Abstract: A conduit and method of making a conduit for an underground conduit system, where the conduits are protected from ultra-violet rays, the conduit system being able to transport and insulate a variety of materials including, but not limited to, fluids and wires. The assembled conduits being able to be located underground to support the weight of the soil without crushing the insulating layer and thus destroying the insulating qualities of the insulating layer. The assembled conduits coact to protect the interior of the conduit system from moisture located radially outward of the conduit system.

Abstract: An improved releasable coupling for a tube is disclosed. The coupling contains a socket with at least four stepped bores. Located within the first bore is a compresion means (such as a collar) which has an inner surface inclined to the axis of first bore. A collet is mounted within the compression means and is so configured that, when the collet is caused to move inwardly, the inclined surface of the compression means causes the jaws of the collet to move inwardly. The coupling also contains a tube support located within the second bore. At least four sealing means are disposed within the third bore: a first O-ring is contiguous with a first washer, which in turn is contiguous with a second O-ring, which in turn is contiguous with a second washer.

Abstract: A handle is inserted between the male end coupler and the end connector on a conventional hydraulic hose. The handle has a solid rigid core with a passageway therethrough which connects to the hose end connector and the male end coupler. The core which substantially enlarges the effective diameter of the handle is embraced by a flexible sleeve of molded PVC and provides a holding station for the operator's hand between front and rear annular shoulders that keeps a hand from slipping off the handle and protects the handle from splattering oil from the hydraulic pump.

Abstract: Airhose coupling device including end fittings and quick disconnect release switches having protection for preventing damage to surfaces coming in contact therewith.

Abstract: The invention relates to apparatus for protecting wellhead bores during drilling operations, and more particularly to bowl protectors for preventing damage to wellhead bore seal surfaces as drilling equipment passes through the wellhead. The invention includes a bowl protector and a seperable false bowl for accepting a casing hanger, the bowl protector and false bowl being releasably connected together by shear pins.

Abstract: An improved method of coating a pipe coupling with a corrosion resistant polymeric coating includes coating an entire coupling, then simultaneously forming an upstanding flange on the coupling body when, in the parting process, the body and nut are separated. The improved coupling is adapted to utilize a moisture barrier between thee nut and the flange.

Abstract: A blast joint for use with a snubbing unit includes a casing around the protective rings and means for sealing around the bottom of the rings between the tubing and the casing.

Abstract: The present invention proposes a water supply elbow with a plastic housing, suitable for connections with flexible plastic conductors of hydraulic installations of water supply networks and of central heating and air-conditioning networks with the conventional water taps, radiator valves and other commercially available accessories, where mainly built into the walls and/or laid underneath the floor the abovementioned flexible plastic conductors are covered by an external spiral coating.

Abstract: A one piece pipefitting cover for insulated Y-shaped joints, including strainers or lateral 45.degree.-Y fittings, made of a flexible material, i.e., polyvinyl chloride, comprising a relatively flat base symmetrical about its center axis having oppositely facing lateral members and semi-circular edge members along its sides wherein when rotated about its center axis forms a cover conforming to the shape of the insulated fitting.

Abstract: A secondary containment pipe system disposed around a primary pipe system and comprising a joint that is divided along a central parting plane and has laterally projecting flanges that form internal passages for adhesive sealing cement, that is injected through ports while the joint is clamped together around secondary containment pipes. The joint has pipe sockets that have internal grooves that also are filled with injected cement, thus forming a continuous, uninterrupted seal around the interior of the joint, and also has spillover grooves and wells for minimizing leakage, and lateral aligning surfaces. The clamping means are C-shaped clips that can be left in place indefinitely. The secondary containment pipes also are divided, being formed by elongated pipe elements fitted together around the primary pipes and having snap-latching coupling means along their abutting edges.

Abstract: A durable blast joint using a protective sheath of erosion resistant rings arranged in overlapping stacks so as to provide a vertically continuous protective sheath for the full length of the blast joint. The blast joint provides durable structural surfaces suitable for gripping with power tools and has a pressure operated hydrostatic driver for maintaining a tight fit between a continuous series of erosion resistant rings. The blast joint is also adaptable to be installed in a pressurized well, using a snubber unit.

Abstract: An improved locking assembly is disclosed for securing the connection between a push-on fitting having a flared end which is fitted into a cage and surrounded by a garter-type coil spring housed within the cage. The locking assembly includes a generally cylindrical coupling having a knurled outer surface and a single radial slit therein. The coupling includes at least two hinges integrally formed in the outer circumference thereof wherein at least three independent bearing surfaces are formed when the coupling encircles the connection. A multi-step circumferential recess within the coupling is utilized to accommodate variations in the external dimensions of the cage and a circular clamp or single screw are utilized to urge the single radial slit into a mated relationship such that relative axial movement of the cage and push-on fitting is restricted by radial pressure exerted by the coupling.

Abstract: Method for the permanent mutual connection of the ends of at least two already finished metal tubes (1,2,3), consisting in placing the ends of said tubes in a mould, particularly an injection moulding mould, whereby one tube end or several tube ends is or are arranged around a tubulous part of a metal body (4), closing the mould and filling the mould with liquid plastics material, so that after the setting of the plastics material and the opening of the mould the ends of the tubes (1,2,3) are joined together, whereby before closing the mould the or each of said tube ends (1,2,3) as well as the tubulous part of the metal body (4) present therein is locally depressed over a certain distance.

Abstract: A flexible body member is constructed so as to be wrapped around a hose at connector portions thereof and has overlapping side portions. The body member has releasable securement on its overlapping areas and also has a widened portion intermediate the ends thereof for accommodating the interfitting coupling members and for holding the device on the coupling members. The releasable securement on the overlapping side areas is by continuous and full length fastening elements such as Velcro. The device also has padding to provide desired cushioning and insulation.

Abstract: A method of making a partition for a prefabricated framed wall to be mounted into a building structure under construction has several steps: cutting at least one hole through each of a plurality of frame studs, a top frame plate, and a bottom frame plate; aligning the plurality of frame studs; securing tops of the frame studs to the top frame plate; securing bottoms of the frame studs to the bottom frame plate; installing plumbing pipes between the frame studs; and inserting either a sanitary tee or a waste pipe connector or a heating/cooling duct through the holes in the bottom frame plate so that they depend therebelow. The sanitary tees connect below a bathroom floor to either a toilet fixture or a bathtub or a shower. The waste pipe connectors are connected below a floor to either a kitchen sink, a dishwasher, a laundry basin, or a clothes washer. The heating/cooling duct connects either below the bathroom floor or above the bathroom ceiling to either a heater or an air conditioner.

Abstract: 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.

Abstract: A durable blast joint using a protective sheath of erosion resistant rings arranged in overlapping stacks so as to provide a vertically continuous protective sheath for the full length of the blast joint, while also providing durable structural surfaces suitable for gripping with power tools.

Abstract: A multi-joint blast joint comprising a series of standard length joints of production tubing is disclosed. The blast joint includes a series of cylindrical rings composed of an abrasion resistant material mounted about the tubular tubing joints forming a protective shield about the production tubing. A movable sleeve formed of cylindrical abrasion resistant rings is selectively shiftable to enclose and shield the tubing connection assemblies joining the production tubing forming the blast joint. A slip sleeve is mounted about the blast joint providing a pipe slip engaging surface for suspending the blast joint in the well bore. The production tubing and abrasion resistant rings form a blast joint whose length exceeds the standard length of a single joint of production tubing.

Abstract: A sight glass apparatus and method limiting external pressures on the sight glass. The sight glass apparatus has a pair of flanges wherein each of the flanges includes a tubular top portion which abuts the respective pipes. The tubular top portion includes a circular cut-out for providing a victaulic type connection for a clamping means to clamp to the respective pipes and a conical section which tapers into an annular rim section having a plurality of apertures wherein a bottom portion of the annular rim includes a center aperture being co-axially aligned when mounted to the pipes. An O-ring is mounted in a recess with a cylindrical glass tubing for observing the fluid or the like. The sight glass apparatus further includes machine precisioned shoulder studs with threaded ends. The ends protruding through the apertures of each of flange when connecting the sight glass apparatus together.

Abstract: Herein disclosed is a connector for connecting a slender tube, which comprises: a connector body and a socket member. The connector body has: a connecting portion formed at its leading end to be connected to a base; a small hole formed at its leading end; a stepped connecting bore extending therethrough and expanded from the small hole; and an annular groove formed in the inner circumference of the connecting bore. The socket member is adapted to be removably inserted into the connecting bore of the connector body at its leading end and has: a cylindrical wall for engaging with a bulging wall of the connected end of a slender tube; and a plurality of free walls arranged at a spacing at the trailing end of the cylindrical wall elastically in an expanded manner.

Abstract: An improved coupling guard for enclosing rotating couplings, shafts and other devices with the improvement comprising an interlocking closure consisting of a retainer element, a retained element and a resilient gasket substantially between the retainer and the retained elements. The improved coupling guard provides a substantially leakproof enclosure that is easily assembled and disassembled. In a preferred embodiment of the invention, the guard comprises two or more semi-cylindrical shell portions that cooperate to form a substantially cylindrical enclosure and that are joined by use of the interlocking closures. In the closures, the gasket is adapted to both seal the closure against leakage and to resiliently bias the retained element into retaining engagement with the retainer element.

Abstract: A protective cylinder (3) for pipe insulation. The protective cylinder (3) is cut at the rear side of the upper part of a folded section of one edge through a predetermined vertical distance 1.sub.1 from the upper end of a first longitudinal edge. The cut extends obliquely downwardly and outwardly at the front by the same vertical distance 1.sub.1 along a first guide line (9) obliquely downwardly and outwardly extending from a first radius portion (9a) at the upper end of the one edge, to an outside bent portion, to form thereby a first engagement portion extending along the first guide line. This serves as both a fitting guide and a rotation stopper. The cylindrical member also has a second longitudinal edge cut slightly obliquely outwardly and downwardly at the upper part thereof by a predetermined vertical distance 1.sub.3 from a second radius portion (10a) at the upper end of the other edge spaced at a horizontal distance 1.sub.2 from the second longitudinal edge.

Abstract: A cover comprised of two half sections which have end portions that interlock in place to form a closed cover. More specifically, a pipe fitting cover that is used to protect various types of pipe fittings against the intrusion of water and other elements.

Abstract: A pipefitting cover specially designed to enclose an insulated Y-shaped joint is disclosed comprising two half sections, one adapted to the shape of a straight pipe segment and the other adapted to interlock with the other section while also accommodating an additional pipe segment protruding at an angle from the first straight pipe segment.

Abstract: A flexible connector for connecting adjacent ends of spaced apart, upper and lower conduits used in conveying particulate material, where one of the conduits regularly moves, is formed of a cloth-like tube whose upper and lower ends surround the conduits and are secured thereto by elasticized bands. A loose, cloth-like, tubular sleeve is arranged within the tube with its upper end secured to the upper end of the tube for surrounding the upper conduit with the tube upper end. The sleeve is otherwise unsecured to the tube and its lower end loosely extends beneath the tube and into the upper end of the lower conduit. A resilient, stiff band surrounds and is secured to the middle of the tube for maintaining the shape of the tube while the sleeve is free to move and yield under the impact of, and the venturi-like effect due to, the flow of particulate material from the upper conduit to the lower conduit through the connector.

Abstract: There are disclosed two embodiments of a protector for the inner end of pipe connector hubs which have seats in their bores which are conically shaped to receive conically shaped outer faces of lips on each end of a seal ring to be held between the hubs, and flanges having conically shaped outer ends adapted to be engaged by clamping means to draw their inner ends toward one another in order to cause the seats to be sealably engaged by the faces of the lips of the seal ring. The protector includes a cup shaped body of resilient material which has a circular, inner end wall disposable over the bore of the hub and across the inner end of the flange, an annular side wall extending from the periphery of the end wall for disposal over the outer side of the flange, and a conically shaped outer end wall extending inwardly from the free end of the side wall for disposal over the full extent of the outer end of the flange of the hub.

Abstract: A protective device for a quick connect coupling having selectively connectable male and female coupling bodies. The device includes a generally cylindrical sleeve extending axially beyond and radially outward of an end face of one of the male and female coupling bodies. The sleeve has a generally radially outward tapering conformation to add desired rigidity and bulk thereto. The protective device is designed to extend axially outward beyond either the female receiving member or the male stem portion in both a first outermost biased position and a second innermost position.

Abstract: A structure for connecting ends of exhaust pipes is disclosed. The structure for connecting is constituted by an annular elastic sealing member with heat resistance which is interposed between two overlapping surfaces of two cylinders in a temporally compressed manner, outwardly-projecting annular projection means each of which is disposed on the surfaces of the cylinders at the portions which do not overlap each other, a first coil spring member which is disposed at an adjustable interval above the surface of the cylinder, and two ends of which are secured to the annular projection means, a second coil spring member two ends of which are secured to two final coils of the first coil spring respectively, and which is disposed over the outer portion of the first coil spring in such a manner that the coil wire of the second coil spring is alternately disposed between the coil wire of the first coil spring.

Abstract: A pipe joint weld collar and method of installation is disclosed for an offshore oil/gas pipeline for covering contiguous end portions of a pair of pipes joined together by a metal weld. A coating of a high specific gravity material, such as concrete or the like is applied to the outer periphery of the pair of pipes to prevent floating of the pipes when oil or gas of less density than water is transported therethrough. The contiguous welded end portions of the pipes are void of concrete to form a peripheral recess or cutback providing access to the pipe end portions for welding. The collar comprises a plastic sheet spanning the recess and wrapped around the end portions of the coating for covering the recess. Clamp bands are placed around the wrapped sheet to prevent movement thereof on the concrete coatings and to hold the sheets in position for tack welding.

Abstract: An axially split clamp for securing the connection between a push-on fitting having a flared end fitted into a cage and surrounded by a garter-type coiled spring housed within the cage on a pipe having a plurality of O-rings sealing the connection between the push-on fitting and the pipe. The two mirror image halves of the axially split clamp are sized to snugly encircle the cage housing the coiled spring of the pipe while at the same time snugly encircling the adjacent outer surface of the push-on fitting. The two halves of the clamp are then securely joined together by a pair of screws threaded into aligned threaded holes in both halves of the clamp.

Abstract: The present invention relates to a seat protector device of the type which may be employed with drill rods for transmission of thrust from a driving member to a driven member. More specifically, the invention relates to an improved drill rod system for earth drilling where the rod also provides an axial passageway for a fluid to carry drill cuttings away from the cutting area. The seat protector device of the present invention may be detachably inserted between one or more drill rod sections and/or between one of the drill rods and the drill bit and/or between one of the drill rod members and the driving chuck for transmitting thrust load forces while simultaneously reducing damage and/or wear between the component parts.

Abstract: A hose coupling protection device has first and second half portions that are substantially identical each of which have a central chamber therein for the reception of the female fastening element of a hose connector. The central chamber and the semi-circular recesses extending therefrom are sized to permit free rotation of the hose coupling within the protector body.

Abstract: A device for introducing an additive liquid into a carrier liquid, which comprises a pipe section with a venturi in which the carrier liquid is caused to flow. A first tube has an end connected to the pipe section upstream of the venturi, while a second tube of small diameter is formed in the walls of the first tube and pipe section. The second tube has a two-branched end defining a first orifice in the pipe section downstream of the venturi and a second orifice inside the venturi. The first and second tubes comprises adjacent free ends. A third tube has an end communicating with a first compartment of a plastic bag, while a small diameter fourth tube formed within the wall of the third tube has an end communicating with a second compartment of the bag containing the additive liquid. The third and fourth tubes comprise adjacent free ends. A quick-fit connector removably and simultaneously connects together the free ends of the first and third tubes, and the free ends of the second and fourth tubes.

Abstract: An improved pipe coupling protector including a thread protector with sleeve is disclosed. Moreover, a method of installation is also set forth. When manufactured, the sleeve is sized to fit over the threads on the exterior of a pipe end and has a surrounding end shoulder with a transverse cap. An undercut defines the cap for removal by puncturing action to enable the sleeve to move up the threads. At the time of installation, the pipe is threaded to a coupling. A lubricant or sealant is applied to the threads. The coupling and the sleeve of the present disclosure completely cover over the threads and they are sealed against atmospheric intrusion and capillary fluid flow along threads and at the coupling face by the sleeve with an underlying layer of sealant or lubricant.

Abstract: A flexible tube exhausting pumped water into a spa tank and whipping by reaction to exhaust of water therefrom. A number of articulated plastic sleeves encircling the tube and guiding the tube to whip only in a vertical plane. The sleeves being pivotally connected to pivot about horizontal parallel axes. Adjacent sleeves having abutments limiting bending of the harness and the tube. An end sleeve being secured against rotation but being slidable longitudinally of the tube so that the harness can adjust longitudinally of the tube during whipping of the tube.

Abstract: A tubing joint for the corrosion protection of a production string of metal tubes having one or more annular grooves on the surface of the tube for the inclusion of sacrificial metal rings. Preferably, the metal rings are substantially coincident with the tubing surface.

Abstract: A compact well head adapter having a uniform design for a variety of well casing sizes. An annular adapter body includes a lower portion threaded for connection to a well casing, an upper portion threaded for connection to a fluid conductor, and a bore for the transfer of fluid between the casing and the fluid conductor. A removable annular shield is removably connected to the upper portion of the adapter body to protect the upper threaded portion from damage in handling. The lower threaded portion can be varied in size to fit different size well casings and the upper portion remains the same size for connection to the fluid conductor and to the annular shield. The adapter is supported by a swivel to facilitate rotation of the adapter as the adapter is threaded onto the well casing.

Abstract: A blast joint comprising a series of standard length joints of production tubing is disclosed. The blast joint includes a series of cylindrical rings composed of an abrasion resistant material mounted about the tubular tubing joints forming a protective shield about the production tubing. A movable sleeve formed of cylindrical abrasion resistant rings is selectively shiftable to enclose and shield the tubing connection assemblies joining the production tubing forming the blast joint. The production tubing and abrasion resistant rings form a blast joint whose length exceeds the standard length of a single joint of production tubing.

Abstract: In a fluid-tight coupling comprising a male fitting (1) having an axial channel (2) issuing to the outside via a radial opening (3) and forming the first section of the fluid line, said coupling requiring the male fitting to penetrate into a bore (6) in a mating part (5) containing the second section of said fluid line (4) issuing into the bore in line with the radial opening (3) when coupling is made and the male fitting (1) carrying two seals, located respectively above and below the radial opening, an improvement protects the seals against damage on insertion, wherein the upper seal (8) is secured between a conical shoulder (10) on the male fitting and a sliding ring (11) around the fitting, having a radial through-hole (17), the lower seal (9) is secured between same said ring and the conical top surface (12) of a sliding bushing (13) fitted over the end of the male fitting and the bore of the mating part has a shoulder (19) such that at the time of coupling the bushing (13) bumps said shoulder (19) and s

Abstract: A process for placing heat-shrinkable polyfluoroolefin polymer sleeves, preferably, FEP resin or PFA resin, over Frasch sulfur well piping and other downhole well piping to protect such piping from corrosion.A heat chamber for heat-shrinking the polyfluoroolefin polymer sleeves onto the piping.

Abstract: Disclosed is a pipe fitting cover for angled pipe joints formed of a single integral structure in which the opposed ends of the structure are secured about the angled pipe joint by a single securing means in the central portion of the topmost opposed end and wherein the top end may have an arcuate edge to provide a smoother overlap of the top end and bottom end. Also disclosed is a novel securing means for securing the cover about the angled pipe joint and a method of securing the cover about the angled pipe joint.

Abstract: The present invention relates to improvements made to heat insulating means for piping subjected to high thermal, hydrostatic and mechanical stresses.The new insulating means comprises a plurality of sectors or layers made from a lacunal insulating material enclosing air, which sectors or layers are bonded together by sheets or layers of elastomer, and having undergone curing at a temperature less than or equal to 120.degree. C.

Abstract: An improved method for coating multi-piece explosion-proof housings with a corrosion-resistant material which permits assembly and disassembly without interference with the corrosion-proofing function of the coating is disclosed. The method features assembly of the portions of the housing together with spacer means and dipping or otherwise coating the housing portions with a corrosion-resistant material. The spacer is formed in order to cause seal members to be formed directly in the coating which are brought into compression with one another upon subsequent assembly of the housing without the spacer so that an effective seal is provided.

Abstract: A reaction tube system of a steam reformer, more generally referred to as tubular cracking furnace, for the indirect heating of cracking feedstock, such as the catalytic cracking of hydrocarbons, includes a plurality of reaction tubes and headers, the reaction tubes penetrating through the bottom of the steam reformer and being extended to the associated header by low-alloy tube sections attached to the tubes by circumferential welds. The reaction tubes are surrounded in the area of the weld(s) by a coaxial protective tube having one open end and defining a free annular space around the reaction tube. The protective tube prevents deterioration by corrosion of the weld(s) joining the tube sections of high-alloy steel with low-alloy extension sections with unalloyed steel extension section.

Abstract: An insulated casing assembly for use in injecting steam into wells or transmitting steam from the generating source to the wellhead is disclosed. A plurality of interconnected casings are used, each casing have outer and inner tubular sections and an annular spacing between the two sections containing thermal insulation. Rigid weld rings connect and prevent relative movement between the corresponding ends of the two sections. A thermal and fluid sealing ring disposed between adjacent inner tubular section prevents ingress of steam into the coupling cavity. A threaded coupling screwed onto threaded ends of outer tubular sections joins adjacent casings together.

Abstract: There is provided a protective method and joint for multiple consecutive production tubing each having a body portion and an increased diameter portion within a zone to be protected, the method including the steps of installing a plurality of first generally cylindrical annular protective rings coaxially over the body portion of each tubular; placing a plurality of second generally cylindrical annular protective rings coaxially locatable along the increased diameter portion of each tubular over the body portion of the first tubular while supporting the second protective rings with at least one sleeve coaxially located along the body portion of the first tubular; coupling a second tubular to the first tubular to form coupled tubulars; and placing the second protective rings over the increased diameter portion of the second tubular while using at least one sleeve to limit movement of the second protective rings in their radial direction and facilitate movement of those rings over the increased diameter and body

Abstract: There is described an insulating connector for the wellhead of an electrode well used for heating a subsurface formation by electrical power dissipation in the formation. The insulating connector has two iron base metal fittings (for example, steel flange halves) heat shrink fitted to a piece of ceramic pipe with a nonferrous second metal between the outer surface of the ceramic and the inner surface of the metal fittings. The nonferrous metal (for example, copper) has a lower yield than steel and a higher thermal expansion coefficient than the iron base metal and deforms, compensates and distributes the stresses caused in the shrink fitted members by the differences expansion between steel and ceramics.

Abstract: Apparatus for protecting tool joints and injection or control tubing of production tubing strings employed in the production of oil and gas. A pair of half-cylinder shaped sections are provided which are interconnected at respective edges by an elongate piano-type hinge having a releasable pin. The opposite edges are provided with a plurality of pin guide sections matingly received by each other to define a pair of longitudinal pin slots when the protector is disposed about a tool joint. A pair of mating tapered pins are provided for each slot whereby when the pins are driven into their respective slots, the edges of the half-sections carrying the pin guides are drawn toward each other to effect progressively tighter engagement of the protector about the tool joint and tubing in an interference fit.

Abstract: An axially split clamp for securing the connection between a push-on fitting having a flared end fitted into a cage and surrounded by a garter-type coiled spring housed within the cage on a pipe having a plurality of O-rings sealing the connection between the push-on fitting and the pipe. The two mirror image halves of the axially split clamp are sized to snugly encircle the cage housing the coiled spring of the pipe while at the same time snugly encircling the adjacent outer surface of the push-on fitting. The two halves of the clamp are then securely joined together by a pair of screws threaded into aligned threaded holes in both halves of the clamp.

Abstract: There is provided a protective joint for production tubing having a body portion and an increased diameter portion within a zone to be protected and including a transition ring formation and a plurality of first and second generally cylindrical annular protective rings coaxially locatable with the body portion and the increased diameter portion, respectively. The transition ring formation is located between the first and second protective rings .[.and may include a transition ring, a supporting ring and a compensating ring which are sealingly biased with the protective rings against two retainer by a biasing means.]. to .[.thereby.]. form a protective shield capable of accommodating longitudinal movement of the production tubing relative to the protective joint as well as flexing in the production string.