Abstract: A prefabricated assembly for forming a high tensile strength pipe connection is formed by providing a metallic muff and pressing one end of a pipe adapter made from plastic material into the muff. The metallic muff has an internal diameter formed with sawtooth projections which penetrate the material of the pipe adapter and the penetration is enhanced by inserting a smooth support sleeve into the pipe adapter, the support sleeve being stiffer than the pipe adapter and operating to effect a positive and frictionally locking connection. The opposite end of the pipe adapter may then be attached by welding or the like with a plastic material pipe to form thereby a tight connection at a utilization site.

Abstract: An adjustable flowline joint having an arcuate bell flange and a flanged assembly including a flange and a ring which are connected by studs and nuts, the assembly flange and ring have facing arcuate surfaces adapted to receive the arcuate bell flange therebetween, the nuts are tightened sufficiently to tension the studs to bring the arcuate surfaces into gripping clamping engagement with the arcuate bell flange and thereby make the joint rigid with metal-to-metal seals, an annular recess between the assembly flange and ring, and means for introducing fluid under pressure into the annular recess, whereby introduction of pressure into the recess increases the tension on the studs to cause sufficient elongation in them to relax the gripping clamping engagement of the surfaces on the arcuate bell flange and allow relative angular movement between the arcuate bell flange and the flange assembly to adjust angular relationship, release of pressure in the recess bringing the surfaces back into gripping engagement wi

Abstract: The apparatus comprises a continuous looped belt (10) having an upper run (11) for carrying a load and a return lower run (12). A single cable (100) is arranged over numerous pulleys to define two spaced parallel upper runs of cable (101) and two spaced parallel lower runs of cable (102) which support the belt runs (11, 12). The belt is broader than the spacing between the spaced runs of cable and seats on top of the cable. A cross-over arrangement (110) provides for the cable to form two identical and parallel cable portions defining the cable runs. All pulleys in one portion are mirrored by co-axial pulleys in the other portion, so that, at any point, the tension in one cable portion is equal to that in the other portion. A double drive roller arrangement reduces scuffing of the cable, so that the whole system substantially reduces wear of the cable.

Abstract: A pipe fitting comprising a first part (1) with a rotatable insert (15) axially located therein by an annular abutment face (19) and having resiliently radically deflectable abutment faces (12a) which are engageable with ends (7a) of notches (7) of a second tubular part (2), rotation of the insert relative to the tubular part (2) enabling the abutment faces (12) to ride out of the notches (7) to permit release of the tubular part (2) from the first part (1).

Abstract: The invention proposes a quick connection which has utility in a wide field, for instance, for connecting fluid lines, electric cables, etc., and comprises an inserted tubular end portion, which is formed near its extreme end with concave recesses serving as detent means, and which is provided with a radially acting locking collar. The second tubular end portion comprises a socket, which contains an inserted locking ring, which has detent fingers, which releasably interlock with the concave recesses of the inserted tubular end portion and are provided on their back side with reversely foldable, thin webs which bear on the inside surface of the socket. Such quick coupling can be resiliently interlocked simply in that the tubular end portions are urged into each other, and can be unlocked only by an angular movement. The coupling is particularly adapted to be connected and disconnected by industrial robots in automated production sequences. The coupling transmits longitudinal forces and is radially locked.

Abstract: A pipeline wherein one end portion of a first metallic pipe fits with annular clearance into the adjacent end portion of a second metallic pipe and the adjacent end portion has an internal groove for a radially and axially deformable ring which is biased radially inwardly and axially by a supply of gaseous, liquid or paste-like medium in the radially outermost part of the groove so that the free end of the adjacent end portion can be welded to the one end portion while the pipes convey a compressed gaseous fluid.

Abstract: This is a novel swivel joint for connecting two fluid conveying conduits. It includes an inner cylinder connected to one conduit and an outer cylinder connected to the other conduit. There is a double seal with a pressure chamber therebetween the two cylinders at one end thereof and a second double seal with pressure chamber therebetween at the other end. Four sets of bearing means are located between the inner and outer cylinders between the two double seals.

Abstract: A quick disconnect cam locking fluid conveying coupling has a hollow male plug with there being an external circumferentially extending peripheral groove formed about the exterior thereof. The plug is received within a hollow socket and the socket has a pair of opposed windows aligned with the peripheral groove. Seal means interposed between the plug and the socket prevents fluid escaping from the coupling apparatus. A pair of cam members each have an operating lever and are positioned adjacent the socket with a cam portion passing through one of the windows and engaging the peripheral groove. A pair of ears is attached to the socket on opposed sides of the windows. A shaft extends through the ears and cam member so that each cam member is pivotally connected to the socket for outward movement of the levers away from the socket to disengage the cam for portions from the peripheral groove, thereby releasing the plug from the socket.

Abstract: A flange connection with a disc-shaped base body of incompressible material disposed between mutually facing planar sealing surfaces of flanges which are to be assembled and connected to one another, the base body being formed with a central bore having a diameter matching an inner diameter of the flanges and formed with at least one annular slot, comprising a compressible sealing insert formed of expanded graphite and received in the annular slot, the sealing insert, before assembly and connection of the flanges, being higher by an amount .DELTA.h than the depth of the annular slot, .DELTA.h being of such value and the annular slot being of such volume that when the sealing insert is compressed more than 100 N per mm.sup.2, with the flange engaging the base body and utilizing the spring-back resilient properties of the sealing insert, the sealing insert after the flanges are assembled, is enclosed on all sides by defining surfaces of the circular slot and by means of the sealing surfaces of the flanges.

Abstract: A hose coupling for permanent attachment to a hose having a reinforcing braid layer intermediate inner and outer layers of rubber or plastic has an outer sleeve which is circumferentially crimped to the hose at at least four axially spaced rings. The coupling includes a smooth walled insert inside the hose engaging the inner surface of the hose.

Abstract: A pipe coupling having an annular gasket deformed and compressed within a closed gasket chamber to form a seal for a pressurized hydraulic line, for example, one wall of the gasket chamber being formed by the outer surface of a pipe end portion which is to be connected either to a second pipe end portion or to a wall port. The axial width of the gasket chamber is determined by an abutment of the end face of the pipe end portion which transmits the abutment force to a threaded clamping sleeve or, as the case may be, to a coupling nut with the aid of a snap ring which engages a peripheral groove of the pipe end portion and a thrust shoulder of the threaded clamping sleeve. The pipe-to-pipe version of the coupling has two annular gaskets inside identical gasket chambers on opposite axial sides of a centering sleeve which surrounds both pipe end portions.

Abstract: A pipe joint for use with oil country tubular goods, such as tubing, casing, and drill pipe, a threaded member adapted to be connected to another threaded member to form such a pipe joint, and a method of making the threaded member are disclosed wherein selected mating threads of the joint and selected threads on the member that are adapted to mate with the threads of another threaded member have less clearance between the load flanks of the selected threads and the mating threads than do the other mating threads of the joint and the other threads of the member, when connected to another threaded member, to cause the selected threads to be stressed initially and to more uniformly stress all of the threads of the joint, when the joint is made-up and when additional external loads are applied.

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 coupling for hoses, pipe and tubing which allows the simultaneous and independent flow of two or more materials through the coupling having of a male coupling portion with two or more circumferential channels terminating in a coupling and having circumferential steps between each channel, a female portion having a like number of circumferential channels terminating in a stepped coupling portion and a by-pass ring having one fewer channels than the male and female portions and insertable between the male and female portions to separate the flow of material.

Abstract: A quick connect coupling (20) for fluid tight connection to a threaded fluid port (22). A body (26) of the quick connect coupling (20) having a cylindrical, externally threaded first end (28) defining an axially extending passage (29) into the coupling body (26). Axially slidable sleeve (42) being mounted on the outside of the coupling body (26) for slidable motion between a seal unassisted position and a seal assisted position, the axially slidable sleeve (42) forcing against an elastomeric seal (30) in the seal assisted position so as to provide a fluid tight seal between an end of the fluid port (22) and the coupling (20).

Abstract: A soundproofed gear box, in particular a toothed wheel gear box with moving mechanical parts connected with a housing over bearing carriers, whereby the housing is provided with mounting feet. The bearing carrier (5, 6) is only connected with the area of the housing remote from the mounting feet (20).

Abstract: This invention pertains to a pipe joint which allows greater joint deflection by the use of a bell stub between a pair of coupled pipes. The bell stub has a bell contour inside and a plain end contour outside.

Abstract: A hermetically sealed connector for a glove box and a method for exchanging such connectors in which leakage of radioactive material from within the glove box is minimized and an auxiliary glove box is not needed to exchange the connectors. The connector is formed as a cylindrical member having a flange portion hermetically sealed to a packing provided in a through hole in the wall of the glove box. To exchange connectors, a nut is removed from the outer end of the old connector and a tube is screwed thereto. The other end of the tube is fitted to the inner end of the new connector. The tube is then shoved through the packing until the flange of the new connector aligns with the packing. The tube is then removed from the inner end of the new connector and a nut is screwed on in replacement for the tube.

Abstract: This invention relates to a coupling device for tubular members (11 and 12), of large truss structures, with a locking collar 20 being the only moving part. Each tubular member is constructed with an end bell section 15 that has a belled flange 17 with a mating face 18, and a necked area 16 which is smaller in diameter than the tubular members to be joined. A split ring 30 is affixed to each tubular member and is constructed so that then two tubular members are laterally moved into axial alignment and collar 20 is rotated thereover, the split ring loads the joint with axial force by pressing the belled flange mating surfaces together, and a preloading force is provided by the collar 20 mating with a taper on the outside of the split rings. All free play is thereby removed by preloaded force. A major object of the invention is to provide an ability to remove and replace individual tubular members without disturbing other structural parts of a truss structure.

Abstract: A device for connecting one liquid chromatography device to another. The device comprises an elongated, cylindrical shaft having an integral ferrule seat at each end of the shaft. A central bore extends through the shaft and the integral ferrule seats to permit liquid to pass therethrough. An enlarged collar is located centrally on the shaft to aid in attaching the device to chromatography equipment. Because of the short length of the device and minimum size of the central bore, the device has a minimum of interceding volume so that the efficiency of connected devices is uneffected.