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Document |
Document Title |
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7367595 |
Ferrule having convex interior wall portion
High localized loading, galling, and high torque forces have been generally eliminated or greatly reduced in a two ferrule tube fitting assembly through suitable modification of the rear ferrule so...
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7354073 |
Pipe joint
A pipe joint includes a push ring having a tapered receptacle and fitted to a junction pipe; a pipe joint main body having a pipe receptacle and fitted to the junction pipe; a clamp for moving the...
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7338088 |
Connector
A connector is provided for selectively coupling one or more lines or wires ( 19′, 19 ″) to a receiving and/or transporting device ( 27 ). The connector comprises at least one line or wire...
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7270351 |
Pipe coupling
A coupling assembly for plastic pipes including a nut, a body, a grip-ring, and a seal. The nut can engage the body through appropriate threads and includes a hooked projection having a sloping...
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7267372 |
Tube connector
Tube connectors and tube connector systems are provided. An exemplary system includes a first sleeve, a second sleeve, and radially compressible ring. A tube fits radially inside of the ring and...
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7240929 |
Ferrule with plural inner diameters
High localized loading, galling, and high torque forces have been generally eliminated or greatly reduced in a two ferrule tube fitting assembly through suitable modification of the rear ferrule so...
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7175208 |
High temperature end fitting and method of use
Embodiments of a system and method for sealing an end of a flowline to an end fitting are disclosed. Such methods include providing an end fitting housing having a bore, wherein a portion of the...
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7104573 |
Energized restraining gasket for mechanical joints of pipes
A gasket for converting a standard mechanical joint into a restrained mechanical joint without the need for altered configuration of the bell, spigot, or gland of the joint, and without the need...
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7100949 |
Ferrule with relief to reduce galling
High localized loading, galling, and high torque forces have been generally eliminated or greatly reduced in a two ferrule tube fitting assembly through suitable modification of the rear ferrule so...
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7093864 |
Connecting element for pipes and method for welding a connecting element onto the end of a pipe
The invention relates to a connecting element for welding onto a circular front face of a pipe, said element having an annular region, (friction region), that can be friction welded to said front...
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7032935 |
Self energizing connector
The self energizing tube connector for engaging a pressurizable part made of a tube capable of sustaining pressures up to 50,000 psi without deforming is made of an upstream tube end and a...
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7004511 |
Pipe coupling device
The pipe coupling device includes a sleeve having an end adapted for receiving a pipe. The end has a sealing cavity defined between the outer surface of the pipe and the interior surface of the...
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6988746 |
Nut type raintight threadless couplings and connectors for electrical conduits
In fittings designed to connect threadless electrical conduits, the improvement of providing raintight fittings, having a hollow cylindrical housing with a bore adapted to receive an end of a...
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6981720 |
Tapered ceramic GC fitting and assembly
The present invention is a ferrule for gas chromatography fittings comprising a body having a first end, a second end, and an internal bore extending length of the body; a tip integral with the...
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6974162 |
Pipe coupling
A coupling assembly for plastic pipes including a nut, a body, a grip-ring, and a seal. The nut can engage the body through appropriate threads and includes a hooked projection having a sloping...
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6932389 |
Connector with fluid line installation indicator
A connector adapted for use with an associated fluid line includes a connector body having a passage dimensioned to receive the associated fluid line and a capturing member supported on said...
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6926313 |
High pressure capillary connector
A high pressure connector capable of operating at pressures of 40,000 psi or higher is provided. This connector can be employed to position a first fluid-bearing conduit that has a proximal end and...
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6890006 |
Device for axially retaining a cylindrical element and more particularly a cable
Device for axial maintenance of a cylindrical element, wherein the device includes a coupling bushing comprising external threads, first nut strips which extend axially beyond the external threads,...
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6851729 |
Tube fitting for medium pressure applications
A fitting for the connection of a tubing end. The fitting includes a body having a bore with an internally-threaded opening which extends to a seating surface, and a front ferrule which is...
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6851728 |
Pipe-coupling device
A pipe-coupling device comprises a joint body having an opening with external threads to receive a pipe, a locknut having internal threads engaged with the external threads of the joint body, an...
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6840550 |
Pipe joint reducing required tightening force, including a tightening nut with two threaded sections whose pitches differ
A pipe joint for joining a tubular component ( 1 ) to a receiving piece ( 2 ), the pipe joint comprising a fitting body ( 3 ) having a recess ( 8 ), a tightening nut ( 6 a ) having a first thread (...
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6773039 |
Plug-in coupling
A plug-in coupling having a base body ( 6 ), a sealing ring ( 12, 13 ), a locking ring ( 40 ) and an annular body which can be connected to the base body ( 6 ). A pipe end ( 4, 5 ) can be locked in...
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6739632 |
Method and apparatus for coupling HVAC conduits
A coupling for connecting one or more pipes or conduits. The coupling includes at least one wedge-shaped gasket extending around the coupling. The wedge-shaped gasket includes an outer sloped or...
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6702336 |
Coupling device for polymeric pipes
A pipe coupling, wherein a pipe is freely insertable into the coupling and a nut causes engagement of a grip ring and gasket with the pipe to provide a seal between the coupling and the pipe,...
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6672629 |
Micromachined fluidic coupler and method of making the same
A micromachined coupler for coupling a capillary having a first size to an orifice having a shape and a second size, has a body which has a shape conforming the shape of the cavity into which the...
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6641180 |
Screw connection
A screw connection including a sealing ring, a connecting piece, and a union nut for assembling a tube connector. The sealing ring has a nut side portion with an annular reinforcement on its outer...
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6629708 |
Ferrule with relief to reduce galling
High localized loading, galling, and high torque forces have been generally eliminated or greatly reduced in a two ferrule tube fitting assembly through suitable modification of the rear ferrule so...
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6592153 |
High temperature end fitting
An end fitting in which to receive a flexible pipe end to be joined includes an annular seal unit comprised of a resilient elastomeric composition contained in a tapered rigid housing ring force...
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6592152 |
Joint structure for filtration membrane module
The present invention relates to a joint structure between a filtration apparatus and a filtration membrane module, which is characterized in that a cap with a pipe is disposed on at least one end...
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6575501 |
Tube sealing bushing
A deformable bushing to seal tubing to a receiving body is provided. The bushing includes a pair of grooves extending around the bushing with an annular ring between the grooves. The grooves are...
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6527304 |
Brake tube connector
A connector ( 10 ) for sealing an elongated tube ( 14 ) to a body ( 22 ) comprises a nut ( 12 ) concentrically about the tube ( 14 ) proximate the flared end ( 16 ). The nut ( 12 ) has a threaded...
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6524032 |
High capacity nonconcentric structural connectors and method of use
A connector is provided for removably attaching a space frame to the hull of a floating offshore platform. The connector comprises a socket attached to the hull of the platform. The socket has an...
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6505860 |
Connection device for conduits
A connection device for making a tight connection between two ends of tubes is provided. The connection device includes a body having two symmetrical and opposite portions for engaging ends of...
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6494500 |
Universal high pressure liquid connector
The present invention is a universal self-adjusting high pressure liquid connector for use with high pressure liquid chromatography (HPLC) columns requiring liquid-tight and leak free seals between...
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6488318 |
Piping joint and integrated valve with it
The present invention provides a piping joint and integrated valve with the piping joint, which improve airtight and watertight, maintain connection firm, and keep constant quality regardless...
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6464267 |
Pipe coupling
A pipe coupling includes a housing and a conical split ring which is compressed to firmly clamp a pipe received within the housing. The opposite ends of the split ring defining the split are...
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6450544 |
Combination mechanical/fusion pipe fitting
A piping system that includes a plurality of pipe made of thermoplastic material, a coupling and an arrangement for securing the pipe to the coupling. The coupling is configured so that either a...
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6390720 |
Method and apparatus for connecting a tube to a machine
A connection of a tube to a machine includes a plurality of rolled grooves in a region of contact between the collet of a compression fitting and the tube. The grooves reduce the occurrence of...
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6378915 |
Pipe coupling
A pipe coupling includes a body member ( 10 ) formed with a bore ( 11 ) for receiving one end of a pipe (P) to be coupled; a sealing ring ( 20 ) and a compression sleeve ( 30 ) receivable within...
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6371531 |
Stab-type coupling with collet having locking ribs and rotation prevention member
A coupling receives a non-metallic tube ( 12 ) in an opening of a coupling body ( 10 ). A seal assembly ( 22, 24 ) disposed inside the coupling body ( 10 ) seals between the body ( 10 ) and the...
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6347815 |
Quick connect fluid coupling with components positioned to provide continuous insertion resistance
A quick connect coupling incorporates several improvements including the combination of several functions into a single component. A single stop member provides a structure for holding a check...
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6345845 |
Phase controlled sequential gripping tube fitting
A phase controlled sequential gripping tube fitting for gripping a tube therein, the fitting comprising a rear ferrule shaped to receive the tube therein, the rear ferrule having a nose portion and...
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6334632 |
Synthetic resin-made fastening-limiting device for a joint fastening member
A synthetic resin-made fastening-limiting device employed for limiting a fastening force of a fastening member in case of fastening a connection portion between a pipe receiving port of the joint...
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6250686 |
Combination mechanical/fusion pipe fitting
A piping system that includes a plurality of pipe made of thermoplastic material, a coupling and an arrangement for securing the pipe to the coupling. The coupling is configured so that either a...
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6241022 |
Control line connector
The present invention is a connector which connects a first control line in a downhole well tool to a second control line. The connector may include a main body having a longitudinal bore...
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6193879 |
Reject water drain line installation system and apparatus for under sink reverse osmosis filter system
Reject waste water adapter coupling fitting, system and installation method for use with a household undercounter reverse osmosis (R/O) water filtration installation associated with an in-counter...
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6145893 |
Connector for pipeline
A structure of a pipeline connector is mainly composed of a socket, a restriction ring, a cover ring, a fixed inner pipe, a fixed outer pipe and a stopping ring. The socket is composed of a cone...
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6142538 |
Stab-type coupling with conduit inner diameter seal
A stab-type coupling (10) for connecting a conduit in fluid communication with a fluid receiving article or another conduit includes a coupling body (12) having an internal recess (16). A stiffener...
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6142535 |
Synthetic resin-made fastening-limiting device for a joint fastening member
The present invention relates to a fastening-limiting device for a fastening member which fastens a pipe inserted into a pipe receiving port on the side of a joint. The fastening-limiting device...
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6129391 |
Plastic coupling for plastic pipe having a completed installation signal
A plastic pipe coupling for the joining of plain end plastic pipe that includes a pair of longitudinally displaced annular followers, a tubular middle ring extending between the opposite followers,...
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