Abstract: Threaded joint for oil and gas pipes, including a female part and a male part, the female part being a joint tubular body including a threaded coupling section, a seal section which prolongs the coupling section, the male part including a tubular body which includes a first section which external surface is threaded, a second sealing section including a seal surface which cooperates with the female part seal surface for sealing the joint, the sealing surface of the female part being made of conical sections, the sealing surface of the male part includes a proximal portion closer to the first section and a distal portion, the proximal section portion being a conical surface which forms a first seal with the sealing surface of the female part and the distal portion having a convex surface which forms a second seal with the sealing surface of the female part.

Abstract: A gimbal joint includes a monolithic first member including a first connection portion; and a monolithic second member including a second connection portion engaged with the first connection portion such that the monolithic first member and the monolithic second member are configured to move relative to each other about a plurality of axes. The first member may include a plurality of structural portions and a support base. The support base may include an axially-extending aperture that extends through the support base.

Abstract: A coupling assembly that connects first and second conduits and prevents a fluid from leaking from a junction formed between the first and second conduits. The coupling assembly includes an inner coupling and an outer coupling that extends around and connects the first and second conduits. A retention strap extends around the first and second conduits and is positioned between the inner and outer coupling.

Abstract: A leak-resistant pipe connection has an annular seal bulge on a pin end of the connection and a tapered seal area adjacent a secondary box shoulder of a box end of the connection. The annular seal bulge is coined on contact with the tapered seal area on initial make-up of the connection which provides a metal-to-metal seal that is very resistant to high-pressure fluid leakage even after the connection is subjected to extreme shear and tensile stresses.

Abstract: A faucet-mounted filter system includes a body forming a fluid chamber having a water inlet, a quick connect device positioned adjacent the water inlet for mounting the filter system to a water faucet, a filtered water flow path disposed within the body and in fluid communication with the water inlet, an unfiltered water flow path disposed within the body and in fluid communication with the water inlet, a diverter valve disposed within the fluid chamber and operable to open and close the filtered and unfiltered water flow paths, a seal, an actuator engaging the diverter valve to open and close the filtered and unfiltered water flow paths, a flow meter connected to the body and in fluid communication with the filter flow path, a filter housing connected to the body and having a reservoir, and a filter cartridge disposed within the reservoir.

Abstract: Vacuum tube railway system comprising a vacuum tube mounted on a ground support, a magnetic levitation railway track mounted inside a wall forming the vacuum tube for guiding a magnetic levitation railway vehicle, the vacuum tube assembled in sections along the ground support, at least some of a plurality of sections of vacuum tube being coupled together by a dilatation joint configured for hermetically sealing a dilatation gap between said sections of tube. The dilatation joint comprises at least first and second support plates mounted on an outer surface of the tube wall, a first support plate fixed to a first section of vacuum tube and a second support plate being fixed to a second section of vacuum tube, the support plates extending longitudinally over the dilatation gap over a length (L1) greater than a maximum dilatation gap (G).

Abstract: A threaded connection for steel pipes having improved sealing performance is provided. A threaded connection (10) for steel pipes includes a pin (10) and a box (20). The pin (10) includes a nose (11), a pin shoulder surface (12), a pin sealing surface (13) and a male thread (14). The box (20) includes a box shoulder surface (22), a box sealing surface (23) and a female thread (24). When the position of the portion of the pin sealing surface (13) that first contacts the inner periphery of the box (20) during make-up defines a seal position (P), the distance between the seal position (P) and the end of the male thread (14) adjacent to the pin sealing surface (13) as measured in the pipe-axis direction is denoted by x, and the distance between the tip of the pin (10) and the end of the male thread (14) adjacent to the pin sealing surface (13) as measured in the pipe-axis direction is denoted by L, then, x/L is not smaller than 0.4 and not larger than 0.55.

Abstract: A probe seal for a female hydraulic coupling member has both internal and external pressure-energized seals. The outer wall or opposing ends of the seal have one or more pressure-energized seals for sealing between the body of the probe seal and the body of a coupling member in which the probe seal is installed. Annular, L-shaped, T-shaped or angled grooves in the inner wall of the seal form cavities and sealing projections that can be urged in an inward, radial direction by fluid pressure within an associated cavity to increase the sealing effectiveness between the body of the seal and the probe of a male hydraulic coupling member inserted in the receiving chamber of the female coupling member.

Abstract: A masticating juicer (10), including a housing (20) with a mastication chamber (30) and a food chute (40), the food chute defining a feeding chamber (50) positioned above the mastication chamber. The food processing apparatus further includes a food pusher (60) configured to be insertable into, and removable from, the feeding chamber. The food chute includes a flexible sealing member (80) that extends from the food chute into the feeding chamber. The flexible sealing member configured to engage the outer circumference of the food pusher when the food pusher is inside the feeding chamber, thereby preventing the back flow of food and juice through the food chute.

Abstract: A hand-held high-pressure cleaning machine includes: a housing, having a handle for grasping; functional components, including a motor and a pump driven by the motor; and a liquid inlet, disposed on the housing and capable of being connected to an external water source by a water pipe. The hand-held high-pressure cleaning machine further includes an adapter suitable to be connected between the liquid inlet and a portable container, and is connected to the external water source by the water pipe or connected to the portable container by the adapter. In the present invention, the portable container configured to hold liquid is mounted to the hand-held high-pressure cleaning machine by using the adapter, so that it can be flexibly moved together with the hand-held high-pressure cleaning machine. The present invention further provides an adapter suitable to be connected between a portable container and a hand-held spraying device.

Abstract: A connector is used to connect a gases supply to a user. The user can be fitted with an interface, such as a cannula, while the gases supply can include a conduit. The connector interfaces between the conduit and the interface. The connector has a female assembly and a male assembly that connect together, such as by push fit. The male assembly includes an inner portion sized and configured to mate with a first female connector and an outer portion sized and configured to alternatively mate with a second female connector.

Abstract: A threaded joint is constructed of a pin and a box. The pin includes, in order from an end thereof, a shoulder surface, a nose portion, a first sealing surface, a first male threaded portion, an annular portion, a second sealing surface, and a second male threaded portion. The box includes a shoulder surface, a recessed portion, a first sealing surface, a first female threaded portion, an annular portion, a second sealing surface, and a second female threaded portion. In the threaded joint, in a fastened state, the shoulder surfaces are in contact with each other, the first sealing surfaces are in contact with each other, the second sealing surfaces are in contact with each other, a clearance is provided between the nose portion and the recessed portion, a clearance is provided between the annular portions.

Abstract: An embodiment of the invention may include a sealing apparatus. The sealing apparatus may include a first component having a body, where the body has an outer surface and a first arm protruding from the outer surface. The first arm includes an inner surface facing the outer surface of the body. The sealing apparatus may include a second component engaged by the first arm of the first component. The second component may have a first portion arranged inside a space between the inner surface of the first arm and the outer surface of the body and a second portion arranged outside of the space and adjacent to an outer surface of the first arm.

Abstract: A tool for positioning a flat ring for installation of the flat ring at the end of a cylindrical body. The tool is particularly useful for the installation of gaskets between CF flanges. The tool is configured as a collar that is placed around one of the flanges, with fingers that extend to contact the outer rim of the gasket. The collar is placed around the flange, and the fingers hold the gasket in place until the second flange is moved into position and is bolted finger-tight to the first flange. At this point, the two flanges hold the gasket in place, and the collar is removed.

Abstract: Fluid connector assembly and methods are usable to establish a sealed fluid connection. The connector assembly comprises a female union connector having an axial bore extending therethrough, internal threads, and an internal shoulder. The connector assembly also comprises two male connectors, each male connector having an axial bore extending therethrough and external threads. The connector assembly further comprises two ring-shaped seals adapted to form a fluid seal between the female union and the male connectors. The first seal contacts the first side of the internal shoulder and a front end of the first male connector to form a fluid seal therebetween. The second seal contacts the second side of the internal shoulder and a front end of the second male connector to form a second fluid seal therebetween.

Abstract: A pipe ram joint includes first and second couplers that can comprise rings for mounting to the ends of respective pipes or formed in the ends of these pipes. The first coupler can comprise a female ring with a first tooth adjacent to a distal end thereof and a first groove spaced from the distal end. The second coupler can comprise a male ring with a respect second tooth and second groove. When the pipes are rammed together, the first tooth is positioned in the second groove and the second tooth is positioned in the first groove. The couplers have features that reduce the force required to ram the pipe sections together.

Abstract: A swivel joint includes a tubular female member which is rotatably connected to a tubular male member. The female member includes a female race portion having an axially extending inner annular recess, a female inner end portion which is formed at an axially inner end of the recess, and a number of inner annular grooves which are formed in the recess coaxially therewith. The male member includes a male race portion having an annular outer surface which is configured to be received in the recess, a male nose portion which is formed at an end of the male race portion, and a number of outer annular grooves which are formed on the outer surface coaxially therewith.

Abstract: A bayonet style connector and methods for using the connector are provided. The bayonet style connector is particularly capable of single-handed manipulation by a user. It comprises a cylindrical housing; a boss and a locking boss on the outer surface of the cylindrical housing; and a handle. The locking boss is configured to resiliently move relative to the cylindrical housing, and the handle is configured to move the locking boss.

Abstract: The snow melting mat includes an elongate, substantially flat sheet of a desired length connected to a recirculation header at one end and a circulation header at the opposite end. The sheet includes a plurality of channels defined inside the sheet. The channels permit heated liquid to circulate along the length of the sheet. A heater-pump heats the liquid that maintains the temperature of the sheet at several degrees above freezing and pumps the liquid through the recirculation header, the sheet, and the circulation header. A plurality of transverse grooves is formed on the top of the sheet to provide a gripping, walking surface. The grooves taper in depth to permit melted snow and ice to run off the sides of the sheet. Couplers and joints permit multiple sheets to be joined together in any desired pattern.

Abstract: The rotary joint for a high pressure fluid, comprising a stator body, a rotor body, a fluid seal interposed between the stator body and the rotor body, and a friction reducer interposed between the stator body and the rotor body, the friction reducer comprising at least a first plain bearing for sustaining axial loads, and at least a second plain bearing for sustaining bending loads, the first and second bearings being made of a polytetrafluoroethylene-based (PTFE) material.

Abstract: A downhole fluid properties optical analysis probe (1) to analyze at least one property of a multiphase flow mixture (100) flowing in a hydrocarbon well (51) has an elongated cylindrical body shape. It comprises an optical tip (5) at one end of the elongated cylindrical body arranged to be in contact with the multiphase flow mixture (100). It further comprises an optical link (6) adapted for a connection with an electronics module (11) at another end of the elongated cylindrical body arranged to be separated from the multiphase flow mixture (100). The optical tip (5) is coupled to the optical link (6) through a removable and watertight coupling (7).

Abstract: A threaded joint for pipes including a pin and a box, characterized in that the relationship 0.05 degrees??sb??sp?2.0 degrees is satisfied, where ?sb is an angle of an insertion surface of the female thread on the box side relative to a plane perpendicular to an axis of pipe, and ?sp is an angle of an insertion surface of the male thread, which faces the insertion surface of the female thread, on the pin side relative to the plane perpendicular to the axis of pipe.

Abstract: A grip and fitting assembly for coupling an air hose to a gladhand coupler. The grip is flexible and tapered with a tubular interior through which may pass a length of hose shielded and protected by the grip. The grip is affixed to a fitting attachable to the gladhand coupler on a first threaded end thereof and attachable to the air hose on a second barbed end thereof. The grip is configured with one or more internal keyway boss which aligns and interlocks with one or more corresponding keyway recess on a retaining shoulder formed between the ends of the fitting.

Abstract: A bracket assembly for coupling an implement to an arm of a machine includes a bracket with a plate and a bushing. The plate includes an opening having an inner wall including a number of engagement structures arranged along an axial direction of the opening. The engagement structures are longitudinally spaced apart from each other. The bushing is adapted to be inserted and positioned into the opening. The bushing includes a cylindrical portion with an outer surface, an end, and a plurality of mating structures arranged on the outer surface, along an axial direction of the cylindrical portion. The mating structures are longitudinally spaced apart from each other. An engagement between the engagement structures and the mating structures facilitate multiple positions of the end relative to the plate.

Abstract: A pipe gasket is positioned within a pocket in a socket portion of a first end of a first pipe and the end of a spigot pipe is inserted into the socket with the gasket sealing the gap between the pipes. The gasket in one form comprises a blunt rounded nose portion, a central body portion with an insert embedded therein and a rear sealing portion comprising first and second projections, such as fins, that diverge and respectively engage the first pipe and the second pipe.

Abstract: A seal assembly is provided that includes a protective shroud to protect a sealing element from hazardous elements and/or a hazardous environment.

Abstract: A sealed threaded tubular connection resistant to successive pressure loads includes a male element including a male threading and a female element including a female threading corresponding to the male threading. At least one of the elements includes a lip extending beyond the threading to the free end of the element and the other element includes a recess for the lip. The lip includes a first zone with a peripheral surface turned towards the other element on which a first sealing surface is disposed that can be radially interference fitted against a corresponding second sealing surface disposed on the peripheral surface of the recess of the other element. The lip includes a second axially located zone between the first zone and the free end of the element that includes a first radial bearing surface turned towards the other element in contact with a corresponding second radial bearing surface disposed on the peripheral surface of the recess of the other element.

Abstract: A threaded coupling for joining tubulars for oil and gas field operations forming connected tubulars. The threaded coupling has a body with an outer surface, an inner surface and a central axis, a first tapered edge, a second tapered, and a first coupling bearing face and second coupling bearing faces for supporting load, weight, or both on the connected tubulars. As the inner surface of the body is swaged onto each tubular, the inner surface of the body deflects away from the central axis, providing a plurality of bands of high contact pressure for each metal to metal seal between the inner surface of the body and each connected tubular to sustain seal pressures between the threaded coupling.

Abstract: An axially split pump for a fluid includes an axially split housing with a bottom and a cover, a rotatable shaft, and a side cover. The side cover has a first surface for cooperating with a second surface. The second surface extends over the bottom and the cover. The bottom has a first sealing surface and the cover has a second sealing surface. The bottom and the cover can be fastened so that the sealing surfaces are in direct contact. One sealing groove is in one of the sealing surfaces for the reception of a string-like sealing element, the sealing groove extending up to the second surface. A recess surrounding the shaft is in the second surface and a projection surrounding the shaft is in the first surface. The recess and the projection are arranged so that they form a ring-like groove for the reception of a ring-like sealing element.

Abstract: A pipe coupling includes a sleeve and a clamping ring. The sleeve includes a flange at least one end. The clamping ring is mounted to the flange. The clamping ring carries a seal and includes two spaced apart bolt engagement portions. The clamping ring further includes two separate clamping ring portions that are removably connected together at a coupling portion of each respective separate clamping ring portion so that each clamping ring portion is separable from the other one. The two separate clamping ring portions function as a unitary ring when the coupling portions are brought into abutting contact such that the coupling portions are fixed relative to each other.

Abstract: The present invention relates generally to a kit for coupling a first pipe to a second pipe. The kit includes an elastomeric coupling sleeve provided with top and bottom ends sized to snugly fit within the respective first and second pipes. The coupling sleeve includes top, intermediate and bottom portions and an inner surface that defines a passageway. A first passageway portion extends between the top and intermediate portions and a second passageway portion extends between the intermediate and bottom portions. The first passageway portion tapers toward the intermediate portion and has threading formed along the inner surface. The second passageway portion tapers toward the intermediate portion and has threading formed along the inner surface. The kit also includes top and bottom rigid expansion rings that have threading formed along their outer surfaces configured for engagement with the threading formed along the inner surface of the first and second passageway portions, respectively.

Abstract: The present invention is a quick connect receiver adapter assembly for an automatic or semi-automatic rifle, specifically the AR-15 assault rifle. The adapter system is used to quickly exchange barrels on an AR-15 rifle platform, and allows the user to convert the AR-15 from a single caliber weapon to a multi-caliber weapon. The system has a receiver attached portion comprising a three piece locking ring assembly, and separate barrel adapter assembly which can be attached to any caliber barrel suitable for use with the AR-15 assault rifle.

Abstract: A swivel joint comprises a tubular female member which is rotatably connected to a tubular male member. The female member includes a female race portion having an axially extending inner annular recess, a female inner end portion which is formed at an axially inner end of the recess, and a number of inner annular grooves which are formed in the recess coaxially therewith. The male member includes a male race portion having an annular outer surface which is configured to be received in the recess, a male nose portion which is formed at an end of the male race portion, and a number of outer annular grooves which are formed on the outer surface coaxially therewith.

Abstract: A liquid-tight strain relief includes a tubular-shaped bushing and a dome-shaped gland. The bushing includes a flange, a centrally-located aperture, a plurality of resilient outer fingers, and a plurality of resilient inner fingers extending from an inner wall into the aperture. The gland includes a head having a centrally-located membrane. The head is co-molded with and encapsulates the flange, resulting in a strain relief having a unitary construction. The strain relief is adapted to be inserted within an orifice of a work piece, and the outer fingers frictionally engage the work piece. A cable is inserted within the strain relief by piercing the membrane, which stretches and provides a seal against the cable. The cable is inserted through the aperture of the bushing and the resilient inner fingers flex outwardly to enable the cable to pass through, while engaging and digging into the cable to clasp it and provide strain relief.

Abstract: A pipe coupling includes a clamp housing including at least one end having two opposing clamp members and one or more tightening elements for tightening the clamp members towards each other in a direction transverse to an axial length of the clamp housing so as to apply a radially-inward clamping force on a pipe being clamped in the clamp housing. An at least partially annular seal is mounted in the at least one end of the clamp housing. The seal has a folded-inwards configuration in which a foldable portion of the seal is folded inwards to create a first inner diameter, and a folded-outwards configuration in which the foldable portion of the seal is unfolded outwards to create a second inner diameter larger than the first inner diameter.

Abstract: A duct coupler has a body with an inner wall with a first channel and a second channel formed in the inner wall, a first seal received in the first channel, and a second seal received in the second channel. The body has a first open end suitable for receiving a first duct therein and a second open end at an opposite end thereof suitable for receiving the second duct therein in longitudinal alignment with the first duct. The first seal is suitable for bearing on an outer surface of the first duct. The second seal is suitable for bearing on the outer surface of the second duct. The body fixedly locks the first and second ducts therein such that the ends of the ducts are adjacent to each other and such that the body forms a liquid-tight seal with outer surfaces of the ducts.

Abstract: An electrical submersible pump assembly has modules including a pump, a motor, and a pressure equalizer. A first adapter having threads is mounted to one of the modules. A second adapter is mounted to an adjacent one of the modules, the second adapter having a tubular body, a neck, and an external shoulder at a base of the neck. A collar is rotatably carried on the neck and in threaded engagement with the threads of the first adapter. A clamp secures around the neck between the external shoulder and the collar after the collar is fully engaged with the threads on the first adapter. A pair of flanges are mounted to and extend outward from the clamp. A motor lead locates between the flanges.

Abstract: There is disclosed a flange fitting for a pipe comprising: a flange ring for locating around the pipe and having a plurality of angularly spaced fixing holes; and a retaining ring for locating around the pipe within a groove in the outer surface thereof which in use restricts axial movement of the flange ring on the pipe; wherein the retaining ring has a plurality of angularly spaced reduced-profile sectors in regions corresponding to the positions of the fixing holes.

Abstract: A constructive arrangement in mechanical coupling device applied in vehicles for tow traction is described comprising a square tubular structure (10) arranged horizontally provided in its ends by through-holes (11) receiving the fastening fitting structures (20) next to the vehicle chassis, said square tubular structure (10) showing in the central portion a set of fastening through-holes (12) of a “T”-shaped structure (30) enabling to fit an end cap (40) in a sinuous shape, describing technical improvements by reducing the number of parts, simplifying the constructive process and fast coupling system between the bracket and the end cap, facilitating the use, manufacture, installation, and maintenance of the equipment.

Abstract: In a threaded joint for steel pipes comprising a pin (1) and a box (2), each having a threaded portion (11 or 21), a sealing surface (13 or 23), and a shoulder surface (14, 15 or 24, 25), the sealing surface (13) of the pin (1) is formed by a tapered surface, and the sealing surface (23) of the box (2) is formed by a first curved surface portion with a large radius of curvature in the range of 15-120 mm, a tapered surface portion, and a second curved surface portion with a large radius of curvature again in the range of 15-120 mm.

Abstract: An apparatus for covering or sealing Storz-type outlets is shown and described. The apparatus includes an outer cap portion having a continuous sidewall, a connector portion for connecting the outer cap portion to the water supply assembly and a sealing cap portion rotatably coupled to the outer cap portion and located at least partially within a void defined by the continuous sidewall, the sealing cap portion including a pliable sealing portion for forming a seal about the water supply outlet. The connector portion includes a pair of lugs and a pair of ramped lug guides associated with an inner surface of the continuous sidewall. The pair of ramped lug guides are provided for receiving a pair of lugs of the water supply assembly. A nut portion extends from an outer face of outer cap portion for engagement by a tool such as a wrench or socket for rotating the outer cap portion about the water supply outlet.

Abstract: An apparatus for covering or sealing Storz-type outlets is shown and described. The apparatus includes an outer cap portion having a continuous sidewall, a connector portion for connecting the outer cap portion to the water supply assembly and a sealing cap portion rotatably coupled to the outer cap portion and located at least partially within a void defined by the continuous sidewall, the sealing cap portion including a pliable sealing portion for forming a seal about the water supply outlet. The connector portion includes a pair of lugs and a pair of ramped lug guides associated with an inner surface of the continuous sidewall. The pair of ramped lug guides are provided for receiving a pair of lugs of the water supply assembly. A nut portion extends from an outer face of outer cap portion for engagement by a tool such as a wrench or socket for rotating the outer cap portion about the water supply outlet.

Abstract: A pipe connector fitting comprising a body comprising a longitudinal axis, a throat, opposed side walls, an upstream end and a downstream end, a bore defined by the body, a plurality of internal metal threads disposed within the body, an elongate gasket comprising a non-round cross-section, and a gasket retention area defined by the body, sized and dimensioned to accept and retain the gasket when the gasket is non-compressed and fully compressed and the gasket is never allowed to escape the gasket retention area into the throat of the body, the gasket retention area comprising a flat gasket retention surface disposed perpendicular to the longitudinal axis of the body, the gasket disposed within the gasket retention area, wherein, when a threaded male fitting is threadedly disposed within the body, the threaded male fitting can be rotated 360 degrees while remaining continuously fluid tight for pressures in excess of 300 psig.

Abstract: The described embodiments provide a subsea connector that is a quickly deployable and reusable. The subsea connector comprises a male and a female assembly that can be connected and disconnected. The male assembly includes a shaft, a sleeve that surrounds the shaft, and bars that are connected to the shaft and are configured to rotate about one axis. The female assembly includes a receptacle into which the male assembly can fit. Once the male assembly is inserted into the female assembly, the bars can rotate into such a position that the male and female assemblies are connected together. The bars can also be rotated such that the male and female assemblies can be disconnected.

Abstract: A tubular joint has first and second tubular members, a metallic seal ring between the tubular members and having sealing surfaces designed to mate with corresponding sealing surfaces of the tubular members to form a primary seal, an additional seal provided between the tubular members radially outwardly of the primary seal, a fluid channel having an outlet opening in an end surface of the first tubular member radially outwardly of the primary seal and radially inwardly of the additional seal, and annular seal members interposed between the seal ring and the tubular members radially outwardly of the primary seal and radially inwardly of the outlet opening.

Abstract: A component used for drilling and operating hydrocarbon wells which is substantially tubular in form, and including a first end configured to be connected to a second end of another component also used for drilling and operating hydrocarbon wells. The first end includes a terminal portion including a first abutment surface configured to cooperate by interference with a corresponding abutment surface on the second end, and including a sealing surface configured to cooperate by interference with a corresponding sealing surface on the second end, the terminal portion being preceded by a threaded zone configured to be made up into a corresponding threaded zone of the second end. A compressible volume is provided in the thickness of the first terminal portion and partially beneath the sealing surface, to reduce radial stiffness of the terminal portion by at least 20%, while conserving at least 60% of axial stiffness.

Abstract: An adapter sleeve includes a main body having a through opening formed therethrough, so as to be assembled to a water pipe, the main body having an outer threaded portion formed on an outer surface thereof, the through opening having a first portion and a second portion, a diameter of the first portion of the through opening larger than that of the second portion, a step portion defined by the connecting site between the first portion and the second portion, the first portion having an inner threaded portion formed on an inner surface thereof, the second portion having a ring groove formed around an inner surface thereof, a ring member positioned on the ring groove.

Abstract: A swivel coupling is provided for a waste disposal system having a first waste disposal component and a second waste disposal component. The swivel coupling comprises a first coupling portion having a first end and a second end, the second end being configured for connection to the first waste disposal component, and a second coupling portion having a third end and a fourth end, the fourth end being configured for connection to the second waste disposal component. The first end is rotatably connected to the third end such that when the second end is connected to the first waste disposal component and the fourth end is connected to the second waste disposal component, the first and second coupling portions are rotatable relative to one other.

Abstract: A device configured to protect a female end of a component of a threaded tubular connection for drilling and working a hydrocarbon well, including an internal threading, an annular end, and internal surfaces respectively upstream and downstream of the internal threading and respectively having first and second selected orientations. The device includes a body including an external threading to cooperate with the internal threading and first and second flexible annular sealing elements respectively upstream and downstream of the external threading to provide first and second seals respectively at the internal and end annular surfaces.

Abstract: A coupling includes at least one segment, each segment including at least one inner surface, at least one outer surface, at least two ends, and a fastener pad protruding proximate to each end, each fastener pad defining a fastener hole, each fastener hole having an axial length and a transverse length, wherein the transverse length is longer than the axial length; an annular gasket contacting the inner surface of at least one segment, the annular gasket including at least one sealing surface directed radially inwardly and an outer surface directed radially outwardly; and at least one fastener disposed within at least one fastener hole, each fastener including a head portion and a shaft portion, each shaft portion including at least one of a threaded portion, a shank portion, and a collar portion, wherein at least one portion of the shaft portion is sized to engage at least one fastener hole.