Abstract: A duct coupling system that is capable of coupling two ducts, such as a clothes dryer exhaust duct and a flexible helical clothes dryer duct that is connected to a wall vent. The duct coupling includes a first duct adapter with a first end to concentrically mate with the first duct, and a second end with a plurality of tines to flexibly bend toward the inner surface of the first duct adapter, such that the first duct that is concentrically mated with the first duct adapter is disposed between an inner surface of the plurality of tines and the inner surface of the first duct adapter toward which the plurality of tines flexibly bend.

Abstract: A pipe arrangement includes a pipe and a pipe coupling having on a front face a peripheral groove with a groove bottom. The pipe is insertable within the groove and weldable to the pipe coupling. At least one through opening structured and arranged to connect the groove to the surroundings of the pipe coupling.

Abstract: A joint fitting for thermoplastic pipes. The fitting member has a receptor and an insert. The receptor fits snugly over the thermoplastic pipe, and the end of the pipe abuts against the fitting member. These respective contact surfaces are fused together by thermal welding, thus forming a socket seal and an abutting seal to strengthen the joint and to protect any glass fiber reinforcing layer of the pipe. One embodiment of the fitting also comprises a glass fiber reinforcing member that provides structural strength to the fitting member. In another embodiment, the fitting comprises an inner rim that fits inside the end of the thermoplastic pipe, thereby forming a double socket, abutted seal between the fitting and the pipe. Other embodiments comprise a valve for releasing gas and molten thermoplastic material during the thermal welding process.

Abstract: A plastic pipe to metal pipe coupling includes a metal pipe, a plastic pipe and a metal retaining collar. The metal pipe has an inner diameter, a first end, a second end and a barbed outer portion proximate to the second end. The plastic pipe has an inner diameter, a first end and a second end. A portion of the plastic pipe proximate to the first end is disposed around the barbed outer portion of the metal pipe. The metal retaining collar is disposed around the portion of the plastic pipe and compresses the portion of the plastic pipe onto the barbed outer portion of the metal pipe.

Abstract: A crimp fitting for a hose member including a nipple and a socket coupled thereto. The nipple has an outer surface provided with a plurality of axially extending reverse angled first barbs and a plurality of axially extending forward angled second barbs alternatingly formed thereon. The first barbs are configured to engage an inner surface of a hose member to increase a sealing engagement between the nipple and the hose member, and the second barbs are configured to engage the inner surface of the hose member to militate against a disengagement of the nipple from the hose member.

Abstract: A high-flow hose assembly includes a hose, a fitting, and a ferrule. The hose includes an outer surface and an inner surface. In an unsecured configuration, an insertion portion of the fitting is positioned within a hose passage and the hose is positioned within a ferrule passage, and the inner surface of the insertion portion defines a first diameter and the outer surface of the insertion portion defines a second diameter. In a secured configuration, the inner surface of the insertion portion defines a third diameter greater than the first diameter and the outer surface of the insertion portion defines a fourth diameter greater than the second diameter, so that fitting barbs engage the inner surface of the hose and ferrule barbs engage the outer surface of the hose to secure the hose, the fitting, and the ferrule together.

Abstract: A fitting for coupling a capillary to another component of a fluidic device is disclosed. The fitting includes a ferrule configured for enclosing a front part of the capillary and for contributing to a fluidic sealing between the fitting and the other component; a ferrule chuck configured for enclosing a back part of the capillary; and a housing configured for accommodating at least a part of the ferrule chuck and for pushing the ferrule chuck against the ferrule.

Abstract: A hydraulic hose coupling, and method of assembling a coupling to a hydraulic hose are disclosed. The hydraulic hose and coupling assembly is designed to attach a coupling to a hydraulic hose in a no-skive fashion. Moreover, it does so with greatly enhanced sealing and retention capabilities relative to the currently available products. This is accomplished in many ways, some of which include the provision of a plurality of hose retention and sealing zones within the coupling, each of which include various combinations of radially inwardly directed barbs and radially inwardly and outwardly directed surface features on the inner stem of the coupling. With specific regard to the zone primarily directed to sealing, it includes a radially inwardly directed barb which works in conjunction with a straight cylindrical surface flanked by first and second radially inwardly directed recesses.

Abstract: A coupling assembly includes a fitting having a wall presenting an inner surface, surrounding a lumen, and an outer surface, opposing the inner surface. A barb extends radially away from the outer surface of the wall to a peak. A seal circumferentially surrounds the outer surface of the wall and is spaced from the peak of the barb. A hose presents an initial outer diameter. The hose extends over each of the seal and the barb such that the hose is deformed at the barb to present a displaced outer diameter that is greater than the initial outer diameter of the hose. A cage is spaced at least a distance from the peak of the barb and radially compresses the exterior surface of the hose and the seal to form an interference fit between each of the hose, the barb, and the cage.

Abstract: A hose connection (51) includes mounting structure (32) and suction structure (46) having an axis (B). The suction structure is mounted to the mounting structure such that the suction structure can rotate with respect to the mounting structure about the axis. The hose connection includes a hose (26?) coupled to the suction structure.

Abstract: Plug part of a plug-type connection arrangement for connecting two fluid lines and plug-type connection arrangement including the plug part. The plug part includes at least one two-layer area, the two layers of the two-layer area including a metallic material. At least a portion of the plug part is structured and arranged to be fed into a coupling part of the plug-type connection arrangement.

Abstract: A retaining clamp for retaining a tube on a barbed connector. The clamp includes a collet, having a first portion sized to fit over a tube on a barbed connector, and a plurality of fingers extending from the first portion for fitting behind the barb of a connector, the fingers having inward extensions at their distal ends for urging the tube against the connector behind the barb. The clamp also includes a sleeve, sized to fit over the collet and to urge the fingers on the collet inwards to retain the tube on the connector. The collet and sleeve are held in position with a ratchet. In addition, one of the sleeve or the collet includes an inward projection for urging the tube against the end of the barb on the barbed connector in use.

Abstract: A tube support bracket that comprises an aluminum-coated steel support bracket formed having a circular tube-receiving aperture and an annular, castellated collar abutting the aperture. The aperture and collar are sized for receiving therethrough in close-fitting relationship an aluminum alloy heat exchanger tube. The collar, formed by a draw-punching process, has a plurality of spaced-apart, axial tabs sized for swaging against in hoop stress and bite the received tube. An inner surface of each of the collar tabs being has at least one axial groove therein, the groove being configured for receiving exterior regions of the received tube when the collar is swaged tightly against the tube to thereby lock the tube in the collar and thus in the support bracket. A corresponding method for making a tube support is disclosed.

Abstract: It is disclosed a connecting device for the manufacture of ducts for heating, conditioning, ventilation comprising a plate-like element (2) which is provided, on a face (2a) thereof at opposite positions, with at least two hooking points (3) adapted to penetrate contiguous portions to be joined of a duct (4) segment or of two consecutive duct segments. Also provided is a connecting process comprising a step of applying at least one connecting device (19 on either side of a junction line (4a) defined by two opposite longitudinal bands of a panel (5) adapted to form a duct (4) segment.

Abstract: A hose end fitting in which a connection body (300) is secured to a hose end (401) by an inner sleeve (200) and an outer collar (100). A radius of an outer surface (201) of the inner sleeve (200) is greater than a radius of an inner surface (102) of the outer collar (100) such that when the outer collar (100) is forced over the inner sleeve (200), the inner sleeve is radially compressed onto the hose end. The outer collar (100) and inner sleeve (200) are locked in position by the radial expansion force of the compressed hose (401) and the inner sleeve (200).

Abstract: A quick-action coupling for coupling pipes includes a tubular inner part having an outer surface for supporting a pipe to be coupled; an inner sleeve and a clamping ring, each surrounding at least a portion of the tubular inner part for clamping the pipe to be coupled between the outer surface of the tubular inner part and the clamping ring; a toothed ring between the inner sleeve and the clamping ring; and an outer sleeve surrounding at least a portion of the inner sleeve, the toothed ring and the clamping ring, the outer sleeve comprises a cylindrical region having at least two inside diameters (d1, d2) and a conical region, wherein the clamping ring is received in the conical region.

Abstract: A connector, for attachment with a hose, having a generally tubular shaped longitudinal nipple with a proximal and distal end and a bore extending therethrough. The nipple has an exterior surface that defines an outwardly extending annular protuberance located between both ends. The connector also includes a clip, for attachment with the nipple, having a base portion connected with at least two longitudinally extending legs. The base portion has an axial opening, a radial opening, a support bar with a first and second end, a first and second arm portion attached to the support bar first and second end respectively, both arm portions including a set of locating fingers and one of the at least two longitudinally extending legs. Each locating finger has an inner surface is adapted to mate with the annular protuberance. The at least two longitudinally extending legs are radially outwardly distanced from the nipple and have an outer surface adapted to receive a compressible clamp.

Abstract: A plastic barb clamp provides leakproof connection of a flexible tube in a barb fitting. The barb clamp includes a collet and a sleeve. The barb clamp is configured to fit snugly within the tube. The collet is slid over the tube. Annular retainers on the interior surface of the collet fit tightly around the tube and under an expanded portion of the barb fitting. The sleeve is then slid over the collet. As the sleeve moves over the collet, tangs on the collet are pushed radially inwardly into the tube and barb fitting. The exterior surface of the collet has radial projections or expanded diameter portions for locking with the sleeve. The sleeve has an annular projection or a reduced diameter portion on the interior surface of the sleeve to correspond to the exterior surface of the collet to provide a secure lock between the collet and sleeve.

Abstract: A flexible corrugated hose fitting, which is particularly provided for high-pressure installations, such as air conditioning installations using CO2 as the refrigerant, has a connecting element, which can be snapped together with the interior corrugated pipe of the flexible corrugated hose. In addition, the connecting element has sealing elements, which come into sealing contact with the corrugated pipe. Following the area receiving the sealing elements, the connecting element has a cone, which is used as a clamping section. An exterior squeeze ring, or other squeeze element, is used for pressing the exposed end of the corrugated pipe against the clamping section. A pressing sleeve is used for pressing, which drives the squeeze ring by a wedge effect inward. It has an appropriate conical interior surface. The squeeze ring moreover extends over the sheathing. For further securing of the connection, the pressing sleeve can be pressed together here with the sheathing by an appropriate deformation.

Abstract: A connector, for attachment with a hose, having a generally tubular shaped longitudinal nipple with a proximal and distal end and a bore extending therethrough. The nipple has an exterior surface that defines an outwardly extending annular protuberance located between both ends. The connector also includes a clip, for attachment with the nipple, having a base portion connected with at least two longitudinally extending legs. The base portion has an axial opening, a radial opening, a support bar with a first and second end, a first and second arm portion attached to the support bar first and second end respectively, both arm portions including a set of locating fingers and one of the at least two longitudinally extending legs. Each locating finger has an inner surface is adapted to mate with the annular protuberance. The at least two longitudinally extending legs are radially outwardly distanced from the nipple and have an outer surface adapted to receive a compressible clamp.

Abstract: A barb clamp provides a leakproof connection of a flexible tube in a barbed fitting. The barb clamp includes a collet and sleeve. The barb fitting is configured to fit snugly within the tube. The collet is slid over the tube. Shelves on the interior surface of the collet fit tightly around the tube and under an expanded portion of the barb fitting. The sleeve is then slid over the collet. As the sleeve moves over the collet, tangs on the collet are pushed radially inwardly into the tube and barb fitting. The sleeve is moved over the collet until an annular projection on the interior surface of the sleeve sits within an annular groove of the collet. Radial ledges on the exterior surface of the collet provide a stop and lock to prevent the annular projection on the sleeve to move out of the annular groove of the collet.

Abstract: A coupling system for coupling flexible tubing between ports includes a port element provided with a barb, and a clamp which secures the tubing over the port element. A first end of the clamp is formed as a plurality of axially extending resilient, yet stiff, fingers having a barb at a tip. The fingers are biased slightly inward toward a center of the channel to define an inner diameter which is smaller than the outer diameter of the tubing. A diameter at the second end of the clamp is larger than a diameter of the tubing to allow for easier installation of the tubing through the channel of the clamp. A diameter of a portion of the channel between the first end and the second end is substantially the same or slightly smaller than the diameter of the tubing such that the clamp snugly grips the tubing without affecting the flow through the tubing. In use, the tubing is inserted through the second end of the clamp, and the tubing is then positioned over the barb of the port element.

Abstract: An electric machining tool includes a plurality of functional components in separate housings (1, 2, 3), whereby the individual housings (1, 2, 3) are coupled to one another and axially aligned. A mounting (5) is provided having a spring-elastic belt (6) that surrounds at least partially coaxially an exterior of one of the housings (1, 2, 3). The belt (6) has a plurality of branching gripping arms (7-12) extending in an axial direction, and the ends (13-18) of the gripping arms are engageable in one or more of the housings (1, 3) adjacent to the housing about which the belt (6) extends. The mounting (5) secures the housings (1, 2, 3) against an opposite movement in the axial direction and rotational movement.

Abstract: Hydraulic fluid is supplied to hydraulic brake cylinders for calipers and brake shoes of a motor vehicle through brake line assemblies each including a flexible multi-layer high pressure brake hose having an end portion receiving an inwardly forged end portion of a small diameter high pressure steel tube. A metal collar receives each tube and is secured to the tube by a crimp or threads and/or a spring retaining washer, and is also crimped onto an end portion of the hose. The opposite end portion of each metal tube is flared and receives a tubular flare nut which may be threaded directly into a brake caliper or a brake control valve. The collar may be progressively formed from sheet metal, and may be secured to the tube by a non-circular crimp. Circumferentially spaced ears may be formed on the tube and project into corresponding grooves within the collar.

Abstract: In connection with an arrangement for fastening a corrugated pipe (11) on an essentially hollow-cylindrical connector (12), at least one spring leg (15), which extends at a radial distance from and in a longitudinal direction to the connector (11) and has a retaining lug (18) radially projecting toward the latter, is formed on the connector (12), and an annularly-shaped clamping element (20) is placed on the outside around the corrugated pipe (11) pushed onto the connector (12), which generates a radial clamping force directed toward the corrugated pipe (11) on the at least one spring leg (15), for providing a dependable and simple connection technique (FIG. 2).

Abstract: Filtering element for hose fittings of irrigation systems, in particular but not exclusively for gardens or kitchen gardens, comprising a rigid tubular body at least partially filled with filtering material and having a first end and a second end respectively connectable to a first and to a second terminal of a fitting.

Abstract: A clip fitting for a hose that includes a hose nipple defining at least one circular groove. A circular seal is positioned in the groove. At least one hose clip is mounted on the hose nipple. At least one clamp is positioned on the hose clip over the seal. The fitting provides an improved seal between the hose and the nipple.

Abstract: A duct joiner for connecting an air duct to another duct or other part of an air conditioning system has a tubular neck portion, a retaining clip and a sealing ring both mounted on the neck portion. The retaining clip has a ring portion received in a groove in the outer surface of the neck portion and a series of resilient teeth extending outwardly from the ring portion. The teeth are resiliently deformable to allow a hollow duct to be fitted over the neck portion and have either sharp edges or barbs thereon which dig into the internal surface of the duct to retain the duct on the neck portion of the joiner. The sealing ring has a ring section received in another groove in the outer surface of the neck portion and a resilient skirt which provides a seal between the neck portion of the joiner and the duct. The joiner may have one or more other neck portions with respective retaining clips and sealing rings for joining one duct to one or more other ducts.

Abstract: A ferrule includes a tubular wall and end wall which is divided into radially extending fingers, each of which terminates at a barb member formed by deflecting a tapered end portion of the finger. The end wall fingers extend orthogonally to the longitudinal axis of the tubular wall and the barb members are each inclined at an acute angle to the carrying fingers and axis such that when a tubular body, such as a braided or like textile sleeve, is received in the tubular wall and the end all is swaged to cause the fingers to enter the body and lie flat against the tubular wall, the bars are caused to penetrate the body and be flattened by the tubular wall to point in the direction towards the body end and inhibit its removal. The tubular wall may be circumferentially continuous (annular) or discontinuous (slit) and openable.

Abstract: A two-piece connector includes a collar having an aperture in its relatively thick end-wall which bears an internal annular groove. The skirt of the collar is adapted to be slipped over the end of a length of tubing and contains tines to graspingly engage the outer surface of the tubing. The barb portion of the connector is adapted to fit through the aperture in the end-wall to frictionally engage the lumen of the tubing. An interrupted flange at the upper portion of the barb is adapted to twistably engage the internal annular groove in the end-wall to securely lock the barb to the collar.

Abstract: A connector for electrical cable includes a tubular receptacle member and a wire-gripping member which mate with a wedge-fit so that the wire-gripping member squeezes down tighter on the electrical cable as it is pushed farther into the receptacle. The wire-gripping member includes wire gripping legs. The wire-gripping member is assembled together with the receptacle by inserting it through discontinuities in the receptacle, rotating it a few degrees, and then pushing it axially into the receptacle.

Abstract: A quick connect hose coupling assembly (10) of the type for joining fluid carrying conduits, including a female member (12) and a male member (40). The female member (12) has an annular portion (20) and a plurality of slots (21) defining fingers (22). The fingers (22) extend longitudinally from the annular portion (20) to a distal end (23). The male member (40) is inserted into a bore (50) defined by the female member (12). A flange (54) on the male member (40) engages a groove (52) in the female member (12) for limiting longitudinal movement of the male member (40) with respect to the female member (12) when the male member (40) is inserted in the bore (50) of the female member (12). A locking ring (64) is disposed in the groove (66) on the fingers (22) to prevent both outward radial movement of the fingers (22) and relative longitudinal movement between the male (40) and female (12) members. A sealing boot (58) is integral with the locking ring (64) and extends about the distal end (23) of the fingers (22).

Abstract: The invention relates to a connecting piece for connecting tubular members such as hoses, pipes, or other structural parts, carrying fluids with each other. A clamping part is available which has two half shell-shaped clamping halves with one clamping surface curved in accordance with the outer circumference of the end of the tubular member to be inserted. In their plug-in position the clamping halves are arranged at a distance to each other which permits insertion of the plug-in end of a tubular member. In their clamping position they enclose non-displaceably the plug-in end of the pipe, the hose or similar and they are simultaneously fixed on a contact part of the connecting piece.

Abstract: A coupling device for tubes includes first and second concentric cylindrical parts, the inner one of which has at one end thereof, a plurality of hinged arcuate clamping catches having retaining teeth on the inner faces thereof, the hinges for each of the clamping catches being resilient and functioning to urge the clamping catches outwardly away from the longitudinal axis of the inner member.

Abstract: A tube joint comprising (1) a tube joint body including a tubular guide, on at least one side thereof, for receiving a tube thereon, said guide having a groove in the circumference of the end portion thereof, (2) a clamping ring including a tubular portion which has external threads and a plurality of slits extending from said external threads to the end portion thereof in the direction of the axis, said tubular portion being concentrically positioned around the guide of the tube joint body with a space therebetween which is large enough to receive the tube therein in such a manner that the end portion of the tubular portion containing the slit area corresponds to the groove in the guide, and (3) a cap nut having internal threads in one end portion thereof, which engage with the external threads of the clamping ring, and the tapered portion of the interior surface of the other end portion having an aperture therein which is greater in diameter than the outer diameter of the tube, tightening of said cap nut ot

Abstract: A hose coupling wherein one terminal portion of the hose surrounds a first circumferentially extending external rib of a nipple. The rib is adjacent to the free end of the nipple and is separated from a second external rib by a cylindrical portion of the nipple. The terminal portion of the hose is surrounded by an annular clamping member which has a circumferentially complete annular portion surrounding the hose and being spaced apart from the nipple as well as several axially parallel elastic prongs which surround the first rib and the cylindrical portion of the nipple and have inwardly extending projections engaging that flank of the second rib which faces away from the first rib. Certain prongs are further provided with teeth which abut against the end face of the terminal portion of the hose.

Abstract: A flexible hose is secured to a fitting using elongated strips and band clamps in a conventional manner so as to prevent relative longitudinal movement between the flexible hose and the elongated strips. One end portion of each of the elongated strips is bent back so as to be contiguous to the next succeeding portion of the elongated strip so as to form a shoulder and a recess is formed in the fitting. The bent back portions are seated in the recess and retained therein by a band clamp acting on the next succeeding portion so that relative longitudinal movement between the elongated strip and the fitting is prevented by an abutting relationship between the shoulder of the bent back portion and a shoulder of the recess.

Abstract: A hose coupling having a threaded body and hose clamping fingers extending from the body, the body and the fingers being formed as a one piece unit in a single manufacturing operation the fingers being formed with a ridge around the exterior, and a separate slideable collar fitting around the fingers, and slideable along the finger so as to squeeze the fingers together when the collar is pressed towards the body, and releasing the fingers when the collar is pulled away from the body, the fingers having interior teeth, arranged to engage the surface of a hose, and bite into it when the fingers are squeezed together by the collar and at the transition between the fingers and the body, an interior sealing sleeve, of gradually reducing diameter, for making sealing engagement with the outer surface of the hose, when the hose is forced into the sleeve.

Abstract: An externally threaded split end fitting having a surface serving as a camming surface for an end-mounted nut. By advancing the nut along the split end of the fitting the camming surface reacting upon the nut causes a transmission of a reactive force through the nut onto the external threads of the split segmented end of the fitting causing in turn a radially inward bending of the jaw-like segments of the split head. The longitudinal axis of the fitting has a passageway for receiving one or more work pieces, whereby the pivoting of the segments clamp the workpiece(s) into the fitting. The fitting is unitary.

Abstract: A leakproof coupling means for use in connecting garden hoses and other conduit members which have cooperatively engageable male and female coupling members each having an end surface and each having a shoulder formed therein at a location spaced from the respective end surfaces, and a resilient tubular member of a size and shape to fit into the male coupling member, the resilient tubular member having spaced opposite end surfaces adapted to simultaneously sealably engage the respective shoulders formed in the male and female members when the members are coupled together. The present coupling means can be used between connected sections of garden hose and the like and can also be used between a garden hose and a faucet or tap connection therefor. The present device can also be modified to have the hose extend through and beyond one end of one of the coupling members for engagement with means on the other coupling members when the coupling members are connected together.