Abstract: A tapping sleeve for attaching a branch line to a main fluid conduit. The tapping sleeve has upper and lower sleeve members, bolted together around the main fluid conduit. Shell gaskets seal between the sleeve members and the main fluid conduit and a branch gasket seals around a side opening in the upper sleeve member. Metal shell gasket retaining rings secure the shell gaskets in place and a metal branch gasket retaining ring secures the branch gasket. In the preferred embodiment, the retaining ring has a circular cross section.

Abstract: A network for distributing a fluid under pressure. The network has a substantially horizontal main pipe situated at an upper level, with horizontal or vertical secondary pipes branching therefrom. The junction between the main pipe and a secondary pipe is provided by a branch clamp having a zone for covering at least one orifice formed in the top half-cylinder of the wall of the main pipe, into which zone there opens out a first end of a branch duct internal to the clamp, the other end of the duct being fitted with a coupling for coupling the clamp to the secondary pipe. The axis of the first end of the branch duct and the axis of the coupling form an angle a which is obtuse when measured between the axes in the flow direction of fluid flowing along the branch duct.

Abstract: A saddle tee assembly for connecting a lateral pipe to a main pipe. The saddle tee assembly includes a saddle tee boot, a collar means and clamping device. The saddle tee boot has a flexible saddle and cylindrical hollow tee section. The saddle attaches to a main pipe; the hollow tee section receives the lateral pipe in a first hollow section. A section hollow section with an internally tapered surface seals against the end of the lateral pipe. A flexible collar overlies the saddle about the periphery of the hollow tee. A clamping device circumscribes the main pipe to apply tension along the circumference of the main pipe to the collar thereby to force the collar into the saddle and the saddle against the main pipe. A water-activated mastic for improved sealing characteristics may be interposed between the saddle and the main pipe.

Abstract: By using fabrication procedures, and not using any casting procedures, a pipe sleeve assembly per se, or with additional components, is made for installation on a pipeline. When this pipe sleeve assembly is fully tightened about a plastic pipe, there is acceptable limited radial deflection of cross-sectional portions of the plastic pipe, being sealed by a surrounding gasket held in place by assembled fabricated parts and bolt and nut fasteners of this pipe sleeve assembly. On opposite sides of each separating gap of the pipe sleeve, side bar and lug units are welded to the pipe sleeve. Between opposite lugs, independently removable bolt and nut fasteners are secured. In one embodiment, opposite lugs both have holes, which are aligned to receive and to hold portions of a bolt. In another embodiment, one of the opposite lugs has a hole, and the other opposite lug has spaced portions thereof, each having an overlapping lip portion, which receive a drop in bolt portion located near the head of the bolt.

Abstract: A line-piercing valve assembly comprising first and second clamp housings, adapted to releasably clamp onto a line or section of tubing, a piercing pin insertable within the internal bore of a projection formed on one of the clamp housing, and, a separate one-way valve which mounts within the projection after removal of the piercing pin and can itself be removed and replaced in the event of damage or malfunction.

Abstract: In a pipe clamp for tapping and closing off plastic supply pipelines, the clamp upper shell is constructed from plastic and provided with a one-piece pipe socket. The clamp upper shell can be welded to the desired position of the supply pipeline. In the pipe socket, a coaxial, tubular metal insert, with an internal thread accessible from the interior of the pipe, is provided. To facilitate the handling of the pipe clamp and to strengthen its plastic, it is proposed that the metal insert, although it is constructed in one piece, be organized in two axial sections, different in shape and action. Of these, only the lower axial section is anchored in the pipe socket, while the upper axial section protrudes freely out of the upper front end of the pipe socket and makes the inner thread conveniently available for connecting eligible functional parts.

Abstract: A combination pipe piercing fitting and valve including a housing formed of a weldable plastic and having a valve casing communicating with a branch nipple. In the valve casing a valve stem and a boring tool are disposed for axial movement so as first to pierce a pipe welded to the housing and to then selectively open or close the branch nipple from the pipe. A sleeve for guiding the boring tool is axially and rotationally secured in the valve casing and extends at least past the area where the branch nipple enters the valve casing. This guide sleeve has a valve seat at its bottom end and an opening adjacent the branch nipple. This combination fitting and valve assures high operating reliability without leakage both during piercing of the pipe and during operation as a valve.

Abstract: This specification discloses a coupling device which is capable of being inserted into an opening of a pipe to form a branch point in the pipe. The device allows for the use of an inexpensive gasketing system and the device is configured such that it will not significantly impede the flow of liquid to the branch point or allow rotation or turning in the opening of the pipe.

Abstract: A duct fitting of generally cylindrical configuration for attachment to a relatively large, generally cylindrically-shaped flexible duct having a curved sidewall of easily deformed material, in which sidewall a hole of particular size has been created. This duct fitting is constructed of deformable sheet material and has first and second open ends, with the first end having a curvature conforming to the configuration of the curved sidewall of the flexible duct. The second end of the duct fitting is adapted to receive thereon, a relatively small branch duct to be connected in a leak-free manner to the flexible duct. In accordance with this invention, the first end of the duct fitting has a plurality of short, lateral slots disposed at spaced locations around its circumference, thus to define a plurality of bendable teeth arranged in a non-planar array.

Abstract: A saddle tee connector assembly for making a tee connection to a copper tube comprises a saddle tee connector with a bottom clamping portion, a top clamping portion with an outwardly extending boss which has a bore, an annular chamber in the bottom of the bore, a cutting pin positioned in the bore, and a drive nut which is rotated to move the cutting pin downwardly in the bore to cut a hole in the tube and is rotated in the opposite direction to retract the cutting pin from the hole in the tube. The drive nut and pin are removed to permit the attachment of a tube to the boss to form a tee connection. A method is provided for using the saddle tee connector assembly to make a tee connection to a tube.

Abstract: A tubular body having a pipe joint member attached to the peripheral wall thereof and communicating with the interior of the tubular body. The peripheral wall of the tubular body includes a curved wall portion having a circular-arc cross section and formed with a hole. The joint member has an outward flange at an intermediate portion of its length and a tubular portion positioned beyond the outward flange toward one end of the joint member and has its outer end inserted in the hole in the tubular body curved wall portion. The outward flange of the joint member is brazed to the outer surface of the tubular body curved wall portion with a brazing ring which is fitted around the joint member tubular portion and positioned outside the tubular body. The brazing ring is made of a brazing sheet including cladding of brazing material over each of its opposite surfaces and has one surface joined to the outward flange and the other surface joined to the outer surface of the curved wall portion.

Abstract: A refrigerant tube piercing tool capable of being removably and sealingly mounted on a refrigerant tube of copper or the like in a sealed refrigerant system to enable the recovery of refrigerant from the sealed system without discharge into the atmosphere. The tool includes a pair of clamp members one of which includes a sealing member and passageway combined with a threaded, pointed piercing member that is manually threaded into engagement with the tube for forming a hole therein and a fitting having a Schrader valve incorporated therein to which a hose leading to a recovery tank can be connected to enable refrigerant to be transferred into the recovery tank for subsequent use. The tool is reusable and can be removed after the refrigerant has been transferred into the recovery tank in order that the leak or other problem with respect to the refrigerant system can be repaired at which time the hole formed in the tube is closed by soldering or the like with the refrigerant system then being recharged.

Abstract: A coupling for connecting a connecting pipe to a main pipe. The coupling comprises a coupling member and a nut screwed into the coupling member. A projection having an arc-shaped cross-section and extending in the circumferential direction of the outer wall of the main pipe is formed on the outer wall of the main pipe, and the coupling member is rotatably fitted onto the projection. A conical shape groove connected to the high pressure fluid passage in the main pipe is formed on the outer wall of the main pipe, and the tip portion of the connecting pipe is pressed against the conical shape groove by tightening down the nut.

Abstract: The invention relates to a corrosion-preventive sleeve for preventing corrosion of a drilled hole in a metal pipe, and also to a mounting tool for mounting this corrosion-preventive sleeve in such drilled hole. The corrosion-preventive sleeve comprises an elastic sleeve and a corrosion-resistant metal sleeve to be inserted into the elastic sleeve. The elastic sleeve with the corrosion-resistant metal sleeve inserted therein in its diametrically contracted state is inserted into the drilled hole. Subsequently, the tapered member of the mounting tool is passed through the metal sleeve, whereby the latter is diametrically expanded. Then, with this, the elastic sleeve is also diametrically expanded and is intimately contacted with the inner surface of the drilled hole.

Abstract: A double air duct boot which includes a pair of identical opposed severable parts, joined through a central section. The two parts are geometrically symmetrical about the central section which joins the two parts. The central section includes a pair of identical halves joined at a central plane. The central section includes a pair of opposed segments of a cylinder constituting spaced, arcuate opposed side walls and a pair of opposed transverse walls joining the opposed arcuate side walls and lying in parallel planes. The central section is completed by a pair of elongated parallel end walls which extend perpendicular to the transverse walls to complete the closure of the central section. Each of the opposed severable parts includes a tapered riser section joined to the central section through an intermediate, optionally usable, arcuate duct mating section.

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 fluid pipe assembly comprises a block, and a discrete eye joint. The block has a rear wall defining a mounting surface adapted to be mounted to a base, and a side wall defining a recess. The block includes mounting holes extending therethrough, and a passage extending from the recess and terminating at the mounting surface. The eye joint includes a generally spherical wall defining an axial hole, and a short cylindrical wall extending from the generally spherical wall and communicated with the axial hole. The short cylindrical wall of the eye joint is brazed to the recess of the block to form a joint. A pipe includes a cylindrical wall in which an opening is formed. The pipe extendes through the axial hole of the eye joint so that the opening may be aligned with the short cylindrical wall. The pipe is brazed to the peripheral edges of the axial hole of the eye joint.

Abstract: A weldless and solderless fluid distribution piping system incorporating solely mechanical retention of one or more inlet/outlet fittings in holes in the side wall of a pipe. In each case, the fitting has at one end a fishmouth configuration and an annular bead, and this end end is first inserted into the hole in the pipe and the bead thereafter forcibly expanded into tight mechanical and sealing relationship with the edges of the hole. A deformable and resilient sealing gasket can optionally be interposed between the fitting and pipe to provide an improved seal, if desired. Novel apparati and a method for attaching such fittings to a pipe are also disclosed.

Abstract: A corporate stop is shown for sealing an opening in the sidewall of a host pipe. The stop has a threaded stem with an enlarged head portion and a neck portion of reduced size. A flexible sleeve member is received about the neck portion of the stem and has an upper end and a lower end which accommodates the enlarged head portion of the stem. A compression washer has an upper side and a lower side which fits about the sidewall of the conduit. The washer also has an opening which is alignable with an opening provided in the sidewall of the conduit. The lower side of the washer has a recess for receiving the upper end of the sleeve member when the stop is installed on the conduit performing an external seal with respect to the conduit. A clamp nut is engageable with the neck portion of the threaded stem for forcibly moving the lower end of the sleeve member over the head portion of the stem to expand the lower end of the sleeve member and form an internal seal with an opening in the conduit.

Abstract: What is disclosed herein is a novel metal coupling in combination with a fastening means to couple the metal coupling to a pipe surface, in that, the coupling is situated over a formed aperture in a pipe, a cable is looped over a supporting prong on the coupling, and a bolt, fastened to the cable, is tightened to draw the cable down onto the surface of a pipe, which in turn draws the metal coupling down onto the pipe in a secure manner.

Abstract: In causing a pressure head portion on the terminal of a branch pipe to be abutted and tightly pressed against a pressure receiving bearing surface formed in a through hole in a high-pressure fuel rail, the pressure bearing surface is formed in the shape of a spherical surface having a curvature radius (.gamma.) of 0.4D to 10D, wherein D is the diameter of the branch pipe. Since the branch pipe has such a spherical pressure bearing surface, a uniform surface pressure can be obtained should the branch pipe be installed in an inclined state, and such an inclination or eccentricity can be rectified by the shapes of the pressure receiving bearing surface and the pressure bearing surface to provide a uniform surface pressure.

Abstract: A tapping band allowing for interconnection of fluid conduits without any interruption to fluid flow includes means (1A and 1B) adapted, in use, to be disposed around a first pipe (2) and having an outlet (3) extending substantially normally therefrom, the outlet (3) in turn defining the locale intended for tapping. The outlet (3) includes a slot (9) for receiving and releasably retaining a sealing member, in the form of a valve blade (10). The arrangement is such that, once in position relative to the conduit (2), a suitable drilling means is employed for tapping into the conduit (2) via the outlet (3), with the valve means then acting to seal the outlet (3) once the tapping means has been withdrawn. A secondary conduit (20) can then be joined to conduit (2) in any known manner and, when joined, the valve blade (10) can be withdrawn from the slot (9), thereby allowing fluid to pass from conduit (2) into conduit (20).

Abstract: A quick connect branch connector includes a saddle to which one end of a spring clip is hingedly connected, a traction device being provided at the opposite end of the spring clip for cooperation with the saddle, whereby the spring clip can be placed under tensile hoop stress in encircling relation with a pipe.

Abstract: A plastic socket pipe joint comprising a cylindrical plastic socket pipe joint body, an electric heating wire buried in the cylindrical inner surface of the plastic socket pipe joint body, and two connector pins embedded in the plastic socket pipe joint body. The lower ends of the connector pins are connected to both ends of the electric heating wire and the upper ends thereof protrude from the cylindrical outer surface of the plastic socket pipe joint body. Two recesses are formed in the plastic socket pipe joint body near the connector pins for receiving respective thermocouples. The plastic pipe joint is welded to a plastic pipe by applying current to the electric wire. The temperature of the plastic pipe joint is measured with the thermocouples so that when the temperature drops to a predetermined value, the application of current is suspended.

Abstract: An improved pipe branch fitting for use with a pipe having a pre-cut hole is disclosed. The branch fitting has a cylindrical body freely slidable along the pipe to a point where the hole is pre-cut. On one side, the cylindrical body carries an internally threaded boss into which a modified sprinkler head may be threaded. A gasket positioned between the sprinkler head and the pipe gives the seal as the sprinkler head bears upon the gasket upon tightening of the sprinkler head. The inner end of the modified sprinkler head has a stepped shoulder which abuts the periphery of the hole in the pipe and limits compression applied to the gasket. A reduced diameter end portion of the modified sprinkler head locates itself in the hole and indicates if the fitting is misaligned with the hole. The end walls of the body are each tapered toward the boss to facilitate the sliding of the cylindrical body, when assembled on the pipe are supporting structures of a building in which the piping system is being installed.

Abstract: Branch connectors connected with a high-pressure branched fuel tube forming a fuel supply passage to a Diesel engine. Each connector has a circulation passage through which high-pressure fuel circulates. The passage extends axially within the main pipe. Holes extend through the wall defining the passage. Pressure-receiving seat surfaces are formed, each around an opening in the outer surface of the main pipe. The diameter of the opening increases outwardly. Each connector has a fluid passage in communication with the circulation passage, as well as a push head portion bearing on the corresponding seat surface. Coupling metal fittings surround the main pipe. The connectors are screwed to their respective fittings, for fastening the connectors to the main pipe. The bearing portion of each push head portion is a substantially spherical surface whose center is located on the axis of the connector.

Abstract: Disclosed is a bidet attachment for mounting on a standard toilet. A nozzle is mounted on the underside of the toilet seat. Water is supplied to the nozzle through a conduit from a water supply pipe. The conduit is connected to the pipe with a T-tap having two halves. The two halves are bolted together and a hole is drilled through the pipe using a special tool. The conduit is secured to the T-tap with a crimping collar that slides over a tapered extension on the T-tap. Water flow rate is controlled by a cam valve. The cam valve can be opened and closed with a control handle to place a selected amount of squeeze on the conduit to allow a selected amount of water to flow through the conduit.

Abstract: A novel thermoplastic manifold and thermoplastic fluid fittings for the distribution of fluids, such as pressurized carbonated water, has an elongate tubular thermoplastic conduit with a plurality of apertures spaced along its length for receiving the thermoplastic fittings. Each fitting has a spud extending from one end thereof with a sonic energy director around the perimeter thereof. The fittings also include a saddle portion having a pair of arcuate sonic energy directing ridges thereon spaced on each side of the spud. Each fitting is fastened and sealed to the conduit by the sonic welding of the spud perimeter to the conduit aperture perimeter followed by the sonic welding of the saddle to the exterior surface of the tube.

Abstract: A drain fitting adapted to receive and direct condensate into a drain pipe comprises a cylindrical body with multiple stepped diameters for attaching condensate drain hoses of different sizes, and includes an internal one-way ball check valve to prevent material from reversing flow and escaping out of the drain pipe. The body attaches to the drain pipe by either a clamped-on connector consisting of multiple parallel hinged elements molded integral with both the fitting body and with each other, or by being glued into a screwed-in fitting received in the threaded opening of a Y-branch fitting in the drain pipe. The ball is retained in the check valve opening by ridges formed by pressing a hot tool to crimp over the edges of the fitting opening.

Abstract: A T-branch formation device using two identical side members to form a snap-on saddle around a resilient plastic pipe and a screw-in coupling cutter which cuts through resilient piping, retains the cut piece, and simultaneously provides a threaded surface for attaching a branch tubing which forms a leak-proof connection.

Abstract: A saddle tee for irrigation pipe utilizing a unique structure for clamping the saddle tee in sealed relation to the main pipe. The saddle tee is of one-piece construction and is specifically adapted for use with underground irrigation pipe and can be used with pipes of different size within certain limits. The saddle tee is constructed of plastic material in order to eliminate corrosion and includes a clamp structure which is provided with interengaging serrated components that can be tightened into place without the use of tools such as normally required to operate two-piece clamps that are secured in clamped relation by bolts or screws and nuts.

Abstract: The disclosure herein describes a connector for use in a network of mains and tubes for directing sap collected from trees to a central sap-processing unit. The connector, which is used for conveying sap from a tube to a main, first comprises a clip for encircling the main. The clip consists of a separatable band having interlockable ends which are so shaped as to draw the band onto the main when interlocking is carried out. The connector also comprises a sap conveying member which is rotatably engaged in an opening defined in the band, the conveying member having one end adapted to penetrate a pre-pierced hole in the main. The conveying member is rotatably orientable with respect to the clip and to the main for connection with tubes having varying angles relative to the axis of the main.

Abstract: A method is disclosed for cutting an opening in the side of a pipe carrying gas under pressure, providing a bypass through the cut, and terminating the bypass when the pipe has been repaired, along with apparatus for performing steps of the method. To provide the bypass, a branching saddle is bonded to the pipe, and a fixture is mounted on the pipe at the saddle. The fixture comprises a barrel having an inlet at one end, into which the pipe stub of the branching saddle extends, and a second inlet at its opposite end, through which various tool-insertion assemblies may be inserted, and an axial bore connecting the inlets. A gate valve, housed within a drum around the midsection of the barrel, is operable to divide the barrel so that the bore region in its upper part is pressure-isolated from that in its lower part.

Abstract: A tubular fitting used for the connection of pipes, is formed such that if a main pipe and a branch pipe are inserted respectively within a through hole and a branch hole within the main fitting, and are coupled with the main fitting by means of the engaging body being engaged with the branch pipe and the branch pipe being engaged with the main pipe, the main pipe and the branch pipe can be securely connected by mechanical means without having to perform brazing operations.

Abstract: A tapping sleeve for attaching a branch line to a main fluid conduit. The tapping sleeve has upper and lower sleeve members, bolted together around the main fluid conduit. Shell gaskets seal between the sleeve members and the main fluid conduit and a branch gasket seals around a side opening in the upper sleeve member. Metal shell gasket retaining rings secure the shell gaskets in place and a metal branch gasket retainer secures the branch gasket. In the preferred embodiment, the retainer is a retaining ring. In an alternate embodiment, the branch gasket is secured by a shoulder formed by extruding the upper sleeve member.

Abstract: A fluid connection is made to a conduit with a fluid connector by piercing a wall of the conduit. The connector includes a hollow nose portion. The connector is mounted on a tool having a punch pin extending through and beyond the nose portion. The wall is pierced by a point on the punch pin, and the hole is enlarged by forcing the nose portion through the wall while the punch pin supports the wall of the nose portion. A fluid tight seal is formed between the nose portion and a collar of deformed wall material.

Abstract: A flexible pipe saddle molded from a flexible resilient polymer includes a hollow, semi-cylindrical saddle portion adapted to overlie the external surface of a main pipe having a hole therein. The saddle is provided with a radially directed aperture with a radially, inwardly directed, circumferential flange extending about the aperture and extending into the hole in the pipe to locate the saddle relative to the hole in the pipe. The saddle is also provided with a hollow tubular sleeve having a stepped, internal cylindrical surface defining a stepped shoulder for limiting the insertion of a lateral pipe. A hollow tubular bushing of the same material as the saddle is removably disposed in the hollow tubular sleeve and has a radial thickness less than the radial dimension of the stepped shoulder so that a smaller diameter lateral pipe may be used and still abut against the stepped shoulder.

Abstract: This invention relates to an internal expansion coupling device for forming a T-joint between essentially perpendicularly disposed tubular members, where one of the tubular member is provided with a circular wall opening aligned with an open end of the other tubular member, and said circular wall opening includes an elastomeric collar thereabout.

Abstract: This invention provides a pipe saddle assembly comprising (a) an insert housing having an outer open end and an inner open end, the inner open end being adapted for positioning adjacent to and around an opening in the wall of a pipe; (b) an insert having an outer end, an opposite inner end and an opening extending through the insert from its inner end to its outer end, the insert being positioned in the housing such that the inner ends and outer ends of the insert and the housing are respectively adjacent each other; (c) the inner end of the insert being adapted for positioning adjacent to and around the opening in the wall of the pipe; (d) the outer end of the insert being adapted to operatively engage a take-off means; and (e) the insert housing having means adapted to receive and engage the take-off means such that the take-off means holds the insert in a sealing position around the opening in the pipe and against the take-off means.

Abstract: A bolt-on fitting is shown for coupling a fitting to an object having external sidewalls and a normally closed interior containing a liquid, such as a water heater tank or boiler. The bolt-on fitting has a body with an inner surface and an outer surface. A plurality of bolt openings are spaced about the periphery of the body. An O-ring is located on the inner surface for sealing between the flange and the mating surface on the tank. The inner surface of the flange is concave, being curved about both a horizontal and a vertical axis drawn to bisect the body so that the bolt openings form isolated points of contact with the tank surface when the flange is bolted into position.

Abstract: A flexible saddle device provides a leak-proof tap into pipes of various sizes. The saddle device, which is made of a flexible elastomeric material, has a fitting portion for receiving the end of a branch pipe and a coupling portion for coupling onto a main pipe. The coupling portion includes an arcuate wall that can be flexed to accommodate the outside diameters of various sized pipes. The coupling portion has circumferential edge portions which extend circumferentially on the main pipe and longitudinal edge portions which extend longitudinally on the main pipe. The longitudinal edge portions each have a stiffener, which is made of a relatively stiff material, and a lip that projects inwardly from the inner surface of the coupling portion. The stiffeners extend between the circumferential edge portions and resist outward bowing when the coupling portion is flexed to fit onto a pipe that is of a smaller radius than the unflexed coupling portion.

Abstract: A sealing ring for use in sealing a spigot and the like in an oversized hole is formed of resilient material and comprises a proximal portion, a distal portion and an intermediate seating portion. The proximal portion has an external diameter greater than the diameter of the hole and is adapted for location in a seating groove surrounding the spigot The distal portion has an external diameter between The diameters of the spigot and the hole and an internal diameter less than the spigot diameter and is adapted for location in the gap between the spigot and the hole. The intermediate seating portion is between the proximal and distal portions and tapers inwardly from the proximal portion to the distal portion such that the intermediate seating portion seats on the edge of the hole and centers the seal and spigot.

Abstract: An improved mounting bracket for mounting diffusers on submerged air lateral pipes in a waste water treatment system. Each mounting bracket includes a pair of complemental saddle sections which can be clamped securely yet releasably on the air lateral with an outlet spout of the saddle in registration with a discharge port in the bottom of the air lateral. A Tee fitting has a pipe nipple connected with its inlet, and the pipe nipple can be threaded into the outlet spout. Virtually any type of diffuser can be solvent welded to each outlet of the Tee fitting. The mounting bracket surrounds and reinforces the air lateral at the diffuser connection point and takes advantage of relatively large diameter pipe at the threaded connection between the outlet spout and pipe nipple. All parts can be PVC or a similar plastic and can withstand the stresses which are applied because of the structural strength of the diffuser mounting arrangement.

Abstract: A structure for connecting a branch pipe in a high-pressure fuel manifold employs a nut to fasten the branch pipe to a main pipe, the nut having threaded surfaces which are simultaneously brought into thread engagement with the branch pipe and a coupling member which is secured to the main pipe in such a manner as to surround the peripheral wall thereof. Therefore, it becomes unnecessary to conduct a welding operation which has heretofore been needed to connect the joint portion of the branch pipe to the main pipe. The connecting structure satisfactorily endures ultra-high fluid pressure even under vibrations. In addition, there is no fear of fuel leaking out through the joint nor risk of the branch pipe coming off.

Abstract: Method and device for mounting a body in a conduit containing fluid. An installation unit is mounted on the fluid at that place, where the mounting of said body is desired, whereby sealing is established against the environment around an area, where a hole is going to be made in the surface of the conduit. The hole is made in the conduit in said area maintaining sealing against the environment. A body is inserted through the hole, so that the body will be placed in the conduit.

Abstract: A service tee comprises a tubular T-piece 1 having a through-portion 2 with a flexible lower end 6 for connection to a gas or water main 70 by way of a hole in the wall of the main and a side branch portion 3 for connection to a service pipe. The end 6 of the through-portion 2 is adapted for initial insertion into the hole in the wall of the main 70 and then for subsequent radial outward expansion so that its surface sealingly engages with the edge of the hole. An expander 4 is provided for location within the end 6 of the through-portion 2 and is adapted in a first position to permit initial insertion of the end of the through-portion into the hole and on movement to a second position to cause expansion of the end 6 into engagement with the edge of the hole.

Abstract: A rigid thermoplastic manifold for the distribution of pressurized carbonated water has an elongate tubular thermoplastic body with a plurality of apertures spaced along its length, a plurality of identical thermoplastic outlet fittings which each have at inlet spud with a sonic energy director and a pair of arcuate sonic energy directors spaced one on each side from the spud, each outlet fitting being fastened and sealed to the tube with three discrete sonic welds. A method of making the manifold is also provided.

Abstract: A clamp for securing a flexible watering tube to a water pipe associated with a watering system for poultry and/or small animals, the clamp including a generally U-shaped saddle which embraces the exterior of a water pipe, a tubular stem projecting in a direction away from a convex outer surface of the saddle, a passage in the tubular stem, a passage of legs in diametrically opposite spaced relationship to each other, the tubular stem being located between the two legs and defining therewith a pair of gaps, the legs having projections directed toward projections of the tubular stem, and the latter projections bite into the watering tube when an end portion thereof is inserted into the gaps.

Abstract: The present invention provides a branch type seal which is self adjusting for use on existing pipelines of various diameters and materials. The invention includes an adapter with a longitudinal bore which is axially aligned with the hole in the main pipeline. A plurality of deformable retaining fingers extending outward from the adapter engage a compression seal. The retaining fingers are deformed to contour to the pipeline surrounding the hole by a hubbed retainer which places pressure on the retaining fingers deforming the fingers and compression seal against the wall of the pipeline creating a leak proof seal.

Abstract: A device designed for being adapted to surround a duct formed with one or several orifices operable for feeding a fluid to an apparatus, such as a reactor, used for the treatment of liquids, notably water, and including a resiliently deformable membrane, also formed with one or several orifices communicating with that or those of the fluid feeding duct, characterized in that it is made of two half shells threaded and clamped onto the fluid inlet duct, one of which having a housing for the resiliently deformable membrane and an orifice for the distribution of the fluid to the apparatus.