Abstract: A connector assembly for establishing a fluid type connection with a pipe or tube having a body member with a bore for receiving the tube, a nut which is in threaded engagement on the body member and an intermediate ring compressed between the nut and the body member and having inwardly extending edge formations which cut into the tube in order to retain it within the connector, the intermediate ring being provided with radially outwardly extending axial ribs which cooperate with the body member and the nut to prevent unintentional overtightening of the nut. The ribs may have tapered stop faces which engage a tapered bore portion in the nut and a radial or tapered surface adapted to engage with the body member of the connector assembly.

Abstract: This is concerned with a cord grip for use with various types of electrical cord and is more specifically concerned with a compression chamber with a distortable grommet which has gripper elements associated therewith so that the gripper elements or unit perform a closing action on the cord in response to reduction in the volume of the compression chamber.

Abstract: A cable holder for securing a cable airtightly comprises a mounting body with a hollow cylinder for receiving the cable, a clamping cap to be threaded with the thread on the outer periphery of the mounting body and having an opening on each end in its axial direction and frustoconical gripper assembly to be inserted between the cylinder and the clamping cap. The gripper assembly is formed in a shape of a iris diaphragm of a camera and each of the diaphragms is movable and capable of shorting its inner circular diameter defined by the diaphragms for gripping the cable.

Abstract: A coupling is provided for spaced coaxial pipe ends to be connected having a sleeve or middle ring with frusto-conical enlarged ends receiving the pipe ends to be connected coaxially thereof, elastomeric gaskets having a frusto-conical portion fitting the ends of the middle ring, follower members bearing on the gaskets to urge them into the middle ring ends, tightening members drawing the follower members toward each other, an insulating sleeve surrounding at least one pipe end with a depending radially inward spacer member and an insulating member having the shape of the follower member between the follower member and the pipe and middle ring and having a flange coaxial of the pipe extending through said follower member around the pipe. An electrical connector means may be metallurgically bonded to the middle ring.

Abstract: A connector for the joining together two fused silica or glass or other types of capillary tubes, in a chromatography system, without detrimental chromatographic effects created by distortion of the two joined capillary tubes, dead volumes or exposure to metal surfaces, or for the butt joining of glass rods, has a pliable elongate surrounding member which sealingly engages a substantial length of each tube or rod from its end as well as supports each and thereby eliminates exposure to a housing or container surface.

Abstract: A pipe fitting for interconnecting concentric pipes together to a gas meter unit includes a standard insulated O-ring union internally modified so as to include therein a substantially frusto-conical recess for mating engagement with a correspondingly shaped neoprene compression seal. The neoprene compression seal is disposed radially inwardly from the O-ring. A steel tube is swaged to a plastic gas conduit pipe and includes a flat washer welded to an upper portion thereof to resist pull out of the steel tube from the pipe fitting assembly.

Abstract: A tube connection fitting comprises a body member formed with an annular recess for receiving the end of a tube to be connected, and a cap threaded onto the body member and including a plurality of fingers engaging the end of the tube received within the annular recess. The outer end of the annular recess is shaped in such a manner that it accomodates different sizes of tubes, and securely locks and seals the tube within the recess.

Abstract: The pipe coupling has an annular flange member having a tapered inner surface portion and a plurality of holes therethrough. Bolts project through the holes. A pipe-engageable collet is mounted in the flange member and has a tapered outer surface portion engaged with the tapered inner surface portion. An annular, retainer element engages a surface of the flange member from which the bolts project and overlaps an outer peripheral portion of the seal back-up member and has a plurality of holes therethrough which are in substantial alignment with the holes through the flange member. The bolts project through the holes in the retainer element whereby the bolts and the retainer element are retained in position by virtue of their mutual interengagement and the seal back-up member and collet are retained in position by virtue of the engagement of the retainer element with the seal back-up member.

Abstract: This device for the fluid-tight anchorage of an electric conducting cable, for example through an inlet aperture formed in a cabinet, box or the like, comprises a tubular body through which the cable is passed, such body consisting of two sections adapted to be screwed onto each other. One of these sections includes the one means such as a packing ring for sealing the cable inlet and the other section includes means such as a socket formed with radial longitudinal slots for anchoring the cable inlet. The packing ring and the socket face each other so that, when the body sections are tightened by screwing, the ring and socket engage each other, and consequently the action exerted on the ring and on the socket by their interaction is reinforced by this tightening movement.

Abstract: A coupling including a tubular main body comprising means for fixing in a wall, and traversed by an axial channel terminating at one end in a conical flared portion. An annular nut screws onto said end of the body surrounding said flared portion. The bottom of the nut is pierced by an axial bore of diameter similar to that of said axial channel. The nut receives internally a sealing ring deformable by tightening, supported on said bottom of the nut to apply on said conical flared portion and to deform by tightening, an annular clip for anchoring said cable extending. The coupling is useful for the fluid-tight fastening of cables through a wall.

Abstract: This is concerned with a cord grip for use with various types of electrical cord and more specifically involves a compression chamber with a distortable grommet which has independent gripper elements that are socketed into the grommet so that the gripper elements perform a compound closing action on the cord with the result that the cord grip has great flexibility as to the range of sizes and types of cords it will accept and as to the type of gripping action it will perform on different sizes of cords.

Abstract: An apparatus for connecting first and second flowline members for fluid flow therethrough and a method of utilizing same for effectuating such a repair, with the apparatus including a first housing member adapted to be mounted with the first flowline member and having a seal ring mounted therein for sealably engaging the butt end of a second flowline member for effecting a fluid-tight relation therebetween, a second housing member mounted for axial movement with respect to the first housing member and gripping means with the second housing member for moving radially inwardly into gripping engagement with the second flowline member upon axial movement of the second housing member toward the first housing member.

Abstract: A coupling, arranged to form a frictional joint between two mechanical elements, comprising a tubular contact member, arranged to take up a non-deformative frictional contact with an element to be attached by means of a first peripherical surface when force transforming ring having a conical contact surface is moved against a co-acting conical contact surface at the opposed peripherical surface of the contact member by means of a manually operated and linearly movable force applying member, thereby applying a force at one point along said surface of the contact member, said contact member being arranged with such a longitudinal section that the force applied at one point by the force transforming ring is equally distributed along the surface in contact with the member to be attached.

Abstract: The substantial change in modulus with temperature of certain materials, especially memory metals, is used to make a novel connector by forcing a band made from such a material in its low modulus state up an external tapered portion of a tubular coupling member so as to deform the band which remains in position about the coupling member. To make a connection one or more substrates is (are) positioned inside the tubular coupling member and the band is brought to its high modulus state whereupon it contracts and deforms the tubular coupling member and forces it into firm connection with the substrate.

Abstract: The invention relates to unions for tubes adapted to hermetically connect a smooth end of a tube on a connecting piece comprising a flared end. These unions comprise an anchoring and sealing ring which is constituted by an annular lip incorporated in the body of the union and which presents, in its rear part, at least one peripheral recess which is adapted to facilitate the flexion of the lip towards the axis.

Abstract: A locking device is disclosed, which comprises a hollow cylindrical body having a plurality of annularly disposed independent gripping pieces projected from one end thereof and a clamping pipe threadably engageable about the outer periphery of the cylindrical body about its side of the gripping pieces. An elastic packing pipe is provided by fitting in contact with the inner circumferential faces of the gripping pieces, and the clamping pipe is tapered about the inner circumferential face of an end portion thereof so that about the outer periphery of their top end portions, the gripping pieces can abut against and be pressed radially toward the center of the device by the tapered end portion of the clamping pipe. Also, means such as notches and/or projections directed opposite to the lead direction of the male screw of the cylindrical body are provided, by which the top end portions of gripping pieces and the tapered portion of the clamping pipe are mutually fixed.

Abstract: The invention involves solar energy collecting units and a system for mounting such units on a support surface. Each unit has a solar radiation collecting panel through which a heat transferring fluid such as water can pass. Each panel can be connected to the panel of adjacent units so that the heat transferring fluid can pass among a series of units as it is being heated. A tapered fluid inlet manifold is provided at one end of the solar collecting panel with a similar tapered fluid outlet manifold at the opposite end. An inlet tube is in communication with the inlet manifold and an outlet tube is in communication with the outlet manifold. Male-female couplings are provided about the respective inlet and outlet tubes so that adjacent solar collecting units can be easily and quickly connected. The tapered manifolds allow the fluid to drain quickly and completely out of whichever end of the collector panel is lower when the panel is not in use.

Abstract: A liquid tight fitting for liquid tight flexible metal conduit which provides higher unit sealing pressures and improved liquid tight sealing by providing line, rather than surface, contact at critical points. The body member of the fitting makes line contact with a flared lip of the ferrule. The lip of the ferrule makes line contact with the sealing ring. The vector forces which create the seals have components in the directions required to most effectively and efficiently produce the seals. The sealing ring may be made symmetrical, is discontinuous, has an inside bead for sealing against the conduit and may include wings for retention in the gland nut prior to assembly of the fitting on a conduit end.

Abstract: A filter of the throw away spin-on type having a housing body with a closed end and an open end, a filter element mounted within said body, a cover plate secured to and closing said open end, a gasket retainer secured to the end closure cover plate, fluid input and output apertures provided in both the cover plate and the gasket retainer, the gasket retainer having a recessed pocket extending circumferentially around the fluid flow openings, inwardly of the outer circumference of the gasket retainer, said gasket pocket having a base at a specified angle relative to the surface plane of the cover plate, and a resilient flexible gasket member of special shape retained by the gasket retainer pocket. The specially configured sealing gasket member is preferably of rhomboid shape and thus a cross section thereof forms a parallelogram with oblique angles and opposite sides equal. The top and bottom surfaces of the sealing gasket form an angle of approximately 10.degree.

Abstract: A flareless connector for soft metal tubes connecting a tube to a connector body having a nipple received within the tube end. A compression nut threaded upon the connector body radially inwardly deforms a soft mallable compression sleeve into engagement with the tube in radial alignment with a groove defined in the connector body nipple deforming the tube into the nipple permanently sealing the tube to the nipple in metal-to-metal contact, the compression sleeve being formed to facilitate radial compression.

Abstract: A pipe coupling including cooperating male and female threaded elements and the female threaded element has a recess containing a pipe-gripping collar which has cause to contract radially on to the pipe upon tightening of the male element relative to the female element.In order to facilitate storage and transport of the coupling components, a washer is provided which is resiliently engageable with the thread of the female element and serves to retain the pipe-gripping collar within the recess of the female element. This washer is preferably a metallic thrust washer which has a peripheral rubber flange which provides the resilient engagement with the thread of the female element.

Abstract: A variable length coupling device for connecting together first and second flowlines for the passage of fluid therethrough including first and second housing sections having alignable bores. The first housing section is adapted for connection at various angular positions to the first flowline and the second housing section to receive and is sealingly attached to the second flowline in response to the interconnection of the first and second housing sections. An actuator sleeve, force transfer sleeve and wedging seal ring are mounted within the first and second housing section bores for movement into gripping, sealing engagement against the second flowline in response to connection of the first and second housing sections together.

Abstract: A spigot and socket joint includes an annular locking member surrounding the spigot member, an annular part surrounding the locking member and a clamping collar engaging radial flanges on the annular part and on the socket member to hold the annular part against the locking member. The locking member can be releasably clamped to the spigot member or a stop can be secured to the circumference of the spigot member to limit axial movement of the locking member toward the socket member.

Abstract: A recuperator having refractory walls has ceramic recuperator tubes which are located at each of their ends in tapering bores in the recuperator walls. The ends of the tubes are sealed in the bores in the walls by a number of precompressed fibrous refractory rings of different diameter which are in turn held in place and prevented from expanding by refractory locking rings that engage the sidewalls of the bores through a bayonet fitting. Ceramic inserts may be provided in the recuperator walls to form the bores. Buffer rings are provided between the locking rings and the tube ends, and a thrust washer is provided between the fibrous rings and the locking rings.

Abstract: An extendible ballcock assembly including a support pipe threaded at its lower end for partial receipt in a support fitting.The support fitting furthermore includes a peripheral cavity in the upper end thereof adapted to receive a toroidal seal. The seal includes a threaded interior surface conformed to the support pipe threads and is compressed into the fitting by a compression nut. At the upper end the support pipe terminates in a valve assembly which includes antisiphoning provisions.

Abstract: A pipe coupling is described comprising a split-ring having an outer conical surface defined by the top lands of a plurality of circumferentially-spaced axially-extending ribs, the higher end of each rib being formed with an outwardly-projecting step. The coupling further includes a sleeve formed with an internal conical surface engageable with the outer conical ribs of the split-ring to cause the ring to tightly clamp the pipe within the housing, the sleeve further including an internal annular shoulder engageable with the outwardly-projecting steps of the split-ring converting tensile stresses in the split-ring to shear stresses.

Abstract: A waste drain connection for coupling the waste outlet of a plumbing fixture having a receptacle for a fluid-sealing gasket thereabout to a plumbing drain pipe including a fluid-sealing member having a sleeve portion adapted for intimate fluid-sealing about the plumbing drain pipe and an outwardly-extending flange forming a gasket about one end thereof and a sleeve and gasket compression member for containing the sleeve and for compressively urging the sleeve into greater intimate contact with the plumbing drain pipe to ensure a fluid sealing relationship therebetween and for compressively urging the gasket into intimate contact with the gasket receptacle to effectuate a fluid sealing relationship therebetween.

Abstract: A coupling for smooth pipe includes a housing, a sleeve nut threaded onto the housing, a gasket inside the housing and a thrust and locking ring structure within and between the housing and sleeve nut. The housing has a tapered inner surface to compress the gasket. When the nut is threaded onto the housing, the ring structure is axially moved by a shoulder on the nut to compress the gasket. The nut then radially deforms tongues on the locking ring structure to grip the pipe.

Abstract: A liquid-tight fitting is provided to connect generally non-compressible plastic conduit and electrical cable to a connection of some type. The fitting has a self-adjusting rigid plastic gland, which has a body portion with a relatively thin sleeve extending axially away from the body portion for encircling the conduit or cable. A nut threaded on the body of the fitting compresses the sleeve into sealing engagement with the conduit and fitting and to positively interconnect the conduit and connection to provide strain relief therewith.

Abstract: A split-ring for use in a pipe coupling comprises an outer conical surface defined by the top lands of a plurality of spaced axially-extending ribs formed on its outer surface. Also described is a pipe coupling comprising a housing for receiving one end of the pipe, the split-ring, and a sleeve formed with an internal conical surface engagable with the outer conical ribs of the split ring to cause the ring to tightly clamp the pipe within the housing. In one described embodiment, the split-ring is constituted of a single unit formed with an axially-extending slit; and in a second described embodiment, it is constituted of two hinged sections.

Abstract: Apparatus for locking together two mutually telescoping tubular members against relative axial movement, the combination comprising; annular bowl means housed within one of the tubular members and including a pair of axially and oppositely tapered annular surfaces; a plurality of gripping elements circumferentially disposed within the annular bowl means, each gripping element including a pair of oppositely tapered surfaces mateably engaged with respective tapered surfaces of the bowl means; the bowl means and gripping elements being movable between a retracted position in which the tubular members are freely assemblable in the mutually telescoping relationship aforesaid and an extended and locked position in which the bowl means applies opposing forces against both tapered surfaces of each gripping element to squeeze the latter into tight gripping engagement with the other tubular member whereby both tubular members are locked against relative axial movement, and means for moving the bowl means and gripping e