Abstract: A metal reinforcement band is embedded around the inlets and outlets of a valve to help prevent cracking the plastic bodies of the inlets and outlets. This metal band is embedded in between an outer diameter and a threaded inner diameter of the inlets and the outlets of a valve by an injection molding process.

Abstract: The invention relates to connectors for casings used in high temperature wells. The connectors of the present invention may be used for connecting casing segments of geothermal or oil wells. The connector is simple in design and able to take up thermal expansion due to temperature change when high temperature media starts to flow through the casings and when the well needs to be cooled down for maintenance. The connector of the present invention uses a new sealing mechanism for preventing leaking during operation.

Abstract: A toothed disk for fastening a feedthrough-plug-connected media line. The toothed disk includes a circular insertion opening that is defined at a periphery of the insertion opening by elastic holding teeth, separated from each other by respective slots. In the axial direction, the holding teeth extend at an angle to a longitudinal axis that is perpendicular the plane of the insertion opening. Each holding tooth is connected to an outer mounting section by at least one connecting web. Punch-outs are formed between the connecting webs. A mounting section is arranged on a peripheral circle around the insertion opening and lies in a plane parallel to the plane of the insertion opening. Each holding tooth is connected to the mounting section by at least two connecting webs. Also provided is a connection assembly for the feedthrough plug connection of a media line including the toothed disk.

Abstract: Methods, systems and apparatuses for mounting a motor rotor to a shaft of a compressor are disclosed. The shaft can include a rib region that is configured to form a press fit or a transition fit with the rotor bore. An end of the shaft can also include a plurality of crenulations that can be expanded outwardly in a radial direction relative to a centerline of the shaft. After the rotor is mounted onto the shaft, the crenulations can be expanded to eliminate the clearance between the shaft and the rotor to form a press fit with the rotor bore.

Abstract: A receptacle closure can include a body, an aperture, a first female threaded portion, a second female threaded portion, and a self-sealing valve. The body can extend along a longitudinal axis between a first end and a second end. The aperture can extend through the body between the first end and the second end. The first female threaded portion can extend from the aperture at the first end and can have a first thread configuration. The second female threaded portion can extend from the aperture at the second end and can have a second thread configuration. The first female threaded portion can be spaced from the second female threaded portion along the longitudinal axis. The self-sealing valve can be disposed in the body between the first female threaded portion and the second female threaded portion along the longitudinal axis.

Abstract: An interlock pipe joint includes a first and second tubular member. In some embodiments, an interrupted thread box and pin make up the interlock pipe joint. In other embodiments, a stepped interrupted thread box and pin make up the interlock pipe joint. In other embodiments, a twist-lock box and pin make up the interlock pipe joint. In some embodiments, an external or internal bushing is provided. In a method of operation, the first tubular member is inserted into the second tubular member by an axial insertion followed by a rotation to lock the pipe joint.

Abstract: An electrically conductive hose cutting clip has at least one end tab that is shaped to provide a cutting edge for penetration of the inner layer(s) of a multiple layer fluid conveyance hose when it is clipped onto a fluid connector and the hose is installed on the fluid connector by forcing it onto the connector. The cutting action by the cutting clip provides for a relatively low resistance electrical connection between an electrically conductive layer of the hose and the fluid connector. This can be used to provide a signal path from a sensing element on or in the hose to a system electronic component.

Abstract: A coupling having a housing with an internal bore sized to receive a tube therein, a spacer bushing non-movably retained against axial movement within the bore, and first and second gripper rings each having a peripheral portion non-movably retained against axial movement within the bore prior to and during operation of the coupling with the tube therein with teeth protruding inwardly into the bore sufficient to engage the tube. The gripper teeth being non-retractable, and the gripper rings and spacer bushing being held tightly together within the housing. The coupling may include a seal for application of pressurized fluid to the tube.

Abstract: A pipe fitting including a housing, a connecting cylinder at least partially disposed in the housing, the connecting cylinder being sealingly mounted in the housing, the cylinder having a portion of reduced diameter with a groove defining a sloping shoulder, a pipe fastening element rotatably mounted about the reduced diameter portion of the connecting cylinder and about the groove for selectively engaging the pipe during a quick connect action, and elements for selectively engaging the interior wall of the pipe for permitting removal of the pipe from the fitting when manipulating the pipe fastening element, and a method for forming the fitting.

Abstract: A fluid coupling having an outer housing with an internal bore, an O-ring fitted within the bore, a spacer bushing fitted against the O-ring, a gripper ring fitted against the axially outer side of the spacer ring, the gripper ring having axially and radially inwardly protruding circumferentially spaced gripping teeth, the teeth arranged for providing a twist when subjected to simultaneous rearward axial and rotational forces, and an end bushing holding the gripper ring, spacer bushing, and O-ring within the outer housing.

Abstract: A sanitary coupling assembly for mounting on a fluid system includes a female coupler and a male coupler. The female coupler has a distal end and a proximal end. The distal end has a first inner threaded surface defining an opening therein to receive an end of a hose. The proximal end has a second inner threaded surface having a polymer coating. The proximal end is configured to matingly engage a complementary structure located on the male coupler.

Abstract: A fluid coupling having an outer housing with an internal bore, an O-ring fitted within the bore, a spacer bushing fitted against the O-ring, a gripper ring fitted against the axially outer side of the spacer ring, the gripper ring having axially and radially inwardly protruding circumferentially spaced gripping teeth, and an end bushing holding the gripper ring, spacer bushing, and O-ring within the outer housing. A second gripper ring and a second spacer ring are used in some embodiments.

Abstract: A fluid coupling having an outer housing with an internal bore, an O-ring fitted within the bore, a spacer bushing fitted against the O-ring, a gripper ring fitted against the axially outer side of the spacer ring, the gripper ring having axially and radially inwardly protruding circumferentially spaced gripping teeth, and an end bushing holding the gripper ring, spacer bushing, and O-ring within the outer housing. A second gripper ring and a second spacer ring are used in some embodiments.

Abstract: A pipe joint provided with a joint main body having a male screw portion and a cap nut screwed on the male screw portion of the joint main body. And, the pipe joint has a C-shaped stop ring having an opening on its periphery. The stop ring, having an inner blade to cut a concave groove on a peripheral face of a pipe, is disposed as a peripheral face contacts a tapered inner face of a hole portion of the cap nut. Further, a co-rotation means is provided to rotate the cap nut and the stop ring together.

Abstract: A molten metal pump shaft coupling system for use in the coupling or connection of elongated shafts to other components and equipment, and for the disconnection thereof. A coupling with internal discontinuous threads may be coupled with an externally threaded shaft, with either continuous or discontinuous threads. Aspects of the invention include multiple external threads which may be pitched to accomplish a quicker and more efficient disconnect system. Furthermore, a shaft removal system is provided which provides two points of contact to assist in rotating a broken shaft end out of a coupling.

Abstract: A fluid coupling having an outer housing with an internal bore, an O-ring fitted within the bore, a spacer bushing fitted against the O-ring, a gripper ring fitted against the axially outer side of the spacer ring, the gripper ring having axially and radially inwardly protruding circumferentially spaced gripping teeth, the teeth arranged for providing a twist when subjected to simultaneous rearward axial and rotational forces, and an end bushing holding the gripper ring, spacer bushing, and O-ring within the outer housing.

Abstract: A fluid coupling having an outer housing with an internal bore, an O-ring fitted within the bore, a spacer bushing fitted against the O-ring, a gripper ring fitted against the axially outer side of the spacer ring, the gripper ring having axially and radially inwardly protruding circumferentially spaced gripping teeth, the teeth arranged for providing a twist when subjected to simultaneous rearward axial and rotational forces, and an end bushing holding the gripper ring, spacer bushing, and O-ring within the outer housing.

Abstract: A pipe joint provided with a joint main body having a tapered female screw portion on an opening end, and a cylindrical retainer having a male screw portion screwed into the female screw portion and plural small-disc continuous bodies each of which is composed of two or three small discs for pipe fixation embedded in the male screw portion along with the thread as a part of the small disc protrudes from a peripheral side and another part of the small disc protrudes from an inner peripheral face.

Abstract: A lubricant storage assembly for supplying a lubricant delivery unit with lubricant includes a socket adapted to be affixed to the lubricant delivery unit and having an inner wall face; a thread-cutting threaded portion provided in the inner wall face; a socket inlet opening; and a holding guide portion. The assembly further includes a lubricant container having an outer wall face; a head portion situated beyond said outer wall face; and an engagement length portion provided on the outer wall face. The engagement length portion of the container is cut by the thread-cutting threaded portion upon introducing the lubricant container into the socket and upon turning the lubricant container relative to the socket about the longitudinal container axis. The engagement length portion is of a material which has a lesser hardness than the material of the thread-cutting threaded portion.

Abstract: The present invention describes an improved connector for attaching flexible metallic and non-metallic conduit to electrical panel or junction boxes. The improved connector comprises a two pieces. The first piece comprises a metallic cylindrical inner body section, having an integral collar extending from the metallic cylindrical inner body section. The outer circumference of the inner body section has threads at one end thereof for grabbing the interior surface of the flexible conduit and pulling it toward the collar, while the other end of the metallic cylindrical inner body is equipped with external threads for engagement with an electrical panel or junction box. The second piece comprises a non-metallic resilient seat member or ferrule friction fit onto the conduit engaging end of the metallic cylindrical inner body that is engaged by the conduit end as the conduit is threaded onto the cylindrical inner body.

Abstract: A fitting is provided for joining to a smooth exterior periphery of a tubular conduit with a seal member sealing therebetween. The fitting has a tubular body with a central passage for receiving the tubular conduit. The central passage defines a central axis for the fitting and has a tapered opening, a threaded section, a seal section and a stop which circumferentially extend coaxially about the central axis. An annular shaped seal member extends from the seal section for sealingly engaging the exterior periphery of the tubular conduit. The tapered opening of the fitting provides an entrance to the central passage which is sized for receiving and end of the tubular conduit having an oval shaped periphery, and then rounding the exterior periphery such that annular shaped seal member will sealingly engage the exterior of the tubular conduit. The seal section is disposed between the tapered opening and the threaded section of the central passage.

Abstract: A pipe fitting adapted to be installed in an aperture in a wall of a fluid container, comprises inner and outer co-axial sleeve members interconnected for relative axial movement and a split, helically wound, washer. The inner sleeve member has an end portion insertable through the aperture, and the outer sleeve member has an annular bearing surface adjacent to the end portion adapted to overlie a first one of two opposed surfaces of the wall around the periphery of the aperture. The split washer is retained to and extends around the end portion opposite the bearing surface, and is of larger outer diameter than the aperture but is insertable therethrough by winding so as to overlie the second of the opposed surfaces of the wall.

Abstract: A self-threading joining system for flexible or semi-rigid pipes having two basic elements. The first element or joining end has three zones, the first zone being a hollow stem which outside diameter is slightly greater than the bore of the pipe to be joint; the second zone, which is adjacent to the first one, being a portion of outside thread, which is formed by a widening of the outside diameter of the first zone; said first element ending with the third zone or terminal end, which consists in any known element for networks of flows.

Abstract: An interference fit pipe coupling has threaded sections inside each end portion which grip the outer walls of a plain end pipe that is forced axially thereinto. An outer, longer section of the threads are tapered Buttress-like threads that are formed on a helix, and a shorter inner section of the threads also are Buttress-like but are circumferential. A smooth cylindrical conformance bore is formed at the outer end of the threads and has an inner diameter that is less than the nominal are of the plain end pipe to reduce ovality thereof and prestress same for entry into the threads. When the plain end portion of a pipe is forced axially into the coupling, the outer threads grip the pipe end portion to provide a rigid connection, and the circumferential threads grip the pipe end portions at axially spaced points to provide metal-to-metal seals. An elastomer, plastic or other suitable material seal ring that is engaged by the opposing end faces of the pipe end portions provides a redundant or back-up fluid seal.

Abstract: A pipe coupling has a body having a hollow interior including a tubular tail onto which the end of a pipe can be engaged. A coupling nut is captively mounted about the body of the coupling and has a screw threaded interior. When the end of a pipe has been pushed sufficiently onto the tubular tail, rotation of the coupling nut will threadedly engage the nut onto the exterior of the pipe end and draw the pipe further onto the tubular tail of the coupling. The tubular tail of the coupling may be formed as a separate replacable component from the balance of the body of the coupling such that the tail can be removed and substituted by a replacement tail of larger or smaller outside diameter to accomodate larger or smaller pipes.

Abstract: The invention presented is a tapered joint thread system, especially for use in a fluid handling device, and a fluid handling device containing the inventive tapered joint thread system. More particularly, the invention presented includes a plastic female end segment having an opening sized to receive a male fitting, and having a first tapered segment which tapers from a first internal diameter to a second internal diameter, and which is gauged from the opening of the female end segment to a controlled depth; the female end segment also has an unthreaded non-tapering segment having the second internal diameter which extends from the controlled depth to a second controlled depth, and an angled shoulder which tapers from the second internal diameter to a third internal diameter and which extends from the second depth to a third controlled depth.

Abstract: The adapter for attachment onto an outlet of a dispensing means such as a mixing device, comprises a connecting part for attachment to the outlet and an outlet portion to which other parts can be connected or which can be a specially formed outlet itself. This connecting part comprises a cylindrical or an approximately frusto-conical internal surface part having a self-cutting thread for attachment onto an external surface of the outlet of a mixing device or other dispensing device. Such an adapter can be easily attached to the outlet of a standard static or dynamic mixer or other dispensing device having a stepped external surface, thus eliminating the necessity to keep an inventory of mixers with different outlets or outlet connections.

Abstract: A threaded pipe joint including an externally threaded male section and an internally threaded female section having mutually engageable threads the corresponding roots and crests of which define a helical path through which fluids from said pipe section may leak. The threaded area of one of the pipe sections is provided with a radially disposed blind recess in which is placed a seal plug of extrudable generally nonresilient material.

Abstract: A grease fitting adapter for lubricating a gearbox having a grease fitting aperture in a gas operated lawn trimmer is provided, which consists of a grease source. A structure is for conveying grease from the grease source through the grease fitting aperture in the gearbox, after a grease fitting is removed from the grease fitting aperture.

Abstract: The present invention is directed to a coupling for use with sanitary hose, including a hollow female coupler piece and a hollow male coupler piece, wherein the male coupler piece is threadedly connected into the female coupler piece, and wherein a first end of the male coupler piece extends into a first end of the female coupler piece such that opposing surfaces of the first ends are radially spaced, and wherein one of the surfaces of the first ends includes a plurality of raised pad surfaces of a predetermined geometric design.

Abstract: The branch pipe adapter assembly comprises an elongated member defining an insertion part, a body part and a connecting part with an aperture axially formed therethrough to permit fluid communication through the insertion part, the body and the connecting part. The insertion part further includes a terminal end and defines a tapered and externally threaded cylinder with the taper beginning at the terminal end of the insertion part and gradually increasing therefrom. A thread forming means forms threads in the wall of a branch hole formed in a main pipe, and is positioned at the tapered and externally threaded cylinder. A fitting member is used with an aperture formed therethrough to permit the insertion part to be received therethrough and with the front end being concave in order to matingly receive a portion of the convex external surface of the main pipe.

Abstract: A novel coupler for use in sanitary transport of material which includes a female piece having a first end and a second end, the first end having an inner threaded surface defining an opening therein to receive an end of a hose, the second end having an inner threaded surface defining an opening adjacent and coaxial with the opening of first end to form a passageway along a central axis of the female piece allowing communication through the female piece, wherein the threaded surface of the first end has a relatively thin razor-like edge which extends diagonally inwardly toward the central axis and the second. A hollow male piece is provided having a tapered first end, an intermediate portion, and a second end. The intermediate portion has a portion of its outer surface threaded in a complimentary manner to the threaded opening of the second end of the female piece to allow receipt of the male piece therein.

Abstract: An adapter for connecting a plastic pipe to a metal pipe. The adapter consists of a connector having a first end and a second end with an opening extending through the second end of the connector and extending a distance through the connector toward the first end of the connector forming an inner peripheral surface. The second inner peripheral surface of the connector is threaded forming a second inside diameter of the connector which is smaller than an outside diameter of the plastic pipe. The end of the plastic pipe is threaded into the opening through the first end of the connector with the threads digging into an outer peripheral surface of the plastic pipe and compressing a portion of the plastic pipe near the first end thereof for connecting the plastic pipe to the connector. The second end of the connector is adapted to be connected to one end of the metal pipe.

Abstract: A pipe connector comprising two members with respectively concave and convex mating co-operating ends and fitting together by an internally threaded sleeve retaining one of the members and tightened by being screwed onto the outer threading of the other member, this outer threading being extended by a threaded portion having a greater diameter than and the same pitch as those of the outer threading and being adapted to co-operate with a lock washer retained in a recessing formed in one of the ends of the sleeve.

Abstract: A joint for joining together lengths of fiberglass reinforced pipe or assembling joint components to a length of fiberglass reinforced pipe has abrasive threads capable of cutting matching threads into the surface of the pipes being joined. The abrasive threaded coupling requires no shaving or other surface preparation of the pipes to be joined for assembly of the joint. If a bonding adhesive is used in the joint, the joint is not sensitive to and will not be damaged by the movement of the joint before the adhesive has cured. The abrasive threaded joint can be modified for use as a pipe coupling, fitting, flange, adapter or a quick and effective repair coupling.

Abstract: A T-shaped connector for use in automotive radiator cooling systems, in which each nipple is radially enlarged to form a substantially frusto-conical obverse taper, an apex, and a substantially frusto-conical reverse taper having one or more shouldered steps cut into it. The height of the apex is determined as a function of the elastic properties of the rubber hose to be connected to the coupling, a rubber hose is slid onto and over the radially enlarged portion, and a substantially frusto-conical ring is seated onto that portion of the hose fitting over the reverse taper of the nipple.

Abstract: A connecting arrangement comprising a threaded sleeve of synthetic plastic material and a tube portion having a pipe thread. The threaded sleeve contains an insert nut with an internal thread and a synthetic plastic ring which is engaged by the pipe thread of the tube portion. The tube portion has at its forward end a supplemental sealing ring which sealingly engages a sealing region of the synthetic plastic ring. The sealing region is spaced from the axial ends of the threaded sleeve and has an inner diameter which is smaller than the outer diameter of the sealing ring. A further seal may be provided by disposing an adhesive sealing mass in an annular groove on the tube portion such that the mass adheres the tube portion to the sleeve when they are connected.

Abstract: An automatic broken-drill-pipe-intercoupling tool having, a body portion with, at one end, a female threaded adapted to cooperate with the threaded male end of the retrievable portion of a broken drill pipe and at the other end a tapered, multi-interwined-spiral bit portion, integral with the body portion, the body portion having flats thereon to permit tightening of the tool on the retrievable portion of the broken drill pipe.

Abstract: A pipe coupling for joining hard-walled, semi-rigid pipe including a tubular portion over which the end of the pipe to be coupled may be engaged. The tubular portion has an external thread carrying a nut including an internal thread. The nut has a second tapered threaded portion adapted to cut a thread into the outside surface of the pipe and to secure the pipe to the coupling.

Abstract: A synthetic plastic pipe coupling comprising an internally threaded fitting of synthetic plastic material and a pipe of synthetic plastic material. The material of the fitting is harder than the material of the pipe so that the threads of the fitting act as a die for the creation of helical grooves on the pipe as the pipe is hand screwed into the fitting. The pipe is continued to be screwed passing the threaded portion of the fitting to a cylindrical portion adjacent to the threaded portion, which has a diameter not greater than the internal diameter of the threaded portion, so that the initial grooves are erased and the pipe is compressed to a lesser diameter for the purpose of creating a fluid tight contact zone operating hydraulically in favor of pressure and proportionately to it.

Abstract: A self-tapping coupling for plastic piping has a hollow cylindrical section with external self-tapping threads and a sealing member with an O-ring whereby the sealing member is retained in the end of the plastic pipe by the threads cut by the cylindrical section when the latter is inserted in the end of the pipe with rotation.

Abstract: An adapter for detachably interconnecting an exhaust stack with an exhaust actuated device comprises a hollow, frustoconically shaped body having first and second ends, and an inclined sidewall extending therebetween. The body first end is open for receiving exhaust gases from the stack therethrough, and the body second end communicates with the first end and is operably connected with the exhaust actuated device. The sidewall of the body includes advancing spiral threads on the exterior surface thereof which are shaped for engaging an interior, free edge of the stack, rotatably locking the adapter therein, thermally expanding and forming a secure and substantially airtight seal therebetween.

Abstract: A self-threading fitting having external threads at one end and tapered internal threads at the other end is provided with a snap-in tubular lining of insulating material which extends beyond the end of the fitting having the internal threads for insertion into a conduit to which the self-threading fitting is to be secured to thereby provide a guide which will insure axial alignment of the fitting with the conduit while insulating through wiring from the metal fitting.

Abstract: A sanitary pipeline mixer with a rotor and a stator disposed along a common axis within a turbine housing having an internal mixing chamber that communicates with an inlet port and a discharge duct. An inlet duct is removably connected to the turbine housing at the inlet port by means of a swing clamp for quick disassembly. The rotor is threaded to a shaft which extends through the mixing chamber, through a seal housing and is journaled in a bearing housing, the shaft being coupled to a motor shaft. A double flushed mechanical seal is provided about the rotor shaft at the interface of the turbine and seal housings. The turbine housing is removably mounted to the seal housing by means of a swing clamp for quick disassembly, the mechanical seal being exposed when the housings are disassembled.

Abstract: An elongated fitting, which forms a thread as it is screwed onto the end of a conduit, has an internally threaded tubular portion at one end which receives the conduit. A stem portion on the opposite end permits coupling of the fitting to external parts. An intermediate portion is provided for rotating the fitting relative to the conduit. A longitudinal slot axially extends along the wall of the tubular portion to permit visual inspection of the amount of conduit inserted in the fitting and for lowering the tightening torque required for forming the threads on the conduit.

Abstract: Radiator for transmitting heat from a fluid medium to a surrounding atmosphere. The radiator of the invention contemplates rapid and efficient manufacture of radiator units of different sizes from stock material and is arranged for such manufacture either in a factory or at a construction site. Preferably identical top and bottom channeled parts are provided as top and bottom headers of the radiator and extrudable connecting channels are provided for connecting the top and bottom headers. The connecting channels may be cut in any desired length to provide the radiator units of selected sizes and radiating capacity but without change in the manner of connecting the connecting units into and with respect to the top and bottom headers. A variety of ways are shown for effecting such connecting as well as for providing appropriate fluid connections to and from the radiator units.

Abstract: A socket of a hose coupling for use with a nipple, the socket and nipple defining an annular space for receiving and gripping an end of a flexible hose. The socket has a first threaded portion with substantially sharp threads and a helically spaced second threaded portion with a sharp starting thread followed by blunt threads.

Abstract: A self-boring bushing device adapted to provide passage through a structure, such as a wall, wherein the device is so constructed as to both thread and bore itself therein upon rotation thereof, thus providing communication between both sides of the wall, whereby electrical conduits or lead-in wires can be received therethrough, the device comprising a stud-like body having an enlarged head formed to receive a tool for rotating the stud and an elongated shank portion provided with external threads, and wherein the terminating end of the shank includes a plurality of boring teeth extending outwardly therefrom forming the annular free end of the stud-like body, the body being formed with an elongated, longitudinal bore wherein various elements can be passed therethrough, sealing plugs being also included to be positioned within each opposite, open end thereof.