Wedge bushing

An annular member to be fitted around a small-diameter pipe has drawing means and pressing members. The drawing means connect the annular member to a large-diameter pipe, and the pressing members to the small-diameter pipe to thereby connect the small-diameter pipe and the large-diameter pipe together.

The present invention relates to a connector for conduits, such as a pipe. Such a connector includes, a body, a ring member, a clamp having jaws and a throat on a pipe engageable by the jaws. Further, an O-ring seal is provided to seal the connector.

A pipe union of the "banjo" type, comprising a body havng a first bore in which is located a quick fitting connecting member adapted to receive the end of a pipe, said first bore opening into a second bore axially substantially perpendicular to said first bore, and a connecting socket located in said...     

This coupling comprises a rotary cylindrical portion which is recessed and an outlet opening whose lower edge is placed level with the lowest point of a surface which is inclined relative to the rotation axis, whereby the said surface is placed adjacent to the axis and the side opposite to the said opening....     

Apparatus for connecting a flexible pipe made of material such as polybutylene to a rigid component of a piping system made of metal or rigid thermoplastic material such as chlorinated polyvinylchloride. The apparatus comprises a compression fitting to which the rigid material can be connected, such...     

Apparatus for connecting a cylindrical first member to a second cooperating member comprising: a tubular housing adapted for connection to the second member and to coaxially receive a portion of the cylindrical first member; a gripping assembly carried by the housing and movable from a radially expanded...     

A pipe coupling suitable in particular for coupling a pipe of plastic material to a fitting or coupling together a pair of such pipes. The pipe coupling comprises an externally threaded sleeve member formed with one or more inwardly directed protrusions and adapted to receive a pipe to be coupled, an...     

An adapter for installing a replacement drain valve in an existing drain comprises a cylindrical valve adapter insertable in the drain. The interior of the adapter is threaded, and the exterior is tapered upwardly. A similarly tapered split ring is disposed between the adapter and the drain. An externally...     

Apparatus for locking together two mutually telescoping tubular members against relative axial movement, the combination comprising; annular bowl means housed within one of the tubular members and including a pair of axially and oppositely tapered annular surfaces; a plurality of gripping elements circumferentially...     

Two embodiments of a hot tap are disclosed. In the first embodiment, a hot tap is formed around a pipeline. It includes an elongate sleeve divided into two semi-cylindrical portions. The two portions preferably bolt together. They divide along two lengthwise edges. In the lowermost half, stationary semicircular...     

A releasable tube coupling wherein the tube is releasably retained in the coupling body by means of a sleeve in said body surrounding said tube and held in clamping engagement therewith by means of a U-shaped clip. The clip extends transversely through the body and engages a pair of cams or ramps on...     

A pipe coupling is provided having a sleeve with frusto conical ends, elastomer gaskets fitting in said frusto conical ends, a follower at each end of the sleeve having a frusto conical opening, a plurality of generally triangular jaws fitting in said opening and tightening means acting on each follower.

A releasable tube coupling wherein the tube is retained in a coupling body by means of a resilient tube clamping sleeve which encircles the tube and has radially outwardly projecting detents thereon engaging radially outwardly extending apertures or recesses in the bore of the coupling body. The sleeve...     

A fitting for the end of a plastic pipe segment includes a body having an open-ended bore in which the pipe segment is received. A wedge-shaped grip ring and annular gasket are fitted over the pipe segment and compresses against an annular shoulder provided in the sidewall of the bore by a compression...     

A pipe coupling is provided having a sleeve with frusto-conical ends, elastomer gaskets fitting in said frusto-conical ends, a follower at each end of the sleeve having a frusto-conical opening, a plurality of generally triangular jaws fitting in said opening, a split, generally cylindrical, ring between...     

A pipe coupling including cooperating male and female threaded elements and the female threaded element has a recess containing a pipe-gripping collar which has cause to contract radially on to the pipe upon tightening of the male element relative to the female element. In order to facilitate storage...     

A variable length coupling device for connecting together first and second flowlines for the passage of fluid therethrough including first and second housing sections having alignable bores. The first housing section is adapted for connection at various angular positions to the first flowline and the...     

This invention relates to a fitting for mounting to the ends of smooth wall tubes. The fitting grips on the outside diameter of the tube, and also seals on its inside diameter, with positive adjustable handle torque action. The counter forces of ID sealing and OD gripping at the same point eliminate...     

Plastic pad at center of concave bevel of each semicircular segment maintains lateral and axial alignment when segments spread apart by pipe. In another special configuration, inside and outside segments are offset semicircles, with a greater dimension across opposed edges when abutting than middle....     

A tube coupling, of the kind having a collet in a bore in a body member, the collet arms having cam surfaces co-operating with an internal surface on the bore so that the collet arms are forced radially inwardly to grip a tube in the collet if the latter is pulled in a direction outwardly of the bore,...     

Coupling apparatus capable of joining first and second conduits in a nonaligned articulated relationship may comprise: a male member having a radially enlarged end portion thereon; a female member into which the male member may be inserted; a seal assembly for sealing between the male and female members;...     

A preassembled tube coupling into which a tube may be inserted and which automatically grips the tube to prevent withdrawal of the tube. The coupling includes a packing ring for sealing the tube, a sleeve with spring fingers to lightly grip the tube upon insertion of the latter, and a nut with a cam...     

There is disclosed a ferrule which is made of plastic material and is initially molded in one piece as a ferrule blank consisting of a thin-walled circular cylindrical shell or sleeve, a radially inwardly-directed transverse annular flange at the inner end of the sleeve, and a part which initially extends...     

Disclosed is a self tightening hose coupling which when applied to a hose comprises a floating sandwich like structure including a floating stem, hose, and tapered wedge segments which operate as a unit and float between a nipple and a compression sleeve. The compression sleeve has a tapered interior...     

An improved fitting for releasably connecting a plastic tube to a fluid logic element includes a ring member and a cooperating collet member. The collet member is generally cylindrical with a rigid collar at each end connected by an elastically deformable body section. A throughbore through the collet...     

A hot tap housing for mounting over a main pipeline located underwater or in another restrictive environment adapted for use with a hot tap machine to connect a branch pipeline to the main pipeline. The hot tap housing includes a central housing section and a lateral housing section. The central housing...     

This invention relates to a fitting for mounting to the ends of smooth wall tubes, particularly smooth wall tubes having a bead on the ends thereof. The fitting both grips and seals the inside diameter of the tube, with positive adjustable handle torque action.

A stab-type coupling and method for connecting an end portion of a smooth wall non-metallic pipe to fittings or other pipes. The coupling is defined by a non-metallic coupling body, a generally elongated hollow insert, annular spacer rings, seal rings, a collet ring, and a retaining collet all disposed...     

A hose coupling having a fixation collar with a tapered inner surface to be joined with a clamp for the coupling in which several jaws in the shape of tapered sectors are engaged in the collar while leaving a clearance between two successive jaws which form a substantially cylindrical surface surrounding...     

Apparatus for connecting a cylindrical first member to a second member which may comprise: a tubular body adapted to receive one end of the first member and for connection to the second member; an annular seal assembly carried by the body and movable from a relaxed position, in which one end of the first...     

A flange compression pipe coupling wherein the end portions of the pipes to be coupled are surrounded by an inner jacket consisting of ductile metallic material. The inner jacket is surrounded by a radially deformable outer jacket which is biased against the exterior of the outer jacket by two flanged...     

A coupling is provided for the repair of flexible conduit, such as garden hose, comprising a body portion having at least one nipple for insertion into the free end of the flexible conduit. A slotted collapsible collet is radially compressed by a retaining nut thereby clamping the conduit between the...     

A quick connectable manually separable fluid conduit coupling includes a tubular male member having a tapered forward portion including a sealable bearing surface, and a radially inwardly directed shoulder adjacent the rearward part of the forward portion and adjoining a recessed circumference. A female...     

A faucet connector includes a nut assembly having a pair of individual sections that form a bore for receiving a pipe-like member, such as the tailpiece of a faucet assembly. A retaining device including a pair of strap-like members surround the nut sections to maintain the nut sections in surrounding...     

A preassembled tube coupling into which a tube may be inserted and which automatically grips the tube to prevent withdrawal of the tube. The coupling includes a packing ring for sealing the tube, a sleeve with spring fingers to lightly grip the tube upon insertion of the latter, and a nut with a cam...     

A pipe fitting including a socket having a bore and an opening communicating with the bore. Means within the bore defining a surface inclined to the axis of the bore. Movable clamping means provided to abut the inclined surface whereby to clamp a pipe upon movement of the pipe outwardly of the bore,...     

A fitting for mounting to the ends of smooth wall tubes, particularly, expanded end tubes and beaded or barbed end tubes. The fitting grips behind the expansion or beaded end on the tube and seals on the tube outer diameter. The fitting also has a pressure assist design that furnishes increased sealing...     

A quick connect fitting for air brake tubing consists of a body member with a tubing support therein and a nut threadedly connected to the body. A split ring gripping sleeve having a conical outer surface cooperates with the conical inner surface of the nut to receive and retain inserted tubing. A ring...     

What is disclosed is an improvement in a tubing clamping apparatus in which a hose carrying a fluid is to be connected in fluid tight relationship with an appliance; such as, a welding torch, pressure regulator or the like; the improvement being characterized by a hose barb sealingly connected at one...     

This is an improved blast joint for subterranean wells which is ideally suited for applications where corrosive compounds such as hydrogen sulfide and carbon dioxide are encountered. The blast joint comprises a plurality of temperature and corrosion resistant hard rings which are in a stacked end face-to-face...     

A pipe coupling comprises a first pipe-encircling member having an outwardly extending peripheral flange, a sealing ring disposed within the first member to provide a seal between the member and a pipe, a second pipe-encircling member having an outwardly extending peripheral flange, a pipe-gripping collar...     

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 hydraulic chuck for engagement of the outside of tubes. A set of ring collets are provided to grip the tube and hold it while the tube is tested, expanded, or otherwise worked on. Seals are provided to prevent fluid flow between the tube and the chuck. A piston is actuated to engage and release the...     

A fitting for mounting to the ends of smooth wall tubes, the fitting having an entry for the tube and a collet which grips on the outside diameter of the tube by means of a mechanical spring. The fitting also seals on the inside diameter of the tube. A passageway extends through the fitting such that...     

The pipe coupling has an annular flange member having a tapered inner surface portion and a plurality of holes therethrough. Bolts project through the holes. A pipe-engageable collet is mounted in the flange member and has a tapered outer surface portion engaged with the tapered inner surface portion....     

A hydraulic chuck haging a piston means with an axially centered fluid passage and a tube seating means on one end thereof. Collet means are provided and are mounted on the piston means such that axial movement of the piston means operates the collet means. The chuck body is slideably mounted on the...     

There is provided a quick-action push-in connector for fluid-carrying tubing. The connector comprises an outer member having fluid passage means and an inner member at least partly accommodatable in the outer member. The inner member has a substantially central passage adapted to admit the tubing and...     

A coupling of the type including a flexible tube, an interiorly threaded nut member apertured to receive the tube, a cooperating exteriorly threaded nipple member, a pair of O-ring seals, and a separate tube-gripping member. The tube-gripping member includes an annular wall portion having an annular...     

A bell-lock mechanical pipeline connector is provided wherein a seal of soft material is wedged into a sealing mode by collet wedge lock fingers which in turn are actuated by a wedging means which is functional upon shearing of a pin.

An improved releasable coupling device for a tube of the type which includes a fitting having a bore communicable with a source of fluid and an opening into the bore through which the tube is to be inserted, a retaining ring in the opening having a plurality of axially extending inwardly biased fingers...     

Apparatus and methods are provided for coupling a body member to a cylindrical member having a radially outward extending shoulder thereon. A coupling includes the body member and an annular seal for sealing between the body member and the cylindrical member. A plurality of collet sections are disposed...     

A novel pipelock comprising a first pair of rings facing each other axially, with the inner diameter of each ring at the outer face being smaller than the inner diameter of each ring at the inner face, each of said first pair of rings comprising at least two circumferential parts, means to restrain longitudinal...     

In a tube coupling of the kind having a collet for gripping a tube within a body member, the collet having arms co-operating with a tapered bore in the body member so that a pull on the tube pulls the collet outwardly and so causes the collet arms to grip the tube more firmly, and wherein the tube can...     

The compressive force which the gripping means of a connector assembly, having a nut portion rotatably securable to a body portion, can exert upon a coaxial cable in limited to a pre-determined value by a frangible torque transmitting section, fracturable at a known shear strength, intermediate the body...     

In a tube coupling of the kind comprising a body member with a bore having an axially tapered portion, a collet having arms extending into said portion of the bore, the tapered portion being such that axially outward movement of the collet arms engaging the tapered portion causes the collet arms to be...     

A coupling apparatus is provided for connection to a cylindrical member. The coupling apparatus includes a body member and an annular seal between the body member and the cylindrical member. A plurality of collet sections are disposed about the body member, and each collet section has a first end connected...     

An arrangement for rapid and simple push-in connection of one end of a hose, pipe or similar element. The outer surface of the end is made of a soft material into which at least one retaining device appertaining to the arrangement can be forced to retain the end inside the arrangement. The arrangement...     

The disclosure relates to tube couplings in which a hollow body (10) has an opening (11) to receive a tube (15) and a collet (32) having resilient arms encircling the tube in the body to grip the tube. An annular cam (22) is mounted in the body and has a tapered internal cam surface (31) engaged by the...     

A connector for engaging non-metallic liquid-tight conduit includes an inner ferrule having a cylindrical portion with an annular rib dimensioned to be inserted into the end of the conduit, and a surrounding sleeve having a conical outer surface and axially extending slots. The sleeve surrounds the conduit...     

The disclosure relates to a tap or valve body (10) having a bore (11) to receive a tube which is locked in the bore by means of a collet form tube coupling (21) and is sealed to the bore by O-ring seals 17, 18. The collet is encircled by a plastics insert sleeve (22) located in a counter-bore (19) at...     

A quick connect coupling assembly includes a socket defined by a stepped bore in a body member, a tubular retainer nut threadingly received in the socket and a plug member carrying an O-ring seal that extends through the retainer nut and into the socket an axial extent whereby the O-ring seal is positioned...     

The disclosure relates to a tube coupling having a hollow tubular body having collet form couplings at either end thereof to receive and lock tubes in the body at either end. The body has an internal annular wall and an inner lines which extends over the wall shoulder and along the body to either side...     

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 connector structure, for coaxial pipe sections having a common liner, and including a pair of flange members, constructed to be drawn together by suitable bolt or other attachment means, which flange members include flange bodies having remote flange ends that are inwardly and downwardly tapered...     

The invention proposes a quick connection which has utility in a wide field, for instance, for connecting fluid lines, electric cables, etc., and comprises an inserted tubular end portion, which is formed near its extreme end with concave recesses serving as detent means, and which is provided with a...     

A combination valve and flanged connector for connecting a metallic or non-metallic pipe directly to the valve body is disclosed. The flanged valve connector includes a radial flange secured on a longitudinal end of the valve body. Secured to the radial flange is a tubular member for receiving the end...     

A stab-type coupling apparatus adapted to receive an associated pipe end in a body thereof and prevent its withdrawal therefrom. The coupling apparatus includes an elongated hollow stiffener received in a coupling body recess and providing internal support for the associated pipe end. A retaining ring...     

The disclosure relates to a quick release tube couplings in which a collet with resilient arms is arranged to co-operate with a tapering cam surface in a member surrounding the collet to force the arms to grip a tube within the collet. The member is formed from two, male and female parts each having...     

A screw coupling which can be applied to surround a cable, a hose, a conduit or a conductor has a nipple with an externally threaded section adjacent an end section with axially parallel prongs whose width decreases in a direction away from the first section toward an end face of the end section. Those...     

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 coupling assembly for mechanically coupling the plain end of a pipe, comprising a pair of standard forged flanges as basic components between which is disposed a wedge ring. One of the flanges is of the slip-on type and has associated with it a conical collet bore for receiving the wedge ring. When...     

This invention pertains to bolted mechanical pipe joints using toothed gripper rings to prevent separation of the pipe.

A fitting arrangement where a fitting body has a collar portion for accommodating an end of an inner plastic tube. The collar portion defines a tapered seat which cooperates with a tapered ferrule which surrounds the tube and which abuts a tapered gripping sleeve which also surrounds the tube. An intermediate...     

A pressure balanced coupling device for quick connection and disconnection with at least one mechanism. The device operates to maintain a sealed flow-through connection between two devices which may also contain a pressurized medium such as refrigerants. The preferred device permits non-destructive gripping...     

A hose fitting for connecting a hydraulic hose to a hydraulic system including an axially inner reduced diameter bore portion and an axially outer enlarged diameter bore portion formed with an inner circumferential groove, comprising: a cylindrical member axially slidable within the enlarged diameter...     

A mechanism for locking a casing in a stationary support has an intermediate element which can move elastically in a receptacle of the support. The receptacle has upper and lower conical flanks. Conical inner grooving of the intermediate element has conical flanks of an angle at the apex greater than...     

A blast joint and related handling apparatus and method for installing the blast joint in a pressurized well, using a snubber unit. The blast joint has a pressure rated protective jacket, a pressure operated ring load compensator, and an adjustable tubing anchor.

The disclosures relates to a tube coupling (10) for a tube (11) having a body (12) with open ended throughway (13) to receive the tube and a collet (21) in the open end of the throughway having resilient arms (23) engaging a tapered cam surface (20) in the body to clamp the ends of the arms against a...     

A hose coupling assembly (10) of the type adapted to secure a hose (12) to a fitting. The assembly (10) includes a hose (12). A coupling member (16) is provided which includes an insert portion (18) for disposition within an opening (14) in the hose (12). An inner collar (28) is positioned about the...     

The disclosure relates to double ended tube coupling (10) having a coupling body (11) with the throughway (12) through which a tube can pass. Collets (16) are located in the open ends of the throughway having resilient arms to engage the tube and tapered internal cam surface (15) are formed adjacent...     

A hose fitting for connecting a hydraulic hose to a hydraulic system including an axially inner reduced diameter bore portion and an axially outer enlarged diameter bore portion formed with an inner circumferential groove, comprising: a cylindrical member axially slidable within the enlarged diameter...     

A restrained pipe joint is provided for affixing the spigot end of a first pipe into the socket end of a second pipe. The pipe joint includes a circular restraining ring and a retainer ring which includes a groove ring and a plurality of locking segments. When the retaining ring is tightened, the retaining...     

A swivelable connector for tubular conduits comprising first and second mutually insertable tubular connector members and a retainer for retaining the second tubular connector member in the first tubular connector member. The retainer comprises engaging members positionable around the second tubular...     

A hose end fitting for sealed connection to a hose, comprising: a first cylindrical member having a reduced diameter bore portion and an enlarged diameter bore portion connected to the reduced diameter bore portion; a second cylindrical member axially slidable within the enlarged diameter bore portion...     

A pipe coupling for the joining of plain end pipe that includes an annular gasket and a compressible lock ring at each end of the coupling between a tubular middle ring and an annular follower. Bolts extending between the opposite followers are effective when tightened to compress both the gasket and...     

A hose fitting for sealed connection to a hose, comprising: a first cylindrical member having a small diameter bore portion and a large diameter bore portion connected to the small diameter bore portion the large diameter bore portion having at its axially outer end an axially outwardly narrowing portion;...     

A hose fitting for sealed connection to a hose, comprising: a first cylindrical member having a small diameter bore portion and a large diameter bore portion connected to the small diameter bore portion; a second cylindrical member axially slidable within the large diameter bore portion and having a...     

A hose fitting comprising a first cylindrical member having a small diameter bore portion and a large diameter bore portion connected to the small diameter bore portion, a second cylindrical member axially slidable within the large diameter bore portion and having a radial flange portion and an axial...     

A connector for connecting tubing to a component in a downhole well completion system in which a sub is provided for connection to the component and a sleeve extends over a portion of the sub to define a mandrel for receiving the tubing. A plurality of locking slips extend in windows provided through...     

A three-part, re-usable coupling for making a sanitary connection to a flexible hose is disclosed which includes a coupling body of corrosion-resistant material having a central channel for laminar flow. At one end of the central bore, the coupling body is provided with a standard sanitary conduit flange-face....     

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 connector includes a seal actuating ring and a slips actuating ring, one of the rings having a recess. A seal...     

A transition coupling for connecting a plastic natural gas supply pipe to a metal service pipe is comprised of substantially plastic components including a tubular non-metallic body and a non-metallic or plastic nut. A plastic nut is threadably connected to the body one at each end thereof for independently...     

An emergency casing hanger can be lowered over casing collars and into a wellhead housing to support a string of casing. The casing hanger has a slip bowl which is slotted so that it can be radially expanded to insert over the casing collar. Slips are carried in the interior of the bowl for gripping...     

A valve construction comprising a molded body including a plurality of body sections each having a generally flat inner surface. The flat surfaces of the body sections are disposed in contiguous relation along an interface. Each surface has a plurality of recesses that mate with complementary recesses...     

A quick connect coupling for connecting a tube to a body having a stepped bore formed therethrough. The coupling includes a sleeve which is press fit in the bore. The inner surface of the sleeve has a cylindrical portion, a radially outwardly extending frusto-conical portion, and an internal shoulder...     

A fastening device in the shape of an outer clamping sleeve member with an internal thread, and an inner clamping sleeve member with an external thread, said clamping sleeve members being mutually rotatable. One or both of the clamping sleeve members may be provided with an axial through slot or may...     

A pipe connector includes an externally threaded connecting tube having an annular flange around the inside wall thereof on the middle, two pipes respectively inserted into the connecting tube and stopped against the annular flange at two opposite ends, two locknuts respectively threaded onto the connecting...     

A syringe tip is connected to a syringe head by an assembly that permits quick detachment and replacement of syringe tips without the use of tools. The assembly is adjustable for permitting or restricting rotation of syringe tip.

A socket joint for ductile cast iron pipes is locked by toothed locking ring inserts 15 and a counter-flange 11. At least one elastic lip 19 is inserted between the locking ring and the rear face of a rigid stop ring which encloses the smooth or male end of the pipe 1.

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 connector includes a seal actuating ring and a slips actuating ring, one of the rings having a recess. A seal...