3619results about "Pipe connection arrangements" patented technology

A plug-type connection arrangement for a hose and a pipe, the connection arrangement comprising a sleeve having an outer wall and an inner wall, wherein the hose is insertable from an end of the sleeve and is clampable in the sleeve, wherein the sleeve has at another end thereof a first annular groove with an open resilient connecting ring which extends over more than 180° and is lockable to the sleeve and the pipe, and a sealing ring for sealing the sleeve relative to the pipe in a connected state of the pipe and the hose, the connecting ring being comprised of a plate spring ring with inwardly directed flanges at both circumferential edges thereof, wherein the flanges of one circumferential edge are engageble in the first annular groove and the flanges of the other circumferential edge are engageable behind a holding rib on the pipe, wherein the sealing ring is mounted in a second annular groove formed by the inner wall of the sleeve and the axially inner wall of the first annular groove, and wherein an end portion of the pipe is insertable into the sleeve.

A first connector includes opposite ball and socket elements having a passageway formed therethrough. The socket element has a cavity formed therein for receiving a ball element of a second hose connector to form a hose assembly. A ring is disposed within the cavity for limiting pivotal movement of a ball element inserted therein to minimize the risk that the connectors, and thereby the hose assembly, will separate.

A first flux-loop inductive coupler element electrically couples with a second flux-loop inductive coupler element. The first flux-loop inductive coupler element comprises a first ring-like core having high magnetic permeability and a conical-section annular first face transverse to the plane of the first core. The first face has a first annular groove separating a first conical-section larger-diameter face and a first conical-section smaller-diameter face. A first coil is wound within the annular groove. The first and second cores form a low-reluctance closed magnetic path around the first coil and a second coil of the second flux-loop inductive coupler element.A first current-loop inductive coupler element electrically couples with a second current-loop inductive coupler element. The first current-loop inductive coupler element has a first high-conductivity, low-permeability shaped belt of a first end of a first pipe joint, a first ring-like core located at the first end, and a first electrically conductive coil wound about the first ring-like core. The first high-conductivity, low-permeability shaped belt partially encloses the first coil. It is shaped to cooperate with the second high-conductivity, low-permeability shaped belt of an adjacent second pipe joint having a second electrically conductive coil and a second high-conductivity, low-permeability shaped belt to create a closed toroidal electrical conducting path. The closed toroidal electrical conducting path encloses the first coil and the second coil when the first and second pipe joints are mated.

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 a distal end to a second fluid-bearing conduit thereby providing fluid communication between the first and second fluid-bearing conduits. The connector includes (a) an internal fitting assembly having a body cavity with (i) a lower segment that defines a lower segment aperture and (ii) an interiorly threaded upper segment, (b) a first member having a first member aperture that traverses its length wherein the first member aperture is configured to accommodate the first fluid-bearing conduit and wherein the first member is positioned in the lower segment of the internal fitting assembly, and (c) a second member having a second member aperture that traverses its length wherein the second member is positioned in the upper segment of the fitting assembly and wherein a lower surface of the second member is in contact with an upper surface of the first member to assert a compressive force onto the first member and wherein the first member aperture and the second member aperture are coaxial.

A pipe fitting for coupling together opposed ends of two plastics pipes by fusion welding, the pipe fitting comprising an annular body having an inner cylindrical surface of plastics material surrounding a cylindrical cavity for receiving opposed ends of two plastics pipes to be coupled together, an electrically conductive coil provided in said inner cylindrical surface and surrounding the cylindrical cavity, the coil having opposed ends, a pair of terminals each connected to a respective end of the coil and provided on the body for connection to a source of controlled electrical power, and an annular reinforcing member disposed in the body and surrounding the coil, the annular reinforcing member having a grooved surface which interfaces the annular body, the grooved surface defining a plurality of axially facing surfaces.

A device used for ventilation includes a ventilation mask that can be connected to a respiratory gas hose. The ventilation mask has a respiratory gas hose coupling that is movably connected by a joint with the base of the ventilation mask. The joint is a ball-and-socket joint, which has an inner part that is shaped like a spherical segment and an outer shell for guiding the inner part. The outer shell is constructed from at least two shell segments that can be connected with each other.

A flexible garden hose having an inner tube member made from elastic material and an outer tube member made from a non-elastic material. The inner tube member is secured to the outer tube member only at an inlet coupler and an outlet coupler. The inlet coupler is constructed to secure to a water supply provided from a conventional household water spigot. The outlet coupler is coupled to a flow restrictor allowing the inner tube member to equalize in pressure with pressurized water received from the water supply. Pressurized water expands the elongated inner tube member longitudinally along a length of the inner tube member and laterally across a width of the inner tube member thereby substantially increasing the length of the hose to an expanded condition wherein the hose contracts to a substantially decreased length when there is a decrease in pressurized water.

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 and slide on a portion with a cylindrical external surface of the tubular body. The axial backward travel of the bushing allows axial engagement of the male connector with a female luer lock connector even without screwing the bushing, and it is provided with a cam front reaction surface with which the bushing interacts to voluntarily produce axial expulsion of the female luer lock connector.

A solution for improved monitoring and control of jobs in grid and batch computing systems provides a centralized server's batch manager which is only responsible for workload balancing and job initiation and completion, all other command and status information are communicated directly between the plurality of submitter's systems and the plurality of client systems that are processing their respective workloads. The computing system and communication process utilizes event-driven peer to peer communications between submitter's systems and client systems and enables more detailed status and control information to be passed without overloading the centralized server, and by avoiding polling also provides more immediate feedback of results. Multiple process threads are employed on both the submitter's and client systems, and a user interface consolidates and displays results to the submitter allow commands to be sent to processes running on client batch systems.

A pipe coupling for connecting pipes having unprofiled end sections includes an elastomeric sealing gasket for holding the unprofiled pipe end sections in a sealed manner. A clamping clip surrounds the sealing gasket. The clamping clip includes a clip strap having a first end and a second end. A first clamping jaw is formed at the first end. A second clamping jaw is formed at the second end. The clamping jaws are drawn together by a tensioning device. The clip strap has radially inwardly directed projecting flanges on each of its axial ends. A first C-shaped clamping ring and a second C-shaped clamping ring are each disposed between the sealing gasket and one of the flanges. Each of the C-shaped clamping rings are supported on a radially inner side of the clip strap. Each of the C-shaped clamping rings have projections projecting from its radially inner face and, when said clip strap is tensioned, the projections of the C-shaped rings engage in the pipe material. The clamping rings are substantially made of plastic and approximately fill the space between the sealing gasket and one of the flanges. The clamping rings may be formed as a single part or from two ring parts. If formed of two parts, the radially inner part may be made of a brass alloy. The projections may be formed as encircling ribs.

Disclosed is a holding device including: a telescopic handle having axially opposed front and rear ends and constructed of at least two separate shafts, of which a front-side separate shaft axially fits within a rear-side separate shaft being a hollow cylinder; and a support member provided at the front end of the telescopic handle for attachment of a cleaning wiper. The front-side separate shaft has an axially extending elastic arm and an engaging projection provided at a leading end of the elastic arm, while the rear-side separate shaft has a through-hole passing through a cylinder wall thereof, in which the engaging projection engages when the front-side separate shaft projects from the rear-side separate shaft by a predetermined length. Pressing the engaging projection, which engages in the through-hole, from outside the rear-side separate shaft permits release of the engaging projection from the through-hole.

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 and slide on a portion with a cylindrical external surface of the tubular body. Cooperating formations disposed between the portion with cylindrical external surface of the tubular body and the bushing are provided to produce during use a perceptible click when the bushing draws near to a fully advanced position of engagement with a female luer lock connector.

A fluid coupling having an outer housing with an internal bore, an O-ring fitted within the bore, a spacer bushing fitted against the O-ring, a gripper ring fitted against the axially outer side of the spacer ring, the gripper ring having axially and radially inwardly protruding circumferentially spaced gripping teeth, the teeth arranged for providing a twist when subjected to simultaneous rearward axial and rotational forces, and an end bushing holding the gripper ring, spacer bushing, and O-ring within the outer housing. A fluid coupling having an outer housing with an internal bore, an O-ring seal fitted within the bore, a spacer bushing fitted against the seal, a first gripper ring fitted against the axially outer side of the spacer ring, a second gripper ring fitted against the O-ring seal, the gripper rings having axially and radially inwardly protruding circumferentially spaced gripping teeth, in one embodiment the teeth arranged for providing a twist when subjected to simultaneous rearward axial and rotational forces, and an end bushing holding the gripper rings, spacer bushing, and O-ring within the outer housing.

An adjustable length joint for high-pressure applications is described that includes rigid inner and outer tubes; both having passages there through. The rigid outer tube has at least one peripheral ring groove within its inner wall. The tubes have threads, which are adapted to adjustably engage with one another securely at a working pressure of at least about 10,000 psi. The rigid inner tube and the rigid outer tube are rotatable to enable adjustable engagement between the threads. The joint also includes an O-ring seated in each of the at least one peripheral ring grooves. When the rigid inner tube and the rigid outer tube are held in a selectable position, the first thread and the second thread overlap a sufficient distance necessary for the first thread and the second thread to withstand the forces exerted by the internal pressure within the joint at the working pressure.

A barb clamp is provided for fluid liquid or gaseous connection to a flexible tube, the flexible tube having an inner bore defined by a predetermined inner diameter for providing a fluid flow path. The barb clamp includes a barb connector having essentially the same predetermined inner diameter and a tapered end insertable into the tube. A sleeve and collet lock over the tubing and barb connector to prevent liquid material entering between the barb and tube. The tapered end of the barb connector terminates at a point so that there is essentially no transition between the inner diameter of the tube and the inner diameter of the barb connector to provide no pressure differential in the tubing between the outside and inside of the barb clamp.

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 annular core member disposed within the locknut, and a plurality of locking members retained in apertures of the core member to be spaced circumferentially apart from each other. Upon tightening rotation of the locknut around the joint body, the internal conical surface of the locknut slidably contacts with the conical surfaces of the locking members so as to press the locking members radially inwardly, to cause the gripping portions of the locking members come into gripping engagement with the outer periphery of the inserted pipe, thereby strongly preventing withdrawal of the pipe from the joint body even when the pipe is made of hard material.

On the surface of a ceramic sinter, at least an external electrode for input, an external electrode for output, and external electrodes for grounding are disposed, and the ceramic sinter includes an inductor electrically connected to the external electrode for input and external electrode for output, and a varistor electrically connected to the external electrode for input and external electrodes for grounding. By connecting the inductor to the signal line of the circuit of an electronic appliance and connecting the varistor between the input side of the signal line and the ground, electrostatic discharge pulses of about 0.5 to 2 nanoseconds can be suppressed efficiently.

A magnetic coupling having two or more elements for providing a conduit. The coupling provides high retention of conduit elements with minimum size magnetic components, while also providing for intentional detachment of the magnetically coupled elements. The coupling is configured to facilitate detachment with applied loads that are substantially less than operational retention force (i.e., breakaway force) of the magnetically coupled elements. The magnetic coupling device includes a connecting male element and a female element and at least one internal conduit integral to at least one of the connecting male and female elements. Magnetic attraction is accomplished via a magnetic circuit where the magnetic circuit includes ferromagnetic material and at least one permanent magnet.

A fixing end-fitting for a flexible tubular pipe, the pipe comprising an inner sealing sheath, a pressure vault comprising a short-pitch helical winding of a metal forming wire, an intermediate sheath and at least a web of tensile long-pitch wound armour wires and an outer sealing sheath. The end-fitting comprises a stepped part capable of sliding into a stepped cylindrical housing of the end-fitting. Two crimping elements sealingly fix the inner sheath and the intermediate sheath. Screws enable the stepped part to be brought closer to and be fixed on the end-fitting. The stepped part and the deformable elements constitute three separate elements, thereby facilitating mounting and providing a better control of tightness.

A plastic barb clamp provides leakproof connection of a flexible tube in a barb fitting. The barb clamp includes a collet and a sleeve. The barb clamp is configured to fit snugly within the tube. The collet is slid over the tube. Annular retainers on the interior surface of the collet fit tightly around the tube and under an expanded portion of the barb fitting. The sleeve is then slid over the collet. As the sleeve moves over the collet, tangs on the collet are pushed radially inwardly into the tube and barb fitting. The exterior surface of the collet has radial projections or expanded diameter portions for locking with the sleeve. The sleeve has an annular projection or a reduced diameter portion on the interior surface of the sleeve to correspond to the exterior surface of the collet to provide a secure lock between the collet and sleeve. To properly orientate the sleeve relative to the collet, the sleeve and collet can be molded as one piece, wherein the sleeve and collet are connected by thin, frangible pieces of plastic.

A flexible garden hose having an inner tube member made from elastic material and an outer tube member made from a non-elastic material. The inner tube member is secured to the outer tube member only at an inlet coupler and an outlet coupler. The inlet coupler is constructed to secure to a water supply provided from a conventional household water spigot. The outlet coupler is coupled to a flow restrictor allowing the inner tube member to equalize in pressure with pressurized water received from the water supply. Pressurized water expands the elongated inner tube member longitudinally along a length of the inner tube member and laterally across a width of the inner tube member thereby substantially increasing the length of the hose to an expanded condition wherein the hose contracts to a substantially decreased length when there is a decrease in pressurized water.

An cylindrical convex portion of which opposite ends are open is integrally formed onto a fuel tank made of RDPE therewith so as to inwardly extend in the fuel tank, to provide an opening thereon. A press-fit portion of a filler hose connecting pipe made of PA as a tubular member is press-fitted in the cylindrical convex portion to connecting the tubular member to the fuel tank. At least one annular projection is provided on the outer peripheral surface of the press-fit portion of the tubular member so as to bite in the inner peripheral surface of the cylindrical connvex portion. A face of the annular projection in direction axially of one end of tubular member is formed so as to extend outwardly and inclinedly with respect to the axial direction of the tubular member form one end toward the other end thereof.

A flexible hose having an inner tube member made from a thermoplastic elastomer material and an outer tube member made from a non-elastic polyester material. The inner tube member is secured to the outer tube member only at an inlet coupler and an outlet coupler. The inlet coupler is constructed to secure to a water supply provided from a conventional household water spigot. The outlet coupler incorporates a flow restrictor allowing the inner tube member to equalize in pressure with pressurized water received from the water supply. Pressurized water expands the elongated inner tube member longitudinally along a length of the inner tube member and laterally across a width of the inner tube member thereby substantially increasing the length of the hose to an expanded condition wherein the hose contracts to a substantially decreased length when there is a decrease in pressurized water.

A conduit for use with a blood pump can have a flared inner surface at an end of the conduit. In some embodiments, the conduit can include a strain relief member such as overmolded silicone. The strain relief member can maintain the profile of the flared inner surface. A conduit with a flared inner surface can be configured for connection to a blood pump via a connector. For example, the conduit can include an anchor member such as flange configured to engage with various components of a connector to connect the conduit to a fitting on a pump or another structure. In some embodiments, the conduit can be configured to connect to a blood conduit connector including a member such as a compression collet and a fitting such as a coupler. The connector can include a bayonet connection to facilitate rapid connection and disconnection of the conduit from a fitting.

A coupling for securing pipe elements together in end-to-end relation is disclosed. The coupling has segments joined end-to-end by adjustable connection members. The segments surround a central space which receives the pipe elements. One or more gripping bodies are captured between the segments. The gripping bodies are arranged opposite to each other. The segments have angularly oriented reaction surfaces on the connection members. The gripping bodies have angularly oriented contact surfaces which interface with the reaction surfaces. When the segments are drawn toward each other by the connection members, interaction between the reaction surfaces and the contact surfaces forces the gripping bodies radially inwardly. Inwardly facing arcuate surfaces on the segments and the gripping bodies engage and retain the pipe elements.

A tube fitting for a tube end has a female threaded member that cooperates with a male threaded member. The female member includes a tube gripping device in the form of a gripping ring or ferrule that is attached to the female member by a frangible web. Upon a partial pull-up the ferrule engages a camming surface on the male threaded member and breaks off or separates from the female threaded member to become a separate piece so that the fitting then functions as a single ferrule tube fitting. Additional features include a steep camming angle on the camming surface to cause the ferrule to grip the tube end with a bite-type action and to form a primary seal between the camming surface and a front end of the separated ferrule. The ferrule front end, and optionally the entire female threaded member including the initially integral tube gripping device, are hardened to have a hardness ratio that is at least about 3.3 times the hardness of the material of the tube end on the Vickers scale.

A pipe clamp that enables two pipes to be loosely connected together in a desired axially-aligned and rotationally-aligned configuration prior to tightening of the clamp. The pipe clamp includes a band having a first end and a second end, and a tightening mechanism connected to the band for drawing the ends of the band together. The pipe clamp further includes a latch having a base portion attached to the band and a clip portion that snaps over a button welded to the pipe to temporarily hold the clamp in place on the pipe. In some embodiments the pipe clamp is connected to both pipes via an attached clip and buttons at each axial end of the clamp, and in other embodiments the clamp is welded to one pipe and the clip and button then being used to loosely connect the welded assembly to the other pipe.