With end structure

A vent structure for reliable long term operation at high temperatures is fabricated by annealing a tubing of predetermined length and size, filling the tubing with fine alumina particles, flattening and coiling and pressing an upper portion of the tubing at predetermined pressures, annealing the formed...     

A vent structure for reliable long term operation at high temperatures is fabricated by annealing a tubing of predetermined length and size, uniformly filling a normally upper portion of the tubing with a predetermined thickness layer of fine alumina particles, flattening and doubly folding and pressing...     

A gas riser apparatus and method for conducting gas from a source of supply to a delivery point such as a meter or the like. The gas riser apparatus is defined by a double walled conduit including an inner tubular member and an outer tubular member. Sealing structure is provided at the double walled...     

A closure or bushing member for openings in electrical boxes, conduit ends and the like is formed as an integral unit of a thermoplastic synthetic organic polymeric resin and includes a disc or annular shaped head and a coaxial hollow cylindrical shank of lesser diameter. Extending from opposite sides...     

A liquid distributing device for use in the upper end of an upright tube in a vertical, tubular heat exchanger, which device comprises a ferrule having a head adapted to seat upon the upright tube, a cylindrical sleeve adapted to fit snugly within said tube, a bore in said head, and means to distribute...     

A horizontal wellpointing system is provided wherein a trenching vehicle digs a trench while perforated flexible pipe having a filter material is placed along the trench. The pipe is covered as the trench is refilled and a subsequent evacuating pressure is applied to the pipe by an above ground pump.

An adapter for connecting a nozzle or similar attachment to the threaded end of a garden hose or the like has a body with an internally threaded end connectable to the hose threads and a spring loaded retractable coaxial sleeve which extends over and protectively covers the external threads at the other...     

A hose member of synthetic plastic material is surrounded by a pressure-resistant armor and is provided at its opposite ends with mounting sleeves which surround the armor. At least one of the ends of the hose member extends axially beyond the associated mounting sleeve. Two connecting members are provided...     

This invention relates to an improvement in a sheathed, hollow, cylindrical stick composed of a flexible tube folded by longitudinal shirring, the improvement comprising a cylindrical, flexible jacket means enveloping said stick and projecting over the ends thereof, parts of the projecting portions touching...     

A one piece protector for the machined surface of a flange for pipes and valves which may be installed and removed by finger pressure on integral thimbles which frictionally engage the bores of the bolt holes of the flange.

A connector means for conveying fluid from a supply source to a delivery location, said connectors having one conduit extending to the supply source and another conduit extending to the delivery location. Each terminal part has a cylindrical housing with a closed end to which the conduit is joined, and...     

A pipe joint in which an inner pipe is telescoped in an outer pipe includes a first and second expanded portion on the outer pipe. A packing member is disposed in the annular space between the second expanded portion and the inner pipe and a ring element is disposed in aligned annular grooves in the...     

A means for adapting the end of a plastic pipe for coupling is provided in which the pipe is recessed circumferentially and the recessed area is further indented with three circumferential grooves. A first metal sleeve is shrink-fitted into the recessed area adjacent to the first groove furthest removed...     

A corrugated flexible thin copper tube filled with sodium has a resilient flexible core along the axis thereof so arranged that it will contract and expand to take up the force of thermal expansion and contraction of the sodium. Since the coefficients of expansion of the sodium and copper are different,...     

An artificial blood conduit comprises two concentrically associated tubes. Convolutions in the tube walls provide flexibility and reduce the tendency to kink. The inner tube is porous to promote the growth of a stable biological interface. The outer tube is impervious to prevent contamination of the...     

An improved flexible conduit assembly comprising a flexible conduit including an inner tube of synthetic resin, a plurality of wires wound helically about the inner tube, an outer casing enclosing the wires and the inner tube and a motion-transmitting wire core element, and an improved holder wherein...     

A flexible metal hose unit comprising in combination: a spigot formed with an annular flange and an annular gripping area, both coaxial with the spigot axis, a corrugated or helical flexible inner metal tube fitting over the spigot and welded to said flange, one or more flexible sheaths fitted over said...     

A bar stock feed tube assembly is disclosed of the type in which bar feed stock is supported and guided by, and rotates within, the assembly during machining. The feed tube assembly is comprised of an anechoic feed tube, a surrounding reinforcing jacket, and an intermediate, acoustically-decoupling layer...     

A reinforced oil hose assembly intended for use in offshore tanker service incorporating a protective outer layer incorporating spiral wire, cable, links or other abrasion resistant material to resist abrasion and other abuses and incorporating a stress relief device at hose ends.

A hose end unit comprises a reinforced hose end portion having at least an inner cylindrical elastomeric liner and a reinforcement layer and an end fitting being of the kind comprising an insert to enter into the end portion of the hose and a ferrule to surround the end portion of the hose. A plurality...     

A cap for installation over the open end of a tubular member that has a pipe or pipes of smaller diameter projecting through the open end of the tubular member. The cap has a rubber discoid portion that covers the open end of the tubular member and a rubber apron extending from the discoid portion and...     

The invention is concerned with the provision of a hose assembly in which the hose is clamped between a tube or nipple and a shell, and the shell is provided with a body portion which is crimped to the hose. The shell is entirely independent of and unattached to the tube or nipple, thereby facilitating...     

The insulated pipe comprises an inner pipe and a foam of thermally insulating plastics material which adheres to the inner pipe and to an outer protective layer. The foam material covers the major part of the inner pipe but terminates at a distance from each end thereof in a portion having an inclined...     

An underground high temperature conduit is intermittently anchored against axial displacement in concrete blocks by means of radially extending metallic anchor plates. The central conduit includes an adjacent insulation layer and a non-continuous reinforced fiber plastic outer casing which is connected...     

A self-clinching stand-off to be embedded into thin sheeted material. The stand-off comprises a base produced on a "screw machine" and an extension molded thereto. The extension is formed from a material which is softer than that of the base. Further, the extension may vary in length for a given base.

An open ended sleeve for a pinch valve is disclosed. The sleeve has a resilient tubular body member with an elastomeric liner forming a smooth tubular inner wall. A number of circumferential fabric layers surround the liner and are bonded thereto extending along the full length of the body member, a...     

A high pressure fuel injection pipe is produced by squeezing an end portion of a small-diametered steel pipe member having a flow path extending through the center thereof to form a flow path of reduced diameter in the end portion communicating with the central flow path, pressing and plastically shaping...     

There has been provided an armored beaded piping system, having a boot of corrosive resistant material adapted to shield the forward end of the armor from corrosives and to provide a protective end covering, which is grasped by a pipe coupler such that separation of the pipe system from the coupler is...     

A flexible composite hose which can be connected to a swageable fitting without creating a weakness in the hose adjacent the end of the fitting. The hose utilizes two or more braided reinforcement layers comprised of yarn formed from twisted strands of reinforcing material. During swaging, the twisted...     

This invention relates to a pipe seal or joint, and refers especially to a seal between an inner tubular surface and an outer tubular surface. The invention is concerned particularly, but is not limited, to seals of the O-ring or D-ring type employed in the joining of concrete pipes, for example for...     

Two coaxial metal pipes, whose confronting extremities are each provided with a plurality of peripheral ribs of staggered height separated by two or more peripheral grooves, are interconnected by a coupling sleeve of fiber-reinforced thermosetting resin subdivided into several coaxially interleaved and...     

A floating cargo hose for transporting fluid from a vessel having an excellent abrasion resistance and a unique distinct color of colored urethane is manufactured by wrapping a hose body in which is embedded a fibrous sheet or a spiral wire in rubber with a sponge layer having closed cells, covering...     

Thermoplastic multi-walled pipe which has at least two tubular members different in inside diameter and concentrically arranged, these tubular members being spaced and supported by a plurality of ribs so as to provide hollow portions therebetween. The bond strength between the inner end surface of the...     

A housing assembly taking the place of strength members in cables for insing electrical and/or electronic equipment. The assembly comprises cylindrical end terminations interlocking with cable termination pieces. The end terminations have strength members attached. The strength members comprise steel...     

A conventional, flexible sewer drain hose from recreational vehicles, is normally connected to the most common public or private sewer systems, by means of one of many different adaptor fittings, or by means of one fitting utilizing movable or mechanical parts. This device is designed primarily for the...     

A metallic body is formed to have a clearance fit up into a reamed and spot faced tube extended through, and welded to a tubesheet. The form of the body provides a lip which functions to limit the distance the body can be inserted into the tube and supply filler material at the weld zone between the...     

A reinforced rubber hose mainly consisting of a hose body composed of inner and outer rubber layers and a reinforcing layer interposed therebetween and adapted to be secured or fastened at its two ends to a pair of cylindrical mouth pieces to be connected to the associated pipe ends. At least free end...     

A plastic (polyvinylchloride-PVC) pipe is provided which is shaped to receive the end of an adjacent pipe such that the two pipes may be joined together by a tight adhesive seal in a simple and expeditious manner. In accordance with the invention, an internal peripheral channel is provided adjacent to...     

A method of manufacturing a fiber reinforced plastic pipe part, comprising a first wall part and a wall part adjoining the latter through an inner rounded corner transition having a radius of curvature of less than 5 mm, preferably 0,5 to 3 mm.

A flexible pipe joint according to which a pair of spaced apart and opposed hard tubular bodies are interconnected with each other by means of a cylindrical rubber body with a reinforcing layer embedded therein and having an end wound around a core ring, each hard tubular body being provided between...     

A protector for the threaded end of a garden hose comprising a cylindrical cap of a rigid material such as plastic and having an internal flange which engages the end of the hose. The cap is internally threaded and a tab integral with the flange is formed with an opening. A tether of a flexible material...     

A roof drain, for receiving rain water from a roof and conducting it to a drain pipe, includes a drain body made from polyurethane foam and having a flange integral with and adjacent to the inlet end of such drain body. A collar which makes sealing connection with the roof covering is attached to the...     

An improved hose having a reinforced elastomeric structure built over rigid steel bead rings at the terminal end comprises a plurality of lugs attached to the bead ring at spaced locations around the ring on a tapered outward facing surface of the ring such that loading on the flanged end of the hose...     

Apparatus for unthawing frozen water pipe including a feed tube which is advanced into the frozen pipe having a probing end formed by pliant fingers forming a tip for the feed tube. The feed tube is directed into the pipe by a tube channeling length of hose means through which the feed tube passes loosely....     

A flexible pipe section for the transportation of a mixture of water and solid material, such as pieces of stone, rock, metal and the like objects having sharp points and/or edges and/or projections offering a high resistance to wear and damage in that the wall of the pipe section lying between couplings...     

A method of making an adhesive bond, particularly suitable for underwater repairs consists of impregnating compliant foam material having an open cell structure with a thermosetting resinous adhesive, applying the foam to a substrate to be bonded or a puncture therein and applying pressure to the foam...     

This disclosure relates to a fireguard for protecting a hose or an assembly of a hose and fittings. The fireguard includes a layer or tube of a silicone compound which is positioned around the hose, and a metal shroud or sleeve which encloses the layer of silicone compound. The silicone compound and...     

A method of applying a protective shield to a drill pipe tool joint including positioning a centering hub on the end of the tool joint, positioning a bifurcated mold around the tool joint, the mold having a rearward end engaging the drill pipe and a forward end engaging the hub thereby centering the...     

An improved thermoplastic pipe stub end for welding to thermoplastic pipe is disclosed. The stub end has a flange portion integrally joined to a neck portion which has inner and outer surfaces and terminates at a welding face. The improvement resides in the reduction of the length of neck portion such...     

A connection nipple for providing fluid communication with the interior of the container, such as for example a blood bag or the like. The connection nipple comprises a hollow tubular member having a first end which is adapted to be sealingly inserted within the blood bag and a second open end disposed...     

A self packaging urine conduit for women comprises a flexible, reversibly deformable and fluid-tight tubular medial element, a relatively rigid tubular end piece connected to one end of the medial element to form a continuous fluid-tight channel therewith, a rim connected to the other end of the medial...     

A flexible pipe includes an elastic pipe body in corrugated form and including alternate large and small radius portions. A ring is mounted within one of the large diameter portions of the interior of the pipe body. An elongated flexible and deformable shaping member is secured to the ring and extends...     

A connector sleeve for polyolefin pipe ends for connecting butted pipe ends by a coupling. The connector sleeve is metallic and has a pair of internal circumferential ribs mated in external grooves of the pipe end which is press-fitted within the sleeve in sealing relation. The connector sleeve has a...     

The multiple wall angle connection allows to connect pipes and containers with great flexibility and a good compensation of the heat expansion. To connect two pipes (1, 2), for example, three coaxial angle connections (3, 4, 5) are interconnected. The internal connection (5) is connected to the first...     

A hose end construction comprising a hose main body and a connection metal fitting secured to the end portion of said hose main body by means of a clamping ring and a ferrule circumferentially tightening the end portion of said hose main body to said connection metal fitting.

A hollow body assembly wherein a circumferential flange is disposed on the outside and/or inside of each of a pair of individual elements to be connected at their connecting surfaces. Each of the flanges has a transverse outer surface which is perpendicular to the longitudinal axis of its respective...     

An electrical conduit formed of helical inner and outer channels having movably interlocked flanges, so that the channel convolutions separate on the outside of a bend of the conduit and come together on the inside of the bend.

A pipe flange coupling having a carbon steel body and flange with a bore extending through the body and flange and a bolt circle in the flange, a lining throughout the entire length and circumference of the bore, and a sealing surface on the flange radially inward of the bolt circle and radially outward...     

This invention relates to a protective closure for threaded or non-threaded tubular articles or projections. This protective closure comprises a hollow cylindrical member having an open and a closed end and with at least one internal and one external circularly-shaped plateau. Joined to the open end...     

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 drive shaft, particularly for motor vehicles, has metallic end members having facing axially inner sections of larger diameter, axially outer sections of smaller diameters and transition sections connecting the inner and outer sections. The end members are, with the exception of small axial lengths...     

A cast-iron or steel pipe is coated with a two-component epoxy resin and then, prior to curing of the resin, is coated with a relatively thick layer of hydraulic concrete. A layer of a water-impervious bitumen is then applied over the concrete. The concrete layer does not extend over the spigot in a...     

A continuous tube T is formed by spirally-winding an extruded thermoplastic ribbon R having mating edges which are joined together to form a spiral seam and having at least one reinforcing rib 3 which, when in its spiral wrapped form, projects radially out from the tube. At predetermined lengths, the...     

This invention deals with a permanent hose fitting for use with reinforced hose including a flexible inner tube, a wire reinforcement which surrounds the inner tube and an outer cover, the hose being comprised primarily of rubber or rubber-like material. The fitting is of the steel socket and insert...     

A corrosion resistant tube assembly is disclosed comprising a corrosion susceptible metal tubing having an outside surface, an inside surface and end surfaces. Peripheral end portions of the tubing are provided with an overlay of corrosion resistant metal extending along a portion of the outside surface...     

Disclosed are heat recoverable connectors for use as a protective covering about a plurality of joined articles such as wire splices or tubing junctures. The connectors are open-ended and feature at least one internal wall extending for at least a portion of the distance along the length of the connector...     

The hollow stabilizer is made from a single pipe and has a torsion section coupled to a vehicle, curved sections each integrally extending from each end of the torsion section, and arm sections each integrally extending from each of the curved sections. All these sections have the same outer diameter,...     

A thread protector apparatus is disclosed for drill pipe. The apparatus is similarly constructed for both male and female threads. The apparatus utilizes an encircling tubular member which is spaced away from and concentric with the threaded portion of the drill pipe. At the edge of the tubular portion...     

A sealing device for providing a fluid-tight seal when jointing different types of pipes. The sealing device comprises a sealing ring made of a resilient material are positioned in an annular groove in the outer pipe, and has a sealing portion adapted sealingly to engage an inner pipe introduced therein....     

A drive shaft, particularly for motor vehicles, has a tubular shaft part of a fiber reinforced synthetic plastic material, two end pieces each associated with respective one of the end portions of the shaft and having sleeve-shaped and ring-shaped sections, and a plurality of anchoring pins arranged...     

A flexible pipe comprising a first set of stress bearing elements extending substantially the whole length of the pipe, for accommodating maximum hoop stress resulting from flow of pressurized fluid through the pipe, and a second set of stress bearing elements extending substantially the whole length...     

An easy to manufacture, strong, high pressure flange-type insulating coupling with wide separation between exposed metal parts is provided. The insulating coupling is made up of two metal half flanges supported on a nonconductive cylindrical nonmetallic member. The space between the two vertical ends...     

A drive shaft for motor vehicles has a tubular shaft portion of synthetic plastic resin in which fibers are embedded. Metallic end pieces are in part received in and bonded to the shaft portion; connecting elements can be connected to the parts which project outwardly from the shaft portion. A method...     

The stabilizer according to the invention is made from a single pipe, and it comprises a torsion section coupled to a vehicle frame, curved sections integrally extending from the opposite ends of the torsion section and arm sections each integrally extending from each of the curved sections and coupled...     

A pre-rinse hose for use in the food service industry is provided. A core section is formed from an inner tube extruded from a rubber compound, a layer of textile braid applied to the inner tube and an outer tube extruded from a rubber compound over the textile braid. A steel braid is applied around...     

The casting tube is constituted by a mixture of refractory particles and fibers embedded in a binder which is not capable of withstanding the temperature attained when liquid metal flows within the tube. The refractory particles are sinterable in a tube zone which is directly exposed to the heat of the...     

Interior by-pass for underground gas service line is installed from building basement without need for excavation, and has a tightenable adapter attached on each end of the by-pass tubing to connect and seal the tubing to the interior periphery of the service line. Each adapter provides a pair of spaced-apart...     

A one-piece metal wear sleeve, circumferentially homogeneous, is secured by epoxy to the outer periphery of a drill pipe. The inner diameter of the sleeve is less than the outer diameter of tool joints at the end of the drill pipe. The sleeve is centrifugally cast of two materials, including a tough,...     

Equipment for continuous ambulatory peritoneal dialysis in which a solution container is coupled via flexible tubing to a patient's tube that communicates with the patient's peritoneal cavity by means of a catheter, usually a surgically implanted catheter. The equipment includes a flexible, foldable...     

A flexible sleeve type connecting structure, especially for connecting an inlet and/or outlet of a movably supported weigh hopper to other stationary scale components, includes a sleeve (1) made of a flexible webbing. The outer surface of the webbing sleeve (1) is provided with a silicone coating. The...     

A flexible hose comprising a main fluid retaining carcass and a secondary fluid retaining carcass enclosing at least part of said main carcass, said hose including means to collect and detect fluid leaking from said main carcass. Said means comprises a circumferential opening formed in a nipple portion...     

A circumferentially extending apparatus 46 for containing particles having an axial component and a radial component of velocity is disclosed. The apparatus is comprised of a support structure 48 and a flexible casing 50 formed of a fabric 78. The external surface of the support structure has a first...     

A strand of sausage casing is closed at one end by an end closure formed by coating the inner surface of an end portion with adhesive and crimping opposite sides together to form a seal, a restricted air passage being left through the seal. The strand is preferably a shirred strand of a thin-walled collagen...     

The invention is a coupler for interconnecting the ends of two fluid conduits wherein the connectors are each mounted inwardly of the open end of respective cupped members; the cupped members telescope one over the other and one of them has a flared end to assist in the initial alignment of the telescoping...     

A rigid hose cuff for a heated hose for transporting molten hot melt adhesive. The cuff comprises a cylindrical body made of a rigid material. The cylindrical body is positioned on the hose adjacent a hose end having a fitting attached thereto. A two-piece collar is positioned on and then is connected...     

Tubular body of fused quartz and quartz glass with a seamless transition from the fused-quartz zone to the quartz-glass zone. The body is manufactured continuously in a hollow rotating metal cylinder by disposing silica against the rotating mold and adding thereto, such as in an annular zone therein,...     

A hollow filament wound tube having a plurality of cylindrical, hollow, open ended load bearing shells embedded between radially spaced layers of fiber of the filament wound tube, the shells having a longitudinal dimension less than that of the filament wound tube.

A flexible pipe for transporting various fluids such as oil, gas, water or the like. The flexible pipe comprises at least one internal plastic sheath which may be provided on an inner carcass, a short pitched metal armor layer provided on the internal plastic sheath to mainly share a circumferential...     

In a corrosion-resistant, double-wall pipe structure formed by tightly fitting a stainless-steel inner pipe in an outer pipe, the inner pipe at any portion thereof which is liable to be adversely affected by heat due to heat processing is replaced by an inner tube of a special metal having corrosion...     

A casing article which includes a tubular core member and a length of shirred casing disposed on the core with its inner periphery in gripping engagement about the core. A deshirring control is carried by the core and engages a rear portion of the shirred casing. The deshirring control prevents forward...     

A duct for carrying cable comprising a tubular member having a barrel portion and a larger diameter bell portion, the duct further comprising a member disposed in the barrel portion for segmenting the barrel portion into compartments, the segmenting member have a first section and a second section, the...     

Improved connectors are disclosed for a Bain anesthesiology circuit. At the end remote from the patient, positive connections are made to the anesthesiology gas supply tube. The construction of the fitting for the exhaust is such as to apply a crank action, facilitating tight insertion of the fitting...     

A thin-walled guiding catheter of the type having a distal end adapted to be formed into curved configurations and passed through branching blood vessels and the like is prepared with a three-layered tubular body portion having a lubricious inner sheath defining a lubricious guiding lumen, a rigid intermediate...     

Prefabricated insulated pipeline section having a one-piece cast cured and dried insulative liner formed of lightweight aggregate in a foamed portland cement paste binder bonded to the inner surface of a tubular outer casing. The liner composition may be cast, in place between the liner and the pipe,...     

A shirred casing article includes a tubular member which supports shirred casing at one end and a plurality of flattening disks at the other. The casing contains volatile agent which is detrimental to the disks if exposed to the disks over time. A barrier, such as a bag or wrap, impervious to the agent...     

Flexible and expansible hose for use with recreational vehicles for waste disposal and the like is provided with an easily applied and removable protective sleeve which is coextensive therewith.

A sleeve-like component 1 is adapted to welded to a plastic bag containing a liquid to be dispensed such as wine or beer. The sleeve has an outer tubular part and an inner tubular part defining an annular space adapted to receive one end of a tube mounted on a tap assembly. The tube on the tap assembly...     

A hollow filament wound tube having a plurality of cylindrical, hollow, open ended load bearing shells embedded between radially spaced layers of fiber of the filament wound tube, the shells having a longitudinal dimension less than that of the filament wound tube.

There is described an improved apparatus for use in medical applications. The invention is adaptable for either disposable or non-disposable use. The apparatus includes a tubing which has a spiral configuration and a "spin-in cuff" or connector with a spiral end which mates with the spiral tubing to...     

A process for producing a tubular rubber product such as a rubber hose and a rubber coupling in which a polyamide resin and/or polyester resin layer is formed to the main body of a tubular rubber product. The resin layer is formed either by coating an organic solvent-soluble nylon to the surface of the...