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7922217 |
Ferrule with radial crown
A ferrule for a metal tube fitting includes an annular body having a generally cylindrical radially interior wall extending through the center of the ferrule. An outer radial wall extends from the...
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7900976 |
Coupling device for tubular members
A coupling device includes a coupling body and a collar adapted to engage a tubular member in a permanent swaged connection. The coupling device includes axially spaced front and back ferrules...
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7699358 |
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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7681929 |
Pipe coupler for metal to plastic pipe
A pipe coupler for coupling pipe of dissimilar composition having a substantially cylindrical housing with a stub end and a bell end, the housing having a primarily plastic composition with an...
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7641239 |
Assembly of male and female members
The diameter of a front end opening section (20-1) extending rearward over a predetermined length from a front end opening of a male member reception hole (20) is larger than a diameter of a male...
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7516989 |
Piping connector and method of fabricating the same
A pipe connector for connecting a first pipe and a second pipe includes a socket attached to an end of the first pipe and a plug attached to an end of the second pipe, wherein the plug is inserted...
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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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7331615 |
Pipe union with extension
A pipe union with extension for interconnecting a first length and a second length of coaxial pipe may include a first annular pipe member attachable to the first length of pipe. The first annular...
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7278450 |
Coupling assembly for securement in the open end of a pipe
A coupling assembly for inserting into and coupling with the end of an open pipe, such as a cleanout pipe used in plumbing systems and wherein the coupling assembly may be used as a plug. The...
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6874822 |
Resinous tube
A resinous tube has opposite ends into one of which a mating member is fitted and with which the mating member is connected, and includes a sealing ring, a fastening cap, and a clamp. The sealing...
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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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6572155 |
Tube fitting
A tube fitting provides a sealed flow connection between an open-ended duct that extends along the longitudinal axis of a tube and an open-ended duct of a base element, for liquid separation...
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6510895 |
Energized sealing cartridge for annulus sealing between tubular well components
A mechanically energized annular packoff seal cartridge for metal-to-metal sealing with substantially concentrically arranged tubular members, such as the tubular wellhead housing and well casing...
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6488316 |
Flexible metal hose termination fitting with adapter for termination plate
A sealed coupling system for flexible hose, such as corrugated hose, includes a termination fitting that mounts the sealed system to a static structure, such as a wall or the like. The system uses...
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6419282 |
Compliant zero evaporative fuel connection
A fluid assembly is disclosed. The fluid assembly includes a first conduit having a generally annular first body and a first longitudinal channel extending therethrough and a second conduit having...
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6268565 |
Cable seal for submerged enclosures
A cable sealing arrangement is provided for limiting the ingress of fluid into a location about a cable, such as a telephone wire enclosure, which generally includes a fitting, two sealing members,...
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6264250 |
Tube joint
The present invention relates to plastic tube joints to transport warm water or tap water for air conditioning use, especially so-called simple-action tube joints.
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6206432 |
Ball-lock-type quick-acting connector
A quick connector of the ball-lock type includes a socket member, a plug member and a slidable sleeve which are specifically designed to permit manufacture by deep drawing of a sheet metal. The...
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6168211 |
Threaded connection with supporting ring
A threaded connection for easily deformable thin-walled pipes (20) has a connecting member (1) with a cylindrical receiving bore (5) accommodating the pipe (20) and an outer thread (7). A nut (8)...
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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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6106029 |
Pipe coupling with improved pull-out restraint
A pipe coupling for the joining of plain end plastic or metallic pipe that includes an annular follower, a tubular middle ring extending between opposite followers, an annular gasket within the...
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6102445 |
Sealed coupling system for flexible hose
A coupling system for corrugated, flexible metal hoses includes fitting and washer assemblies. The fitting assembly comprises inner and outer fittings, the inner fitting being received on the hose...
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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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5851037 |
Pipe coupling with gasket positioner
A pipe coupling for sealing a leak location in a pipe or pipeline by compressing annular gasket members against the pipe or pipeline around the leak location comprises a tubular middle ring, a pair...
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5845946 |
Corrugated flexible hose coupling system
A coupling system for corrugated, flexible metal hoses includes fitting and washer assemblies. The fitting assembly comprises inner and outer fittings, the inner fitting being received on the hose...
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5845945 |
Tubing interconnection system with different size snap ring grooves
A threadless interconnection system for sections of pipe as provided by a male/female interconnection in which the male member and female members have mating tapered surfaces providing both the...
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5833281 |
Fastening structure for a fluid plug-type connector with a connection bore
For fastening a fluid line 10" which can be inserted into a connection bore 9 with a connection end 10 there is an abutment 11 on the outer diameter in the area of the connection end 10 which, when...
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5794989 |
Construction for coupling two tubes
A construction capable of easily coupling or disassembling two tubes. The construction has a first annular flange of an enclosing tube protruding radially outward, a telescoped tube inserted in the...
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5779285 |
Pipe coupling assembly
A coupling assembly for joining two spaced coaxial pipe ends comprises an elongate sleeve adapted to receive coaxially two opposing pipe ends to be connected. The sleeve has frusto-conical ends...
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5738140 |
Adjustable height extension stem and valve box assembly
An adjustable-height extension stem and valve box assembly is provided for use with buried valves that is lightweight, readily adjustable to a large range of heights, and is capable of absorbing...
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5735555 |
Fuel rail to fuel tube end compact connector
A connector assembly for connecting a fuel rail and an inlet tube having an inlet tube end and a raised annular flange a predetermined distance from its end includes a connector body and an annular...
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5681058 |
Assembly for joining a pipe to a pipe fitting
An assembly for joining a pipe to a pipe fitting includes an anti-leak gasket which is mounted around the pipe and which has a tapered portion with an outer periphery complimentary to and thus...
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5669637 |
Miniature fitting assembly for micro-tubing
A fitting assembly (10) mates an end of polymer micro-tubing (12) in fluid communication with an internally threaded connector (22) having an internal bottom wall (38). The fitting assembly...
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5617879 |
Sealing arrangement for a coolant union having a floating seal assembly
A sealing arrangement for a rotating coolant union for preventing leakage forward between the outer surface of a seal carrier of a floating seal assembly of the coolant union and the inner wall of...
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5593188 |
Quick connect tubing connector and method of assembly
A quick connector for forming a joint in a fluid line consists of a female connector body having a bore which receives a male member. A sleeve surrounds and is secured on the male member in close...
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5538261 |
Mechanical heat-exchange tube sealing system
A sealing system for heat exchangers of the type having a plurality of vertically positioned heat tubes extending through a heat tube sheet for exchanging heat between the interior of the plurality...
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5496076 |
Fast tube connector structure
A fast tube connector structure including a tube connector, a rubber fastening washer, a guiding sleeve, a conic spring washer and a sleeve-like nut, wherein a tube is inserted through the nut into...
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5492374 |
Separable insertion-type pipe connection
A separable insertion-type connection is provided for pipes. By way of an end piece having an exterior collar, a pipe can be sealingly inserted into an inserting opening of a connecting body which...
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5486025 |
Stuffer pin assembly for quick connector
A stuffer pin assembly for carrying and loading internal components of a female connector body of a quick connector coupling. The assembly includes a cylindrical carrier body extending between a...
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5456314 |
Wellhead annulus seal
A seal for a wellhead housing employs a locking groove. The seal is of a U-shape, having an inner and outer radially spaced apart legs. An energizing ring is stroked downward to force the legs...
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5445393 |
Penetration limiting gland and metal gasket
A leak-tight seal is formed by sandwiching a metal gasket between opposing annular ridges surrounding the port to be sealed. The gasket is of metal soft enough to be penetrated by the ridges and...
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5433487 |
Wall penetration sleeve
A wall penetration sleeve for extending a conduit or pipe through a solid concrete, brick or other wall or connecting a first pipe provided on one side of the wall with a second pipe provided on...
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5310227 |
High pressure flex fitting
A high pressure flex fitting comprises a tube assembly which engages within a fitting body. The tube assembly comprises a tube upon which a deformable flanged compression sleeve is disposed...
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5308124 |
Thrust ring for pipe joints
A pipe joint thrust ring to be interposed between a joint member of a pipe joint and a connecting threaded member rotatably fitted to the joint member. The thrust ring comprises a C-shaped body in...
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5299644 |
Well starter head
A connector for connecting a tubular starter head to a casing of a well allows connection without special tools. The tubular head has an annular recess extending upward from its lower end. The...
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5213375 |
Quick pipe connector
A pipe connector comprises mainly a main body, a threaded cap, and a rubber washer. It is further provided therein with a circular bowlike curved flange and means to prevent leak. In the process of...
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5209522 |
Anti-extrusion apparatus for an inwardly compressed seal
An anti-extrusion apparatus for a seal sealing on the outside diameter of a conduit. The anti-extrusion device is positioned at each end of the seal and includes a metal ring engaging an end of the...
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5205356 |
Well starter head
A connector for connecting a tubular starter head to a casing of a well allows connection without special tools. The tubular head has an annular recess extending upward from its lower end. The...
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5174376 |
Metal-to-metal annulus packoff for a subsea wellhead system
An all-metal, well annulus packoff assembly for establishing a high pressure, corrosion resistant metal-to-metal seal between a wellhead housing and a casing hanger, including an annular metallic...
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5163722 |
Connection apparatus with ferrule forming structure
An improved apparatus for connecting first and second conduits having first and second bores, respectively to provide communication between the first and second bores which may be used with...
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