Abstract: A method for connecting at least a first component (1) and a second component (2) together, wherein each said component (1, 2) comprises at least one keyway arrangement extending along the component (1, 2) and keyways (11, 13) of the keyway arrangement are spaced apart from one another. The method comprises the steps of: aligning the keyway arrangements of the first and second components (1, 2) such that the keyways (11, 13) intermesh to provide a continuous keyway passage extending longitudinally between the intermeshed keyways (11, 13); and, extending a keyway connector (3) comprising an arrangement of keys longitudinally within the continuous keyway passage such that the keys are retained by the keyways (11, 13) of the keyway arrangements.

Abstract: A mating connection assembly of the present invention permits quick and efficient connecting and disconnecting of tubular goods. A female box-end connection member has an inner body defining sockets; ball bearings held within such sockets with an outer sleeve. A male pin-end connection member is inserted within the box end connection. By moving the outer sleeve axially, the ball bearings are urged inward toward the male pin-end connection, creating a frictional locking relationship between the female box-end connection member and male pin-end connection member.

Abstract: An adjustable bent housing includes a tubular member with a first engagement means and an adjustment ring with a second engagement means. The first engagement means has a plurality of sockets in a first region of the annular end face of the tubular member, and a plurality of locking pins projecting from a second region of the end face. The second engagement means has a plurality of sockets in an annular end face of the adjustment ring, configured to receive the locking pins. The second engagement means further includes an indexing pin projecting from the adjustment ring end face, and receivable within any socket of the first engagement means when the locking pins are disposed within corresponding sockets of the second engagement means. The adjustment ring is longitudinally movable relative to the tubular member to permit relative rotational adjustment therebetween and configured to prevent over-rotation of the adjustment ring.

Abstract: A threadless connection for coupling segments of pipe longitudinally end to end includes a pin end having a groove for receiving therein a locking ring. A box end has a groove for receiving the locking ring therein when the pin end is inserted into the box end. The locking ring has an uncompressed diameter selected to exert lateral force on the groove in the box end when assembled to the pin end.

Abstract: An extrusion resistant ring that is radially expandable and contactable to accommodate the relative movement of two joined bodies relative to each other. The extrusion resistant ring in combination with an elastomeric diaphragm provides a high pressure seal for down-hole oil drilling apparatus.

Abstract: A modular coupling system comprises a connector (200, 201) having a generally cylindrical center section (224) with a bore (208) extending from a front face (206) of the connector (200, 201) through to a back side of the connector. The connector (200, 201) has a first (220) and a second wing (222) extending from the generally cylindrical center section (224) of the connector (200, 201). A first flange (202) extends from a front side of the first wing towards a top side of the connector (200, 201), and a second flange (204) extends from a back side of the first wing towards a bottom side of the connector (200, 201). A third flange (202) extends from a front side of the second wing towards the bottom side of the connector (200, 201), and a second flange (204) extends from a back side of the first wing towards the top side of the connector (200, 201).

Abstract: A connecting piece for a tubing including a first unit and a second unit is provided. The first unit includes a first connecting element for a tubing element and a second connecting part for the second unit. The second connecting element includes a tubular female part for engagement with the second unit and first sealing elements, and the second unit includes a tubular male part with a collar and second sealing elements for cooperating with the first sealing elements. The first and second units further include separator elements. The first sealing elements and the second sealing elements are configured for mutual locking engagement by moving a male part and a female part axially towards each other.

Abstract: A tubular connection including a first joint having outer threads and an inner bore, and a second joint having outer threads and an inner bore. The tubular connection further includes an outer nut having inner threads that cooperate with the outer threads of the first joint and the second joint. The tubular connection further includes an inner sleeve positioned within the first inner bore and the second inner bore. In one embodiment, the first inner bore contains a first groove having a first seal disposed therein and the second inner bore contains a second groove having a second seal disposed therein, wherein the first and second seals prevents a pressure from exiting the first and second inner bore.

Abstract: Vanes are generally hollow with a passage through which service pipes extend. These service pipes must be connected such that they can allow for thermal expansion and contraction but also anti rotation features are needed in order to prevent damage when a supply coupling is connected through a pipe end. This anti-rotation feature is generally provided between a top hat and a pipe end through flanges. In order to allow reduced spacing between the top of the vane and a casing the flanges are arranged to allow at least recessing of a first flange into a passage opening profile whereby those flanges inter-engage with second flanges at a surface interface to prevent rotation.

Abstract: A coupling for mechanically connecting modular tubular struts of a positioning apparatus or space frame, comprising a pair of toothed rings (10, 12) attached to separate strut members (16), the teeth (18, 20) of the primary rings (10, 12) mechanically interlocking in both an axial and circumferential manner, and a third part comprising a sliding, toothed collar (14) the teeth (22) of which interlock the teeth (18, 20) of the primary rings (10, 12), preventing them from disengaging, and completely locking the assembly together. A secondary mechanism provides a nesting force for the collar, and/or retains it. The coupling is self-contained and requires no external tools for installation, and can be assembled with gloved hands in demanding environments. No gauging or measured torque is required for assembly. The assembly can easily be visually inspected to determine a “go” or “no-go” status. The coupling is compact and relatively light-weight. Because of it's triply interlocking teeth, the connection is rigid.

Abstract: A trailer hitch assembly includes a receiver portion including a cylindrically-shaped cavity, a bushing member received within the cavity of the receiver portion, and a hitch member that includes a shaft pivotally received within the bushing member. At least a selected one of the bushing member and the shaft is constructed of a material that substantially eliminates the need for using a separately applied lubricant during use of the trailer hitch assembly.

Abstract: A tubing connection for coupling two or more joints of tubing sections is disclosed comprising a plug assembly and a socket assembly. The plug assembly has a plurality of splines and the socket assembly has a plurality of receptacles adapted to receive the plurality of splines. The plurality of splines comprises a center spline and a plurality of outer splines configured to allow intermeshing with receptacle splines in a plurality of orientations. A coupling collar is used to secure the tubing joint. The plug assembly is connected to the socket assembly in a four-step process of: positioning the assemblies in close proximity, aligning the spline and the receptacle, plugging the spline into the receptacle, and then securing the two sections together with the coupling collar. The tubing joint may also have at least one conduit that may contain a wire or other material for transmitting power and data between the adjoined sections of tubing.

Abstract: A coupler for use in joining two pipes in a butt joint. The coupler includes a band clamp and a split sealing sleeve disposed inside the band clamp for encircling the abutted ends of the pipes. The split sealing sleeve has a tongue-and-groove sealing joint at the confronting free ends of the sleeve. The sealing joint has a member at the mating edges to provide a resilient interference fit of the tongue-and-groove.

Abstract: A rod and tubing connection for coupling two or more joints of tubing sections comprises a plug and a socket. The plug has a plurality of splines and the socket has a plurality of receptacles adapted to receive the plurality of splines. The plurality of splines comprises a center spline and a plurality of outer splines configured to allow intermeshing with receptacle splines in a plurality of orientations. A coupling collar is used to secure the tubing joint. The plug is connected to the socket in a four-step process of: positioning the plug and socket in close proximity, aligning the spline and the receptacle, plugging the spline into the receptacle, and then securing the plug and socket together with the coupling collar. The tubing joint may also have a conduit containing a wire for transmitting power and data between the adjoined sections of tubing.

Abstract: An improved system and method for mounting an air dryer is provided. The improved system and method employs a single centralized special fitting that secures the air dryer manifold to a reservoir. The bore in which the fitting is disposed is used to communicate air from the reservoir to the air dryer in order to purge the desiccant in the air dryer. The mounting assembly includes anti-rotational mechanisms which prevent the air dryer from rotating about its axis. The mounting assembly may also include a reservoir and a mounting bracket for the reservoir which uses less than 75 percent of a truck mounting rail height.

Abstract: The system permits two tubular parts (1, 2) to be assembled, the assembly being able to be locked or released, without a cumbersome device being required. It includes in particular a toothed crown (10, 20) on each of the two tubular parts (1, 2), each with a series of teeth (11, 21) disposing of straight radial shoulders (12) on the first toothed crown and angled shoulders (22) on the second toothed crown. This assembly is completed by a locking ring (30) disposing of teeth (31) designed to fit between the shoulders (12, 22) of the two crowns, once they have interlocked. Turning the locking ring (30) allows, using the angled locking faces (33) of the teeth (31), the two tubular parts (1, 2) to be locked together. A locating ring (40) may be used to center the parts and receive the shear loads due to a transversal mechanical change. The system may be applied for large tubular part assemblies that need to be dismantled.

Abstract: A coupler for use in joining two pipes in a butt joint. The coupler includes a band clamp and a split sealing sleeve disposed inside to band clamp for encircling the abutted ends of the pipes. The split sealing sleeve has a tongue-and-groove sealing joint at the confronting free ends of the sleeve. The sealing joint has a member at the mating edges to provide a resilient interference fit of the tongue-and-groove.

Abstract: An air dryer assembly and mounting bracket for mounting an air dryer to a vehicle. The air dryer assembly has a manifold and a canister which seal against the surface of the mounting bracket. Orientation pegs are provided along the sealing surface of the air dryer manifold and receive corresponding indented regions in a cut out region in the mounting bracket. By providing a number of orientation pegs on the surface of the manifold, a number of mounting orientations for the air dryer assembly can be achieved.

Abstract: A riser assembly includes riser segments, each having threaded ends. A coupling nut is connected to the threaded end of the first riser segment. The threads of a second riser segment and a set of corresponding threads of the coupling nut are breech threads, which allow the second riser segment to stab into the coupling nut and engage the first riser segment. The coupling nut rotates a portion of a turn in order for the breech threads of the second riser segment and the first riser segment to engage each other. Castellations on the first and second riser segments engage each other to transmit torsional forces from one riser segment to the other instead of through the threads.

Abstract: A retrofit fitting for an externally threaded male nut that carries a face seal. The fitting is an adaptor with an internal thread to be threaded onto the male nut and an external thread to receive a female nut. The fitting carries a plurality of blades that engage matching blades on a cage engaged by the female nut. The cage is compressed against a head that bears the face seal by the female nut, so that relative rotation between the heads and face seals is prevented.

Abstract: A flexible pipe joint apparatus for use in a fluid (e.g., water) transport pipe system for maximally absorbing an external force such as a compression or tensile force applied to a pipe of the fluid transport system due to an earthquake, differential settlement, thermal expansion or contraction of the pipe per se, thus preventing resultant damage at a weak portion of the pipe. The apparatus includes a receiving tubular member and an inserting tubular member insertable into and connectable with the receiving tubular member along a tube axial direction. A stopper portion is formed in an outer peripheral face of the inserting tubular member, the stopper portion projecting radially outward from the outer peripheral face.

Abstract: A submersible well pump assembly using threaded connections, the submersible well pump assembly having a first housing, a second housing, a clamp ring, and at least one anti-rotation member. The first housing has an end having an outer surface, an end face, and a shoulder on that outer surface. The second housing has an end having an outer surface and an end face. The outer surface of the second housing has external threads formed thereon and the end face of the second housing abuts the end face of the first housing. The clamp ring is rotatably and slidably carried on the first housing and has internal threads that engage the external threads of the second housing. The clamp ring also has an internal shoulder that engages the shoulder of the first housing. To keep the connection secure, the assembly has at least one anti-rotation member having a cooperative element on each end of each housing to inhibit rotation of one housing relative to the other.

Abstract: A coupling assembly is provided comprising a first member and a second member. The first member includes an exterior surface having one or more engagement features. The second member includes a portion for receiving a portion of the first member having one or more locking features configured to mate with the engagement features of the first member to prevent rotation of the first member relative to the second member while connected thereto. When the first member is securely retained within the second member, the first and second members comprise a coupling assembly suitable for both low-pressure and high-pressure coupling applications. Further, depending upon the circumstances and intended environment, the second member may be configured with features for quick-connect and/or disconnect from a corresponding first member.

Abstract: A quick-connect coupling for non-rotatably connecting a hose to a male stem member is made of plastic and includes a plastic fitting body on which is mounted a plastic annular cap having depending lugs. The cap is welded or otherwise fixed to the end of the fitting body. A plastic collet is slid into the annular cap. The collet has depending arms which nest between the lugs on the annular cap so that the collet does not rotate. Detents on the arms seat in a groove on the male stem member to retain the stem member within the fitting body.

Abstract: An angle setting pipe structure and fabricating method that using a mechanical coupler for connecting two pipe members at a selected axial angle. The pipe members are being made by roll forming at one end to form an annular pipe groove which has a plurality of spaced pipe teeth. The mechanical coupler has clamping flanges to engage with the pipe groove and a plurality of horizontal spaced teeth extending outward from the clamping flanges for engaging with the pipe teeth. The pipe members thus may be securely connected at a selected angle without the risk of angle skewing.

Abstract: A connector having a stinger and a receiver. The receiver is cocked by applying counter-acting torques to separate sections of the receiver. The counteracting torques compress a spring member. In the cocked position, the stinger is inserted into the receiver. When the counter-acting torques are released, the spring decompresses and locks the stinger in the receiver.

Abstract: A counter torque tube connection which couples a first tube and a second tube in turbine engine. The connection first tube includes a male connector component having a ballnose. The ballnose includes a plurality of protrusions. The connection second tube includes a female connector component having a ferrule end fitting sized to receive the ballnose. The female connection component includes a plurality of protrusions that interfit with the ballnose protrusions. The tubes are coupled by extended a nut over the female component and coupling the nut to the male component. The interfitting protrusions prevent torsional loads applied to the tubes from being transmitted to the nut so that the nut remains secured.

Abstract: A quick-connect coupling for interconnecting only matching fluid delivery and supply lines while preventing the inadvertent connection of mismatched lines where there are matched and mismatched delivery and supply lines. The coupling includes first and second coupling members that are releasably slidably, axially interfitted with their passageways in fluid communication. In the disclosed embodiment of a coupling for use in a chemical extraction system, one coupling member is a male member connected to the supply lines in the typical fifty gallon drum and the other coupling member is a female coupling member connected to the delivery lines. Key coding elements on the coupling members are movable into matched interengagement when the supply and delivery lines are matched but are precluded from moving into matched interengagement when the lines are mismatched.

Abstract: The present invention is direct to a method of connecting a piece of tubing to an outlet manifold of an oxygenator that prevents excessively high positive or negative pressure from forming in the oxygenator and helps to minimize the possibility of misidentifyig the outlet connector. The outlet connector is hollow and substantially cylindrically tubular in shape so that a hollow inner conduit is formed. The outlet connector is in fluid communication with the outlet manifold of an oxygenator through the inner conduit. In one embodiment, the outlet connector has an elongated hole extending through the tubular material of the outlet connector into the hollow inner conduit formed therein. The elongated hole is preferable large enough to be felt by the fingers of the person connecting tubing to the outlet connector. The elongated hole is preferably arrow shaped with the arrow pointing in the direction of fluid flow out of the outlet manifold.

Abstract: A pipe joint for self aligning a drill string, tubing string or casing string of the type comprising a plurality of drill pipe, tubing or casing sections arranged in end to end relation from a location above the ground to a lower location adjacent a tool connected to a bottom end of the string and wherein the adjacent ends of the sections are connected to each other to form a plurality of spaced joints extending downwardly from the ground to the tool, the improvement wherein each joint comprises an upper section having at least one downwardly projecting extension and a lower section having a corresponding recess for receiving the extension and wherein the extension and the recess can fit together in only one way.

Abstract: A filter core unit comprising various number of segments having a wall with a plurality of holes and a means to attach one segment to a second segment whereby the length of the filter core unit can be varied by adding and subtracting segments. A method of connecting one segment to another is also disclosed.

Abstract: In a tube connection, particularly for connecting two tubular elements of the airframe of a substantially tubular a missile, the tubular elements to be interconnected have end portions of substantially identical shapes. Each end portion has a smaller-diameter first circumferential section extending through substantially 180.degree. and a larger-diameter second circumferential section also extending through substantially 180.degree.. The larger-diameter circumferential section of each tubular element overlies the smaller-diameter circumferential section of the other tubular element. The circumferential sections are provided with radial bores for connection screws. Arcuate elements having threaded bores are arranged inside the thus interconnected circumferential sections. These threaded bores are aligned with the radial bores of the circumferential sections and threadedly receive the connecting screws.

Abstract: Mechanical pipe connections are provided by this invention which include an interlocking system between two pipes to be connected within a tubular fitting member. The interlocking system includes male and female portions which mechanically mesh together to form binding contact between the pipes to reduce the individual rotation of the pipes relative to one another.

Abstract: An improved table attachment for lawn chairs and the like comprising a gripping foot having a pair of semi-cylindrical members which are frictionally engageable to clamp about a leg of a chair on which the table attachment is to be mounted, one of the semi-cylindrical members having an externally-threaded neck portion projecting outward and upward therefrom, a tubular angle member having an internally-threaded end mateable with the neck portion and having a the opposite end castellated, a generally fan-shaped table platform having an opening formed adjacent the narrow end thereof for receiving a drinking glass and having a shaft projecting downwardly from the table platform adjacent the narrow end formed with a castellated interior mateable with the opposite end of the angle member.

Abstract: A device for connecting a adhesive foam can to a gun for the application of adhesive foam includes fastening means for fastening the connecting device to the gun, and an external thread for fastening the connecting device to the foam can, and a closing device that makes possible, in the operating state, the escape of the adhesive foam fluid into the gun. The thread has at least two regions of different materials, a first region of a material with flexible anti-adhesion properties and a second region of a material that at least partially ensures precise mechanical guiding of the thread.

Abstract: A device for connecting at least a feed off and return tube to a bung-hole of a container for liquids and the like having threads at its inner periphery, said device comprisinga cylindrical insert having threads at its outer periphery co-operating with the thread of the bung-hole, and a bottom part provided with at least two orifices,a tube mounting having a lower surface to be placed on the bottom of said insert and provided with ports being in communication with said orifices of the insert, anda clamp means to clamp said mounting into said insert,wherein the tube mounting and the insert are provided with lugs and co-operating recesses located according to a certain pattern, wherein a recess is arranged in the wall of an orifice debouching in the bottom of said cylindrical insert, and the co-operating lug protrudes axially out of the tube mounting or vice versa, such that with only two lugs a large number of coding possibilities is provided for.

Abstract: A panel mounted feed-through connector assembly for interconnecting flexible pneumatic hose lines, such as used on air brakes for trucks and other vehicles, has a rigid plate with a plurality of apertures, and a separate and removable feed-through connector is formed with a tubular sleeve and is formed with tabs with interfit with projections formed on the rigid plate so that the connector may be twisted and locked into position. Mutual detents formed on the plate and on the connector cooperate to interlock the connector with the plate.

Abstract: Mechanism (10) for removably securing a die (22) to the flange (18) of a discharge (14) of a cooker (12) is disclosed including first and second connector rings (30, 56). The first connector ring (30) is rotatably mounted to the flange (18) of the cooker (12) by its securement to C-shaped carrier members (38) rotatably mounted to C-shaped collar members (32) secured to the flange (18). The first connector ring (30) includes a plurality of circumferentially spaced, wedge-shaped teeth (46) extending radially inwardly. The second connector ring (56) is secured to the flange (24) of the die (22) and includes a plurality of circumferentially spaced, wedge-shaped teeth (66) extending radially outward. The second connector ring (56) is axially movable such that the teeth (66) thereof pass axially between the teeth (46) of the first connector ring (30) in an unlocked position.

Abstract: A torque transmitting, bicycle frame coupling which connects to the frame tubes, replacing a portion of those tubes and having teeth on their engaging faces. Proper installation of two such couplings allows up to a 25 inch men's style bicycle with up to 700C (26 inch rim diameter) wheels to be cut in two pieces so that it fits in a suitcase with a combined height, width and girth measurement no larger than 62 linear inches and then be put back together with no loss of original frame geometry or stiffness. Each coupling is actuated, pulling the bicycle pieces together and joining them through use of specialized teeth under compression by a threaded lug, a removable-shoulder lug with a removable shoulder and a threaded coupling nut. The removable shoulder makes the nut and shoulder replaceable, and makes possible an additional shoulder on the tube connecting end of the removable-shoulder lug to keep the nut from slipping onto the frame and scratching the paint.

Abstract: Cylinder-to-cylinder attachment method and construction featuring nonutiltion of mechanical fasteners or bonding, especially advantageous for attachment of cylinders which are composite or to be subjected to hydrostatic pressure. A fastening ring is interpositionally and rotatively engaged and aligned with a toothed axial end of each cylinder whereby the inwardly radial teeth for each cylinder appropriately mesh with the outer grooved circumferential surface of the fastening ring. The resultant joint is easily detachable and less susceptible than conventional joints to damage, breakage, degradation, stress concentrations and fluid infiltration.

Abstract: In a compression type union for compressing two tubing segments against an intervening washer, a male nut, a female nut, and a pair of caps, the caps having interengaging tongues and slots. The nuts bear against respective caps, and the caps bear against respective heads of the tubing segments. The caps being non-integral with either tubing segment or with either nut, and there is no interengagement of any kind between the nuts and the tubing segments. The union can be joined without concern for positioning either of the nuts.

Abstract: A flow control apparatus having a pair of substantially identical housings, each having a path for fluid passage therethrough bounded by an annulus; a resilient body; and substantially identical portions borne by the housings releasably engageable to interlock the housings in an assembled configuration with the resilient body captured in the housings between the annuli of the paths for fluid passage.

Abstract: Cylinder-to-cylinder attachment method and construction featuring nonutilization of mechanical fasteners or bonding, especially advantageous for attachment of cylinders which are composite or to be subjected to hydrostatic pressure. A fastening ring is interpositionally and rotatively engaged and aligned with a toothed axial end of each cylinder whereby the inwardly radial teeth for each cylinder appropriately mesh with the outer grooved circumferential surface of the fastening ring. The resultant joint is easily detachable and less susceptible than conventional joints to damage, breakage, degradation, stress concentrations and fluid infiltration.

Abstract: A screwed pipe joint with a bell for connecting two pipes of a drill pipe string.

Abstract: A downhole drilling apparatus which includes a progressive cavity drive train comprising a progressive cavity device and a coupling for converting the complex motion of the rotor into simple rotation. The coupling includes two shafts coupled to one another by joint assemblies connected to opposite ends of an intermediate shaft. The joint assemblies include interleaved annular extensions from the opposite ends of the joint assembly and an elastomer filling the spaces between the annular extensions. The elastomer is highly restrained by the interleaved annular extensions, but is still flexible in shear. The moving components within the coupling are perfectly isolated from the surrounding environment; the joint assembly may further include backup features such as a thrust bearing member and radial pins locking the interleaved portions together.

Abstract: A band (or eyelet) (16 or 17) is crimped onto a cable (12) so as to form at least one flange (18 or 19). The flange (18 or 19) is received in a slot between fingers (23) of a receptacle (20) so as to provide both longitudinal and rotational strain relief.

Abstract: The present invention comprises first and second auger sections having upper and lower ends. The lower end of the first auger section is detachably secured to the upper end of the second auger section. The lower end of the first auger section includes a collar having axially extending indentations and projecting therein. The upper end of the second auger section includes a similar collar having axially extending projections and indentations therein. The two collars are matingly interlocked to prevent rotation of the augers sections with respect to one another. A detachable coupler surrounds the interlocked first and second collar means and holds them against axial movement away from one another. A seal causes the two ends to be sealed with respect to one another so that fluid cannot enter the internal bore of the tube sections.

Abstract: A fuel filler member for vehicles is disposed between and fluidly connects a fuel filler inlet on the vehicle with the vehicle fuel tank. The fuel member includes a first corrugated filler pipe placing the inlet and tank in fluid communication, and a second corrugated breather pipe contained within the first pipe, for conveying air present in the tank towards the fuel filler inlet. The first and second pipes are made of nylon, while the sleeves and/or members connecting the pipes to the filler inlet and tank are made of an acetal resin.

Abstract: A quick-connect coupling for interconnecting only matching fluid delivery and supply lines while preventing the inadvertent connection of mismatched lines where there are matched and mismatched delivery and supply lines. The coupling includes first and second coupling members that are releasably slidably, axially interfitted with their passageways in fluid communication. In the disclosed embodiment of a coupling for use in a chemical extraction system, one coupling member is a male member connected to the supply lines in the typical fifty gallon drum and the other coupling member is a female coupling member connected to the delivery lines. Key coding elements on the coupling members are movable into matched interengagement when the supply and delivery lines are matched but are precluded from moving into matched interengagement when the lines are mismatched.

Abstract: A thermal isolation coupling system for attaching a high-temperature fluid-bearing tube to an aperture in a housing, in which a separate low temperature flow is established. Locking means attaches the tube end to the housing, in a particular desired position relative to the aperture. A tube support member connects the tube end to the locking means and facilitates positioning of the extreme tip of the tube end in the low temperature flow, in substantially non-heat conducting isolation from the aperture and the housing.