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7575256 |
Bore liner for undersea hydraulic coupling
An undersea hydraulic coupling member having a bore liner that protects the coupling members from galling during assembly or disassembly. The bore liner is removable from the bore of a female...
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7523964 |
Sealing gasket for ventilation duct system
A sealing gasket for a ventilation duct system includes an annular gasket body and a pair of annular sealing flanges extending radially outwardly from the gasket body. The sealing gasket has, in...
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7472932 |
Luer-lock connector for medical devices
A Luer-Lock connector for medical devices with a tubular body and a swivel nut enclosing it and secured on it. The swivel nut has a radially inward-protruding edge and the tubular body has at least...
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7472911 |
Gasket for pipe coupling and pipe coupling incorporating same
The present invention relates to leak preventing gaskets contemplated for use with segmented pipe couplings, which include a pair of coupling segments adapted to receive a gasket which surrounds a...
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7303194 |
Seal retainer with pressure energized metal seal members for undersea hydraulic coupling
An improved seal retainer for an undersea hydraulic coupling member, which utilizes pressure energized metal seals to maintain fluid integrity. One or more metal seals designed to have a press or...
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7278477 |
Cup tool, cup tool cup and method of using the cup tool
A cup tool includes a cup tool tube having a threaded upper end for connection to a high-pressure mandrel, an outer surface over which an elastomeric cup is slidably mounted for reciprocal movement...
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7140618 |
Socket with dual-functional composite gasket
A gasketed pipe joint including a dual-functional, composite gasket, which in addition to forming a seal between a pipe bell and a spigot provides a molding surface for forming a bent retainer in...
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7108293 |
Swivel connector for a pipeline
A swivel connector ( 10 ) for a pipeline includes first and second connecting members ( 12, 14 ) connectable in the pipeline. The connecting members ( 12, 14 ) have round, telescopic pipe sections...
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7032905 |
Leak resistant seal
A seal includes a resilient carrier with opposed limbs holding sealing rings that engage sealing surfaces. The seal is oriented so that a space between the limbs is exposed to a higher than ambient...
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6997393 |
Pop-up irrigation sprinklers
The pop-up irrigation sprinkler includes a pressure reducing valve, a spring-biased, pop-up riser, and a valve seal of unitary construction adjacent to the lower end of the riser having a valve...
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6971680 |
Dialysis coupler assembly with joint members and hemodialysis system using same
The present invention provides a dialysis coupler assembly comprising a pair of rubber-like elastic tubular couplers, and a pair of joint members for joining the couplers together. Each of the...
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6962373 |
Pipe fitting with composite gasket assembly
A pipe fitting includes a body having sockets for receiving pipes therein and a composite gasket housed within a circumferential gasket retention housing integral with the socket. The composite...
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6921115 |
Coupling for pipe including an inclined flange
A coupling for joining two pipes in end-to-end relationship includes flanges which are sealably secured to end sections of pipes to be connected. The flanges form front inclined faces and adjacent...
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6918441 |
Cup tool for high pressure mandrel
A cup tool for use with a mandrel of a wellhead isolation tool has a substantially right-angled stepped shoulder over which an elastomeric sealing element is forced by elevated fluid pressures. A...
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6669405 |
Assembly and method for joining drain pipe to concrete catch basin
An assembly and method for joining a drain pipe with a concrete catch basin, structural elements of the assembly including a concrete catch basin having a wall, the wall having inner and outer...
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6663144 |
Seal retainer for undersea hydraulic coupling
An undersea hydraulic coupling has a male member and a female member with two ring-shaped hollow seals that engage the male member when it is inserted into the female member bore. A seal retainer...
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6663111 |
Sealing unit
Provided is a sealing unit for sliding onto a water outlet ( 38 ) with formation of a fluid-tight connection with a water hose or similar that is equipped with said sealing unit ( 1 ), and that...
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6581940 |
Concrete manhole connector gasket
An integrated connection for a manhole having a wall opening defining a peripheral surface and a ring shaped elastomeric body cast in place on the peripheral surface. The elastomeric body includes...
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6575430 |
Hydraulic coupling with dovetail seal having multiple radial sealing surfaces
An undersea hydraulic coupling member having a ring-shaped seal with multiple scaling surfaces extending radially inwardly therefrom is disclosed. The multiple sealing surfaces help guide the probe...
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6572118 |
Flexible seal member for non-metallic conduit to concrete manhole junction
A sealing member for sealing a joint between a pipe and a wall defining an opening is provided. The sealing member has an annular base, a projection, and preferably first and second annular...
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6533327 |
Quick-fitting coupling
A quick-fitting pipe union is proposed with an insertion component, a socket component and at least one sealing element. The sealing element ( 7 ) excels by virtue of the feature that it comprises...
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6450547 |
Pipe coupling for plastic pipes
A pipe coupling according to the invention comprises a socket ( 2 ) of glass-fiber reinforced plastics material and a membrane ( 4 ) of elastic material which is formed at at least one end as a...
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6412832 |
Self-flaring plastic fittings
The self-flaring plastic fitting is generally utilized in coupling one section of tubing to another section of tubing. In the present invention, at least one of the sections of tubing has an end...
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6371524 |
Slip-out preventing apparatus for sliding type joint mechanisms
A slip-out preventing apparatus for sliding type joint mechanisms, wherein packing members having lip portions in an opposed state and adapted to seal a clearance between a housing, which is fitted...
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6338507 |
Synthetic resin pipe with joint
A synthetic resin pipe with a joint, includes a first pipe end portion to be connected, having an open guide cylinder, a large-diameter cylindrical portion formed in a deep portion thereof...
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6322111 |
Self-sealing coupling connector for air ducts
An air duct installation joins the ends of two air ducts together using a self-seal coupling connector. The coupling connector has a band with first and second edges and inside and outside...
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6293556 |
Seal for coupling and connecting means
Coupling and Connecting Means for pipes of the same or different diameters and a seal to be used with such connecting means. The seal being a ring shaped seal made of rubber or other resilient...
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6241254 |
Detachable stationary sealing device
The invention relates to the sealing of detachable joints of the pipelines and manifolds by using metal elastic gaskets. A detachable stationary sealing device comprises the flanges having sealing...
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6224114 |
Pipe joint
A pipe joint, includes a press fitting with a section that is beaded in cross-section and holds a sealing ring and with a cylindrical area attached thereto that has, at the end of its extension, a...
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6202690 |
Pressure balanced undersea hydraulic coupling
An undersea hydraulic coupling is pressure balanced to reduce forces tending to urge the coupling members apart during coupling or uncoupling. A seal retainer having an L-shaped fluid passage is...
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6176523 |
Joint for variable wall thickness conduit
An improved joint for a variable wall thickness conduit is disclosed. The joint includes a female joint section and a male joint section. The female joint section has a body portion which...
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6170883 |
Tubular element with sealing means and a method for manufacturing the tubular element
A tubular element has a sealing ring mounted at an end of the tubular element. The sealing ring has a base clamped against the outer surface of the tubular element. Further, the sealing ring has a...
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6168208 |
Seal for use with roof drains
A sealing grommet is for use in coupling in sealed relation a drain pipe depending from a roof and a co-operating leader pipe. The bottom end of the drain pipe is inserted into the top end of the...
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6164705 |
Combination of pipes and gasket for connection thereof
Pipes are securely connected by an annular gasket. The gasket includes an inner portion, an outer portion situated radially outwardly of the inner portion, and a resilient connecting portion for...
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6152494 |
Pipe gasket with combined lip and compression seal geometries
A pipe sealing gasket is shown which is designed to be received within a groove provided within a socket end of a thermoplastic pipe. The gasket includes a ring shaped body which, when viewed in...
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6145846 |
Metal-to-metal seal in high pressure applications with low contact stress
A method of forming a metal-to-metal seal in high pressure applications with low contact stress. Firstly, providing a first elongate pressure containment member having a surface of revolution....
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6123339 |
Non-gasket sealing structure
There is provided a sealing structure including a body portion having an outer surface at which the body portion is kept in contact with an opponent part, the body being formed with a bore...
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6123104 |
Undersea hydraulic coupling with Y-seal
An undersea hydraulic coupling having a metal seal with a Y-shaped cross section that provides a face type seal between the male and female coupling members is disclosed. The inner circumference of...
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6113158 |
Pipe joint coupling
A joint coupling is disclosed for connecting sections of conduit. The present joint coupling includes a male connector portion having an inner side and an outer side, having a barb on one or both...
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6113155 |
Modular nesting metal conduit, in particular for discharging fumes
An interfitting modular metal duct made up of elements forming an inner d, pairs of elements being united by respective collars, sealing between the two elements being provided by a lip gasket and...
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6026803 |
Coupling with built-in gasket and mechanical locking device
The present invention discloses a coupling for use in vent systems which is self-sealing. The coupling includes a gasket in a female part of the coupling that seals against an end of a male part....
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6007106 |
Hydraulic coupling
A hydraulic coupling employing a polymeric elastomeric sealing member to provide an excellent seal under pressure. The polymeric elastomeric seal additionally has high resistance to acids, alkalis,...
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5988695 |
Pipe gasket with embedded ring
A pipe sealing gasket is shown which is designed to be received within a groove provided within a socket end of a thermoplastic pipe. The gasket has a ring shaped body of an elastomeric material...
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5964408 |
Irrigation sprinkler and valve with flushing system
An improved pop-up irrigation sprinkler with integral flow control valve, and an improved separate flow control valve, defined by a dual flowpath for pilot flow within the flow control valve; a...
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5941576 |
Connector and coupling means
A connector or coupling device for pipes of different materials and different diameters. The connector is formed by a single integral sleeve of roughly barrel shape. The two open end portions of...
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5851036 |
Permanent fitting for fluid-tight connections
A pipe connector has a coupling with a first cylindrical land, a second cylindrical land, and a third cylindrical land. There is a first annular recess defined between the first cylindrical land...
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5851034 |
Pipe swivel joint with removable plug for main seal replacement
A pipe swivel joint comprises a female conduit element and a male conduit element rotatably engaging the female conduit element. A removable plug within the female conduit element maintains a main...
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5762106 |
Undersea hydraulic coupling and metal seal
A coupling and metal seal are disclosed, primarily for use in undersea hydraulic applications. The female member of the coupling is of three-piece construction. The main body portion accepts a...
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5730474 |
Pipe joint and pipe for use therewith
A pipe joint is disclosed, along with a pipe for use with such a joint. The pipe has a double wall construction with support ribs connecting the two walls of the pipe. The pipe also includes at...
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5718458 |
High pressure fluid connector
A connector arranged for high pressure fluid carrying conduits comprises a central core having at least one fluid passage such as an integral bore, formed therein and an outer member surrounding...
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