EQUIVALENTS

An improvement in mining tools of the rotary and replaceable type which includes a retainer in the form of a double ball spring detent to provide axial retention, easy removability, and to permit ready rotation of the tool in a collet while preventing the build up and impaction of dust which will inhibit...     

A hydraulic hose having a core tube, a layer of reinforcing material disposed about the core tube and a protective sheath about the reinforcing material is provided with a coupling member on one end thereof having a nipple inserted in the core tube and a shell disposed about the sheath of the hose. The...     

A coupling of heat recoverable metallic material for joining tubular members and other cylindrical substrates. The couplings include a hollow member having at least one opening for receipt of a tube. This hollow member is designed to eliminate relative motion between the ends of the member and the tubing...     

A method and coupling for severing and rejoining sealed tubing without the loss of the seal especially adapted to the installation of charged refrigerant lines into the refrigerator cabinetry. The method includes the crimping of the tubing wall at the point to be severed, sealing of the crimped tube...     

A hose joint, for mainly used in a vehicle for taking out negative pressure from the intake manifold, provided with a hose attaching portion, a threadedly attachable portion, and a cooling portion with at least one cooling fin for radiating heat from a heat source such as the intake manifold, so as to...     

A coupling for connecting the ends of medical apparatus tubes. The coupling has male and female conical mating elements on first and second end pieces. Each end piece is adapted to receive the end of a tube. The end pieces are locked together to prevent unintentional separation. Locking is achieved by...     

In a device for interconnecting respective ends of two conduits a male connecting piece (2) is fixed on the end of one of conduits and provided on its outer periphery with annular ridges (4), while a female connecting piece is fixed to the end of the other conduit and comprises, in succession, as viewed...     

A coupling device for pipelines, such as offshore oil or gas lines, comprises a casing having at least one opening for the introduction of the end of a pipe section and an internal frusto-conical wall surface around said opening and diverging away therefrom, said surface constituting a seat for a spherical...     

A pipe joint wherein an annular connecting resin body in contact and engagement with the outer periphery of one end of at least one pipe is used for connecting the end of the pipe to one end of another pipe. The joint comprises a device for reinforcing the bond between said one pipe and the connecting...     

A coupling for fluidly connecting flexible tubing includes a rigid connector and an elastic retaining sleeve. The rigid connector has a main portion and a first and preferably second male end portions projecting therefrom with a fluid passage disposed within the male end portions and the main portion...     

A tubular conduit assembly for conveying a pressurized fluid is described which includes a plastic inner tube for conveying the pressurized fluid, and a flexible metal outer tube disposed coaxially around the inner tube. The outer tube is constructed from a plurality of interlocking, generally channel-shaped...     

The invention relates to a tube coupling for connecting a tube portion of synthetic resin to another conduit element with resistance to tensile stress in such a way that said tube portion is firmly held to resist high tensile forces due to shrinkage of the tube conduits or other high tensile forces on...     

A pipe connection in which pipe ends are provided with lips or flarings within the area of the joint edges and which includes a clamping ring having a U-shaped profile at the inner surface which is adapted to be tightened radially inwardly; the inner end faces of the clamping ring and/or the end faces...     

A pipe connection in which pipe ends are provided with lips or flarings within the area of the joint edges and which includes a clamping ring having a U-shaped profile at the inner surface which is adapted to be tightened radially inwardly; the inner end faces of the clamping ring and/or the end faces...     

A connector for firmly engaging the exterior annular ribs on non-metallic conduit includes a tubular sleeve with a stop wall at one end, the stop wall having an opening therethrough. Several latch tabs are formed in the side wall of the sleeve, the tabs being inclined inwardly so that the ends of them...     

Universal fittings are each characterized by at least one connecting port having stepped internal sleeves of decreasing diameter for receiving and joining or capping plastic or metal pipe of various corresponding diameter. The universal fittings are each capable of connecting or capping pipe of varying...     

A pipe joint for thin-walled tubes (13, 14) is provided for transmission of water. The pipe joint includes a male portion (11) and a female portion (12) both of which having pressure cut threads (18, 21). At mounting thereof these portions (11, 12) are threadably engaged so that a seal ring (25) received...     

An electroweld fitting or electroweld collar for synthetic resin pipes comprising a body of a thermoplastic and/or weldable synthetic resin, on the inner surface of which a heating coil is arranged. In order to weld an electric current is conducted to the heating coil, whereby the material of the body...     

A pipe joint coupling member for deep well pipe strings has a female thread with a slightly longer pitch than the standard API thread of the pipe end. The differences in pitch is predetermined so as to equal the elastic elongation of the pipe end threads due to loading of the made up joints when suspended...     

Rings of shape memory metal are deformed to be insertable between coaxial and overlapping surfaces of a conduit and a coupler so that upon heating above their transition temperature, the rings attempt to return to their undeformed shape and seal the opening between the two surfaces; the sealing rings...     

An improved coupling for connecting a pipe joint and a metal pipe which has a relatively small diameter not exceeding about 30 mm and a wall thickness not exceeding about 2 mm is offered. The coupling is often used to form a pipeline for supplying oil, air, etc. to an automobile, machine or apparatus,...     

A telescopic swivel pipe joint for coupling a pair of axially spaced pipes each having a connection end comprising a pair of joint connectors each connected to the connection end of a corresponding pipe and having a spherical bearing surface, a pair of main joint tubes each having a cylindrical portion...     

Disclosed is a sealing ring comprising a molded elastomer ring having an inner ring contained therein which forms a pipe joint between two abutted pipe ends. Each of the pipe ends includes a recessed part, a flange or the like, which can be clamped together, for example, by means of a screw, and each...     

A pipe and flange assembly including a flange having a front surface and a rear surface, the flange having a substantially cylindrical aperture therethrough, the front surface of the flange being substantially planar, the rear surface of the flange having a cylindrical recessed portion therein for receipt...     

Described herein are composite devices comprising two members. The first member is a heat recoverable driving member and the second is a metallic member associated with the first in such a way that upon heat recovery of the driver, the second member is dimensionally altered to engage a substrate. In...     

The invention relates to a connecting piece for connecting tubular members such as hoses, pipes, or other structural parts, carrying fluids with each other. A clamping part is available which has two half shell-shaped clamping halves with one clamping surface curved in accordance with the outer circumference...     

A pipe joint for connecting two pipes to each other has a joint member to which one of the pipes is fixed and provided with a bore formed therein, a socket member fixed to the outer peripheral surface of the joint member and provided at its one end with a flange having an opening and also with an annular...     

A two-part type cable insert nozzle has spherical seats formed on a female die and a male die. An automatic restoring member restores the female die to coaxial alignment with the male die. The automatic restoring member may include a pressing element surrounding the male die between a nozzle holder for...     

An improved flexible pipe connector for interconnecting in sealing relationship two pipe or tube sections comprising a deformable resilient hollow connector portion having a first tubular end portion sealingly engageable with an end of a first pipe or tube section, a second tubular end portion connectable...     

A coupling assembly for hoses, fabricated of plastic and comprising one-piece male and multi-piece snap together female coupling sections. The male section includes an externally threaded fitting and an integral hub adapted to fit over the end of a hose section, the hub having internal circumferential...     

A structure comprising two interconnected metal tubes used for supplying oil or air. The first tube inserted in the second tube has a tubular wall at its one end and an outwardly swelling circumferential wall formed inside the tubular wall. The second tube has plural slots arranged circumferentially....     

A pressure cylinder, such as a master cylinder or wheel cylinder for an hydraulic vehicle braking system has a plastic molded body within which a threaded insert is engaged and restrained rotationally and axially. A seal is positioned within the body between surfaces of the insert and body. The insert...     

A double-walled pipeline system for flow media with an inner pipeline conduit including fittings, such as, T-pieces, angles, or bends, and instruments, such as, valves, stopcocks, etc., and with an outer pipeline conduit arranged concentrically to the inner pipeline conduit. The outer pipeline conduit...     

A flexible winding hose coupling apparatus is provided which allows for the rapid coupling of a flexible hose thereinto. The coupling can then be attached to another hose or to a pipe fitting or tap. The coupling has first and second coupling members with the first coupling member having a hollow tapered...     

A connector for connecting end-to-end two spiral-wound sheet metal air ducts. The connector is an annular structure with opposite end segments, each of which presents an annular recess or groove which is open at its outer end and closed at its inner end and filled with sealing mastic there. The dimension...     

The invention relates to a releasable coupling between a male element and a female element. The coupling comprises a split clamp ring that is ranged to be received in corresponding annular recesses in the male element and female element, whereby the ring shall have one wedge surface to engage with a...     

In a hose fitting fixing construction according to this invention, an engagement member having restoring force of gravity or elastic force is disposed in an engagement space of a bracket. The engagement member engages with an engagement dent of a hose fitting flange inserted into the engagement space,...     

In a vibro-isolating joint including two rigid flanges, a flexible cylindrical member such as bellows interposed between the flanges and a plurality of limiting bolts extended through opposed through holes in the flanges, a cylindrical elastomer body is retained in each of through holes in at least one...     

A conduit fitting for use in conduit systems having attachment structure at each end which is galvanically isolated from each other to prevent galvanic corrosion and deterioration. The fitting components are assembled to constitute a unit to facilitate handling and inventory.

A faucet adapter for flushing paint from portable painting equipment tubing has a first end formed of an elastomer with an internal conical recess for coupling to one of a plurality of faaucet nozzles having varying diameters and a second end having a pair of hollow external conical projections of differing...     

A multi-passage tube coupling for coupling a plurality of parallel or concentric tubes or tube passages of a multi-passage tube for supplying a fluid to actuators. The coupling comprises a body and a coupling member, the body having as many passages or holes as the number of the tubes or tube passages...     

A quick disconnect coupling having a socket and a plug. In one embodiment, the plug has an outwardly projecting ring at its end that is captured behind a plurality of pins or an inwardly stepped shoulder formed in the socket in order to prevent the plug from being withdrawn from the socket. The plug...     

Fitted coupling device, formed by two components, for connection to a flexible tube, having a female component and a male component on which said flexible tube is attached by thermal contraction of an external ring. The coupling device has an elastomer O-ring which is gradually compressed between two...     

A preformed coupler for connecting plastic pipe to metal pipe comprises a convoluted tubular metal sleeve, a plastic tube extending part way into the metal sleeve, an annular gasket, and a retention means. The annular gasket, which encircles a portion of the plastic pipe, is compressed against the plastic...     

A coupling device for fluid conduits comprising a tubular male member and female sleeve member, each having a hose end and a coupling end, the coupling ends being adapted to couple the members to form a fluid-tight joint, a shoulder on the male member intermediate its ends, the members having aurbaces...     

A device for jointing or closing pipe ends and comprising a single or double-ended rigid or semi-rigid tubular body (10) adapted to retain and protect a single or double-ended elastomeric sleeve (12) with a resilient annular collar (13) protruding from the body at the or each end. The sleeve (12) surrounds...     

A water meter service coupling facilitates removal and/or replacement of a water meter by allowing for expansion of the water service line upon disconnection of the water meter. One embodiment of the water meter service coupling includes a housing having first and second ends, an expansion piston having...     

A device is suggested for the interchangeable connection of a projecting arm section (1) to an arm (2) of an internal treatment station for can bodies. The device comprises a locking member (8), by means of which the arm section (1), such as a spray arm, for example, is detachably mounted to the arm...     

One or more rigid sealing segments are attached to pipe end sections and the assembly lined to form a fluid-resistant joint. A segment surface forms the primary sealing interface of lined pipe sections without the need for a conventional removable liner edge seal. The lining process and configuration...     

The present invention comprises couplings which require no adhesives or cold welding or similar techniques for joining lengths of pipe of any known composition. The couplings, in their various shapes, are molded from Ultra High Molecular Weight Polyethylene (UHMWP). Within each end of each coupling form...     

A quick disconnect coupling having a socket and a plug. In one embodiment, the plug has an outwardly projecting ring at its end that is captured behind a plurality of pins of an inwardly stepped shoulder formed in the socket in order to prevent the plug from being withdrawn from the socket. The plug...     

A connector used in connecting a resin tube and a metallic pipe of comparatively small diameter comprises a connector body and a plurality of elastic pawl members. The connector body is formed with a large-diameter chamber. The peripheral wall of the chamber has a plurality of lock holes distributed...     

A rapid coupling arrangement, especially for engine blocks of internal combustion engines in which all bores in the engine block are non-threaded bores which can be made in a single operation. The coupling arrangement further includes a bushing member which assists in retaining a spring member that can...     

A pipe joint comprises a cylindrical main body 1 with both ends open, at least one of which is to be a pipe insertion port 10, a slender slidable cylinder 2 coaxially installed in the main body 1 so as to slide therein freely to and fro in a certain range, its free end facing the pipe insertion port...     

A tee shaped fitting for connecting together porous and non-porous irrigation tubing and also threaded garden hose as desired in which the three openings each have exterior male threads to engage the hose and interior compression rings to engage the tubing. The fitting is closable at one or more openings...     

The invention relates to a pipe connection in which an intermediate ring which is provided on its end faces with sealing lips is inserted between the widened pipe ends and clamping means are provided which brace the widened pipe ends and the intermediate ring together in a force-locking manner, the sealing...     

There is disclosed a compact and durable connector for connecting a thin tube or pipe which is used as a passage for supplying oil or air to an automobile or machine and whose diameter is less than about 20 mm. The tube has an outwardly swelling annular wall. The connector comprises a connector body...     

A connector includes a first member and a second member. The first member includes a conduit having a ring-shaped projection formed at a rear end and a tubular body having first engagers and second engagers. The second member has a tubular shape, and includes third engagers and a presser formed adjacent...     

A bonded ceramic structure is fabricated by inserting a plurality of ceramic tubular members respectively in holes formed in a perforated ceramic plate member and bonding the same to the perforated ceramic plate. A clearance is formed between the outer circumference of the tubular member or that of a...     

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 joining the connector with a pipe, the connection head is made to engage securely with pipe by means of...     

A pipe coupler comprises a socket body having locking-ball receiving holes for receiving locking balls, a sleeve axially slidable on the socket body and a plug having an engaging groove for receiving the locking balls. The plug is detachably connected to the socket body due to operation of the sleeve....     

A connector assembly for resiliently actuated coupling of a first component of cylindrical configuration to a second component with a cylindrical recess utilizes a pair of interfitting inner and outer annular ring elements having first and second axial ends and axially extending overlying body portions....     

A shrouded tubing interface for quickly connecting, disconnecting and avoiding contamination of first and second fluid flow lines comprising male and female connectors, each of which are connected to a respective one of the fluid flow lines. The male connector includes a first tubular portion defining...     

A thin pipe connecting joint comprises: a joint body including retaining walls bent individually from the two end portions thereof, and an assembly hole extending through the axis thereof; and a pair of pipes including engagement walls formed at their end portions to be connected and adapted to be brought...     

A metal fitting (11) for an end of a plain length of pipe (12) comprises a body (13) with flange means (14) adjacent a first end (15), a gland ring (16) adjacent the other end (17) of the body, a grip ring (18) between the body (13) and the gland ring (16), and screw fasteners (19) for urging the gland...     

A fluid coupling provides a cap nut having an internal screw formed inside, a pipe having a mirror-finished surface formed at an end face and a groove in an outer periphery, a device for preventing rotation of the pipe together with the cap nut, in contact with the inner end face of the cap nut, a ferrule...     

This pipe system has a pressurized feed conduit and an outflow conduit for a hydraulic fluid. It furthermore has parts (6, 8, 10) for connection to a hydraulically actuable device. The intention is to create a pipe system which is improved as regards safety of operation and fire protection and has a...     

A pipe fitting or coupling is used for connecting at least two pipes. The pipe fitting is basically formed of a coupling main body and a slit ring integrally formed together. The coupling main body is formed of an inner layer of good heat resisting property, an intermediate layer containing glass fibers,...     

The invention refers to a process and an arrangement to connect and seal tubes (2, 4) made of glass, metal or ceramic materials, that are joined to form flue-gas pipes. The sealing system according to the invention is distinguished by the fact that it can be used for exhaust gas pipes as well as for...     

A rubber hose is coupled to a metal tube by a connector having an inner tubular component which is fixed within an internally threaded sleeve and which telescopes into the end portion of the hose. An externally threaded sleeve is rotatable on the end portion of the hose and, when tightened into the internally...     

A connection of first and second members wherein each has a body and a connecting end with an inner surface so the second connecting end has an outer surface shaped for telescoping into the inner surface of the first connecting end. A shoulder is located on the second member and a groove is in the outer...     

A tube coupling comprising a coupling body having a throughway open at one end to receive an end part of a tube, sealing elements in the throughway to form a sealing engagement with the end part of the tube located in the throughway, a locking device in the form of a collet engageable with an annular...     

A fluid-tight coupling and sealing arrangement including a flexible joint for coupling a tube with pressurized fluid flowing therethrough to another tube or a fluid device. The flexible joint basically includes a first tubular member with an outer restraining member coupled thereto, a second tubular...     

The present invention relates to an improved hydraulic coupling which forms contact seals to fluidly connect a tapered port with a tube having a threaded connecting portion. The contact seals may be metal-to-metal seals, or alternatively may include a resin polymer element. For connecting a tube directly...     

An automatic disconnecting device is provided for hoses containing pressurized gas or liquids. The disconnecting device is activated upon user application of excessive lateral tension to the hose resulting in lateral displacement of the automatic disconnecting device resulting in release of the hose...     

A coupling for connecting a pair of pipe ends together. The inventive device includes a main body having a mounting aperture for securing to a first pipe end and a hollow interior which receives a telescoping tube therewithin. A seal is releasably positioned within a circumferential seal mounting groove...     

One embodiment of the invention provides a joining element for joining a tube with a port. The joining element comprises a seal having a bore for accepting the tube, a nut and a ferrule. The ferrule has a bore for accepting the seal and the tube, a retaining member which retains the tube with the ferrule...     

A flexible metal piping assembly includes a body with corrugations having spiral (helical) or annular configurations. End connections are mounted on the body ends, which can be flanged or male-threaded. A layer of insulating or sealing material can be applied over the body. The end connections can be...     

A hose coupling device includes a pipe which has a pipe sleeve portion formed at one end thereof and a hose connecting portion formed at the other end thereof, and fixing means which is set to the pipe in the vicinity of the pipe sleeve portion and is capable of positioning and fixing the pipe sleeve...     

A cord grip in which two screw fittings provide a variable volume chamber for compressing a flexible soft durometer grommet held within a flexible annular cord gripping member. The cord gripping member is of a harder durometer than the grommet and has a plurality of fingers for gripping the cord. The...     

A wedge assembly restraint, featuring clip stops and a flexible, resilient retainer clip, for restraining a wedge assembly in the clamping block of a pipe junction holder.

A coupling is provided which is particularly suitable for refrigeration service and air conditioning systems. The coupling includes a body portion, an adapter portion, a collar and a gasket. The body and adapter portions are connected to two conduits or the like containing fluid therein. The adapter...     

An improved connector apparatus for medical tubing includes a connector body, a tubing connector, a press ring or collar, and an articulating body/collar linkage. The body can be made as a male, female, or any other type of fitting or connector.

A pipe connecting structure is provided to mutually join tubes, and includes a pair of flanges formed at end surfaces of a pair of pipes to be connected so as to be opposed to one another, a back-up ring interposed between the pair of flanges, a projection of the back-up ring into which the pair of flanges...     

The disclosure relates to a tube coupling having a coupling body with a throughway open at one end to receive a tube and an open ended housing on the body projecting from one end through which a tube may extend into the throughway in the body. A collet is located in the housing having an annular part...     

A tube and fitting assembly is made by the method of relatively moving a tube into an internal bore in a fitting with the internal bore extending end-to-end in the fitting, longitudinally compressing the tube to radially expand it into engagement with the wall of the internal bore, internally threading...     

A separation preventive pipe joint is provided. A locking ring provided on an inner periphery of a socket is engaged with a projection formed on an outer periphery of an end portion of a spigot to prevent the spigot from being separated from the socket. When the spigot is to move deeper in the socket,...     

The pipe 1 includes in one end portion thereof a metal cap portion 2 on which an O-ring 5 can be mounted, and a connecting portion 6 in the other end portion. A delivery pipe 9 includes a communication hole having an undercut shape and an engaging recessed portion 21. A fixing clip 21 including a mounting...     

A new fluid coupling assembly includes first and second split connection members positioned over a coupling member or gland of a fluid system. A body member is threadedly received over one end of the split connection members to define a split female nut member. A second threaded region of the body member...     

A coupling apparatus includes first and second coupling members each having the form of a hollow conduit having a radially extending flange at a first end, an axially extending sleeve defining a second end adapted to connect with a fluid transport fitting, and a fluid transport passageway running axially...     

A coupling apparatus is constituted by a pair of couplers. The pair of couplers have substantially the same structure and are complementary to each other. A cylindrical body of each coupler has at least a pair of locking pieces projecting in an axial direction and locking pieces engageable with the locking...     

An apparatus for fixing a male and female couplings which are fitted with each other. A fixing device includes a first and second fixing member of a substantially semicircular cylindrical shape. A hinge device is provided for rotating the first and second fixing members between an opened condition and...     

A tubular joint including at least a pair of connection ports having an inner diameter substantially equivalent to an outer diameter of tubes to be connected, and a tubular connection part connecting the connection ports to each other. The connection ports each have a sealing member formed integrally...     

A one-piece saddle tee for installation on a fluid line such as an irrigation line. The saddle tee has a clamp includes a pair of opposing clamp segments having upper, lower and intermediate portions with at least one of the segments being hinged along its intermediate portion to one end of the base....     

A connector assembly is provided for connecting two pipes of dissimilar material. In particular, an assembly is provided for connecting a first end portion of a first pipe to a second end portion of a second pipe formed as a bell housing having a larger inside diameter than an outside diameter of the...     

A tube and fitting assembly for pressurized fluids is provided which may provide a fluid-tight seal up to the bursting pressure of the tube at relatively high temperatures. The tube and fitting assembly includes a malleable tube and a fitting having a first portion forming an external surface, a second...     

A coupling member includes a ring is formed with a predetermined draft angle. A gasket is provided for creating a seal between the ring and the end grooves of the conduit. The gasket comprises first and second walls which define an interior cavity for receiving the ring. The first and second walls have...     

A hose coupling device includes a pipe which has a pipe sleeve portion formed at one end thereof and a hose connecting portion formed at the other end thereof, and fixing means which is set to the pipe in the vicinity of the pipe sleeve portion and is capable of positioning and fixing the pipe sleeve...     

A threadless coupling for pressurized systems includes, in one form, a nut member and a mating member. The nut member, in one embodiment, has a first axial end for attachment to the pressure sensitive control, a second axial end configured for engagement with the mating member, and a housing extending...     

A quick connect fluid coupling (20) includes an attachment clip (30) for securing a female connector member (22) and a tube member (26) to each other. The attachment clip (30) has a central portion (32) including an opening (34) that receives one of the members and engages an attachment surface (48)...