensed. The pump includes at least one rotatable pum...
04/04/2006
6969481Method for producing a pipe termination box from thermoplastic material
A method is described for producing a pipe end socket (3) made of thermoplastic material with a sealing ring (5) which engages in a form-fitting manner on the inside of the socket in a circumferential bead (4) and which comprises a sealing part ...
11/29/2005
6675825Lubricated plug valve
A plug valve is provided that may be lubricated while in service. The invention provides a high-pressure valve having a valve body containing a plug allowing bi-directional flow and moveable between an open and closed flow-through position. The valve perm...
01/13/2004
6640823Fitting
A fitting including a housing (2), a rotatable body (4) which is situated in the housing and which may advantageously be constructed in the form of a conical plug, a bushing (18) provided in the housing to floatingly mount and seal the rotatable body (4),...
11/04/2003
6609532Rotational connecting valve with quick disconnect
A rotational two valve disconnect apparatus including a first rotational valve, a second rotational valve, and a rotational disconnect structure connected to the valves. The valves on the disconnect structure are constructed so that the disconnect can be ...
08/26/2003
6270055Hydraulic shut-off valve
In a hose coupling with a coupling sleeve and a coupling nipple and a valve insert (9) provided therein, the valve spring, the holding element and the valve seat of the valve insert are designed as a one-piece component, and the valve spring (11) has a ca...
08/07/2001
6254059Electrically operated flow control valve
An electrically operated flow control valve 100 comprises a can 160 fixed to the upper portion of a valve body 110. A rotor member 130 is equipped inside a can 160, and a stator member not shown in the drawing is equipped to the exterior of the can 160. T...
07/03/2001
6206024Valve assembly
An improved valve disc assembly that can be easily and conveniently disassembled and reassembled with accurate positioning of the valve disc within the through bore of the valve body. A split clamp ring is provided for securing the seat retaining ring and...
03/27/2001
6152159Valve assembly and method for use in delivery of molten metal
A plunger-style valve assembly for use in a launder system of a machine for casting parts made from molten aluminum or other metal comprises a valve body having a longitudinally-extending inlet passageway and a longitudinally-extending outlet passageway w...
11/28/2000
5647389Indexable latching handle assembly for quarter-turn rotary valves
An indexable latching handle assembly for quarter-turn rotary valves which permits the arc of operation to be oriented as necessary to avoid surrounding obstacles and enhance ease of operation. This handle assembly has a latching device capable of latchin...
07/15/1997
5503177Repair device for fluid distribution valves
The present invention features a retrofit, stop replacement device for the repair of damaged, rusted or corroded stop limits or abutments of distribution valves. The repair device is made up of a guide plate that fits over the facial portion of the distri...
04/02/1996
5499648Sealing means for pressure relief valves and methods of assembly
A safety relief valve (12) for a pressure vessel (10) in which the main valve member (28) includes a valve plate or disc (52) and a retainer plate (64) having a flexible membrane or diaphragm (62) stretched therebetween in a taut relation to provide a fru...
03/19/1996
5301708Rotary plug valve actuator and associated rotary plug valve and associated method
A rotary plug valve actuator comprising a mounting bracket, a ball screw mechanism pivotably mounted to the mounting bracket and a lever pivotably mounted to the ball screw mechanism. The ball screw mechanism includes a ball screw shaft and a ball nut. Th...
04/12/1994
5201335Method and apparatus for attaching ceramic to metal parts
A metal valve stem is attached to a ceramic valve plug. An elongated metal screw member has an expandable section securely wedged into a cavity in the plug as the attached screw/ceramic plug are threadably tightened on the valve stem. A first pre-wedging ...
04/13/1993
5123439Valve body ceramic liners
Valves having a straight bore are fitted with a structurally discrete cylindrical ceramic liners. An additional ceramic insert may be inserted in the interior of the bonnet. The ceramic liner and ceramic insert protect the interior of the valve from abras...
06/23/1992
5002084Quick clean rotary valve
A rotary valve and associated method of cleaning, including a generally cylindrical housing (104) defining a central axis, and a rotatable shaft (106) mounted in a first end plate (130) of the housing for rotation by a drive system (108) operating adjacen...
03/26/1991
4964432Method and means for mounting valve member on valve stem
A method and means for removably connecting a valve member (62, 62A) on a valve stem (46, 46A) for movement between open and closed positions relative to a valve seat (24, 24A). The removable connection includes a split frustoconical connector (76, 76A) f...
10/23/1990
4887629Plug valve and method of assembly
An eccentric plug valve and method for assembly wherein the valve utilizes a replaceable valve seat which is placed against a gasket held in a groove about a rim of a valve opening within the valve body and the valve seat is held in position by means to f...
12/19/1989
4776566Raised hardface overlay valve seat
A raised hardface overlay valve seat, fused around the periphery of the port of a valve, having an inverted frustoconical body cavity and an inverted frustoconical plug inserted into said cavity in sealing engagement therewith. A major advantage of the ra...
10/11/1988
4705058Plug valve
A plug valve comprises a plug rotatable in a body of plastics. The plug fits closely within a thin walled metal can. The valve body is formed by moulding around the can and plug, the can thereafter remaining fixed within the valve body, while the plug is ...
11/10/1987
4630629Valve with compressible valve stem and valve body seals
A valve is provided with improved bonnet-stem and bonnet-valve body seals. Both non-metallic seals may be simultaneously compressed by threading the bonnet to the valve body, with a valve stem seal sandwiched between the bonnet and an axially movale retai...
12/23/1986
4598728Plugcocks
The present invention relates to plugcocks or stopcocks, and the method of producing the same. The plugcocks are formed of two primary elements a body and a plug or stem member rotatably mounted therein. The plug member has the shape of a cone the bottom ...
07/08/1986
4564044Rotatable valve assembly
A rotatable valve assembly (38) for a rotary piston filling machine, the rotatable valve assembly being received within a valve body (30). The valve assembly includes a supporting valve plug (40) and interchangeable valve sleeves (42) which are adapted to...
01/14/1986
 
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