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7571937 |
Fluid coupling assembly with integral retention mechanism
The fluid coupling assembly for retaining a sealed joint includes the first member adapted to be connected to a first fluid conduit with a per sealing surface and a series of axially aligned...
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7431342 |
Threaded connection
The invention relates to a connection for fastening a tool or a tool adapter to an extension device. The connection includes a threaded stud, a threaded bush and a mechanism for locking the...
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7331612 |
Low profile tension style flexible joint
A low profile tension style flexible joint for pneumatic ducting may be useful as, for example, a joint for aircraft engine pneumatic ducting. The joint of the present invention may be used at both...
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7252150 |
Downhole tool
A downhole tool including a selectively releasable joint, a downhole drilling assembly including the downhole tool, and a corresponding method. In one embodiment of the invention, a downhole...
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7226088 |
Banjo fitting
A banjo fitting is disclosed comprising a block, a stud, a saddle washer pair and a cap. The saddle washer pair is bent so as to partially surround and clip onto the block. In this manner the block...
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7156424 |
Coupling assembly with retention mechanism
A coupling assembly includes a female fitting assembly comprising a tube body having a nut that is axially and rotatably movable relative to the tube body, and a generally U-shape spring fixedly...
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7100946 |
Bulkhead assembly for use in pipe-in-pipe systems
A bulkhead assembly for a pipe-in-pipe system includes coxially inner and outer components which are screwed together along a first threaded portion and a locking device which includes a locking...
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7032931 |
Nut locking apparatus
A locking tubing system includes a length of tubing lying in any geometric complexity including a substantially straight line and a first fitting body having a securing member rotationally locked...
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7022934 |
Connecting adapter for weld electrode
An electrically and thermally conductive adapter for connecting a weld electrode to a tip holder portion of a welding device. The adapter has a first, threaded end, for removable engagement with a...
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6981547 |
Wire lock expandable connection
The present invention generally relates to a connector arrangement for connecting a first tubular to a second tubular. In particular, the present invention relates to methods and apparatus for...
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6948698 |
Valve for pressurized canister
A valve for a pressurized canister includes a housing having a central aperture extending therethrough, a first set of external threads, and a second set of external threads. A sealing member is...
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6945566 |
High-pressure connection device
A high-pressure connection device with a housing having a receiving opening into which an inlet conduit discharges. A pressure tube connector stub discharges on one end into an end face of the...
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6923162 |
Securing sleeve for a fuel injection system
A fuel-injection system for injecting fuel into an internal combustion engine, having at least one fuel injector and a fuel-distributor line, is provided for each fuel injector with a connecting...
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6916248 |
Flexible coupling
Flexible couplings are provided comprising a male member disposed within a female member in a spaced apart configuration, with the space being filled, at least partially, with an elastically...
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6908121 |
Locking arrangement for a threaded connector
A connector arrangement used for connecting and locking tubular members. The connector consists of two tubular members and a coupling member. The tubular members are threaded together to create a...
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6905142 |
Hydraulic coupling
An improved hydraulic coupling includes a fitting and a nut that are threadably connectable together. The fitting includes a generally annular groove having a lateral frusto-conic engagement...
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6893056 |
Male luer lock connector for medical fluid lines
A male luer lock connector for medical fluid lines comprising an elongated tubular body having an end portion with external luer cone and an internally threaded bushing mounted so that it can turn...
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6860514 |
Drill string joint
A joint connecting a pair of members rotatable about a common axis end to end includes a first member having a threaded end portion and a non-circular exterior surface rearwardly of the threaded...
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6857665 |
Lockwireless anti-rotation fitting
A lockwireless, anti-rotation fitting for connection to a connector. The fitting includes a coupler having a series of circumferential engagement portions disposed about an outer peripheral...
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6834889 |
Torque release coupling for use in drill strings
This invention relates to a torque release coupling for use in drill strings comprising an outer string part ( 1 ) rotatably mounted outside a radially inner string part ( 2 ), and a rotation lock...
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6824170 |
Self-locking coupling device
A self-locking coupling device for coupling to a fitting having a radially outwardly facing groove using a coupling body with a central bore and an axially extending collar having a throughbore...
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6755447 |
Production riser connector
A pipe connector has a rigid seal/support ring mounted on its pin. The pin has a nose and external threads extending rearward from the nose. The rigid seal/support ring is fixedly mounted on an...
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6722705 |
Medical tubing connector
A medical connector, usable to securely couple a first tubular medical device to a second tubular medical device, includes first and second fittings cooperating with the first and second medical...
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6709020 |
Stabilizer elbow lock
A stabilizer elbow lock that prevents a seal between a stabilizer elbow and a coupler valve from being broken by engaging at least a portion of the stabilizer elbow and by engaging at least a...
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6705648 |
Pipe joint
A pipe joint comprising: a pin having a tapered male screw section formed on an outer circumferential face of an end of a pipe; a box having a tapered female screw section, which can be screwed to...
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6692036 |
Universal interlocking fitting
Fittings of this invention comprise a body having a substantially hollow transport passage extending between a body first end and a body second end. The fitting body ends are adapted to accommodate...
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6688651 |
Device for locking cap nut for coupling
A device for locking a cap nut for a coupling includes a hooking plate 100 extended out of the body 50 connected to the metallic connecting pipe 21, a plurality of hooking protrusions 110 ...
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6652006 |
Fluid transfer device
A fluid transfer device includes a first section and a second section. The first section includes a first flange with a first fastener on an outer diameter of the adapter. The fluid transfer device...
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6619696 |
Expandable locking thread joint
A thread for expandable downhole tubular connections is disclosed. It features a locking pattern on the pin and box, which engages upon expansion of the connection. The locking pattern compensates...
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6619392 |
Blast joint assembly
Blast joint assemblies are used for integral prevention of erosion of a production string crossing a production zone and simultaneous protection of hydraulic, electric and/or optical lines which...
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6607220 |
Radially expandable tubular connection
A radially expandable tubular connection including a box member having an internal thread and a first seal surface and a pin member having an external thread and a second seal surface. The external...
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6588315 |
Ram device
A ram device has a cylindrical housing ( 10 ) in which is arranged a pressure medium actuated impact piston and a control unit for controlling the pressure medium flow into the housing ( 10 ) and...
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6581981 |
Pipe-fitting with flexible sleeve and cinching nut
A female fitting for pipes or tubes, particularly indicated for use in cramped quarters and under highly restrictive environmental conditions, has a split front section threaded with tapered...
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6578876 |
Plumbing connection and disconnection system and method
An adapter and coupler assembly has two externally threaded adapters, one left-hand threaded and the other right-hand threaded, and an internally threaded coupler, one end left-hand threaded, the...
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6550814 |
High-pressure pipe element consisting of hooped tube sections
A high-pressure pipe element having hooped tube sections for making lines referred to as kill lines and choke lines that equip oil drilling installations, notably offshore. The element includes...
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6494495 |
Locked connection
A locked connection comprises a circular groove around a pin or inside member. A box or outside member provides a series of passages tangential to the groove in a made up position of the box and...
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6478343 |
Self-locking coupling device
The invention is directed to self-locking coupling devices which are suitable for connecting conduits, pneumatic line segments, hydraulic line segments, fuel line segments or other fluid line...
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6460898 |
Universal pipe joint
A universal pipe joint for attaching two round pipes together accommodating misalignment using a female adapter fitting ( 30 ) engaging a male adapter fitting ( 44 ), each having a radial interior...
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6442793 |
Handle and exhaust duct coupling assemblies for floor care machines
Handle and exhaust duct coupling assemblies for floor care machines are disclosed. In one embodiment, an exhaust duct coupling assembly includes a first duct having an outer surface with an...
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6439616 |
Anti-rotation retainer for a conduit
A retainer for non-rotatably retaining a conduit member that extends through an opening in a casing wall. The retainer has an annular top wall that includes an inner periphery having inwardly...
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6412820 |
Secured coupling assembly and method of preventing loosening
A coupling assembly includes a first coupling member, a second coupling member, and a coupling nut disposed over a portion of the second coupling member and threadingly engaging the first coupling...
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6406064 |
Positive locking device for reactor instrumentation protection sleeve assembly
A locking device for a reactor instrumentation protective sleeve and reactor instrumentation column assembly. The locking device includes a protective sleeve coupled to the instrumentation column...
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6368135 |
Coupling device for interconnecting slender members
A coupling device for interconnecting first and second slender members includes a positioning sleeve sleeved on one end of the first slender member and having a radial outward stop flange and a...
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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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6322109 |
Expandable tubing connector for expandable tubing
A tubing connector for joining the ends of two lengths of expandable tubing including two expandable tubular portions for mounting on the ends of the lengths of expandable tubing. Each portion...
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6300569 |
90° sealing nut
A fitting for retaining an electric cord having a generally cylindrical conduit body with a central bore is threaded at first and second ends thereof. The first end of the body has a plurality of...
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6293595 |
Anti-rotation locking units, and apparatus equipped therewith
An anti-rotation locking unit includes a support member having a mounting portion, a lock-support portion and first engagement part; a locking member having a bearing portion movably supported by...
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6276884 |
Sealed threaded pairing of two threaded parts with sealing compound therebetween
The invention relates to a threaded pairing, consisting of the assigned threaded parts, for the transmission of axial forces, where the screw thread (5) is filled with the sealing compound (6). The...
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6275556 |
Method and apparatus for preventing relative rotation of tube members in a control rod drive mechanism
A control rod drive mechanism includes a first tubular member having a first threaded portion and a first generally cylindrical outer surface, the first tubular member including a first plurality...
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6139068 |
Union lock for maintaining connection between two conduits
A union lock for maintaining a union between two conduits is disclosed. In a first embodiment, the union lock includes a pair of bridgepieces. Each of the bridgepieces includes an elongated member....
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