Abstract: A wire harness including: a first conductor; a second conductor electrically connected to the first conductor; and a tubular contraction tube that covers a connection between the first conductor and the second conductor, wherein a determination pattern that includes a first determination pattern that allows a first contraction rate in a radial direction of the contraction tube to be determined is printed on an outer circumferential surface of the contraction tube.

Abstract: The present disclosure provides junction boxes for use with roof-mounted photovoltaic (PV) modules. The junction boxes may include a housing having a plurality of sides, a bottom having an aperture, and a top edge having a top opening, where the top edge has a lip disposed around the top edge and projecting upward from the top edge. The junction boxes may further include a lid removably coupled to the top edge of the housing and a seal disposed on an outer surface of the bottom of the housing.

Abstract: A solar junction box for a solar panel having at least one photovoltaic cell and a foil electrically connected to the at least one cell including a housing having a base and a cover coupled to the base. The base and the cover define a cavity. The base has a mounting wall including a mounting surface configured to be mounted to the solar panel including a foil opening at the mounting surface. A contact assembly is received in the cavity having a terminal including a foil contact configured to be terminated to the foil. The foil contact has a transition leg transitioning into the foil opening to interface with the foil and a mating leg configured to be mated with the foil. The mating leg extends at or beyond the mounting wall.

Abstract: A cable connector cover includes a unitary body configured to receive a connector mounted to a coaxial cable and comprises an interface portion, an intermediate portion and a cable relief portion. The interface portion has a forward inner surface defining a forward space configured to receive and engage an outer surface of an interface component. The interface portion comprises a first resilient material having a first characteristic softness. The intermediate portion has an intermediate inner surface defining an intermediate space configured to receive and engage an outer surface of a connector body. The intermediate space is smaller than the forward space. The cable relief portion has a rearward inner surface defining a rearward space configured to receive and engage the cable portion. The cable relief portion has a second characteristic softness which is stiffer than the first characteristic softness of the interface portion.

Abstract: A terminal-equipped electrical wire includes an electrical wire and a terminal fitting that is attached to the electrical wire. In the electrical wire, the terminal fitting includes a barrel portion crimped to a conductor core wire exposed from the electrical wire, and a contact portion to be connected to a mating terminal. The barrel portion is a cylindrical plate-like body in which one end and the other end overlap with each other after crimping, and has a plate-like body including a proximal end portion covering a sheath of the electrical wire, a distal end portion covering the conductor core wire away from the proximal end portion, and an intermediate portion connecting the proximal end portion and the distal end portion and covering the conductor core wire so as to isolate it from the outside between the proximal end portion and the distal end portion.

Abstract: A junction box is affixed to, and electrically coupled with, a solar panel. The junction box is configured to releasably engage and disengage accessory modules, thereby allowing accessory modules to be replaced or exchanged easily. Accessory modules are electrically coupled with other accessory modules in the solar panel string. The furthest downstream accessory module is connected to a wire harness, which is connected to a central combiner box.

Abstract: A solar junction box for a solar panel includes a contact assembly having a base configured to be mounted to a solar panel and a terminal held by the base. The base has at least one foil opening configured to receive a foil. The terminal has a protection device contact configured to be terminated to a protection device. The terminal has a foil contact configured to be terminated to the foil. The terminal has a terminating contact configured to be electrically connected to a terminating assembly. The solar junction box includes a cover covering the contact assembly. The cover has walls defining a cavity receiving the terminal of the contact assembly. The walls are configured to be mounted directly to the solar panel.

Abstract: Disclosed is a vehicle including a steering wheel arranged offset toward one side in a vehicle body right/left direction, and an electric power steering unit. The electric power steering unit includes a link mechanism operably connected to the steering wheel and extending from a right/left center side of the steering wheel toward a vehicle body right/left center side to be operably connected to a wheel side, an assist device for the link mechanism, a control lever arranged adjacent the vehicle body right/left center in the vicinity of the steering wheel, a rotation shaft operably connected to the control lever to be rotated about a right/left axis that extends in the vehicle body right/left direction, and a control cable operably connected to the rotation shaft. A base end portion of the control cable is more offset toward the one side than the assist device.

Abstract: A terminal-equipped coated wire having an exposed conductor portion at an end portion of a coated wire in which a conductor is coated with a coating material, a terminal fitting—connected to the conductor at the exposed conductor portion, and an anticorrosive agent with which a contact portion between the conductor and the terminal fitting is sealed, wherein an anticorrosive agent which is composed of a cured product of a curable resin and in which the cured product has a crosslink density within a range of 0.6×10?5 to 4×10?4 (mol/cm3) is used as the anticorrosive agent.

Abstract: A terminal connection device for connecting an end of a medium- or high-voltage power cable to a connection point comprises a) an interface cable having first and second end portions, comprising an inner conductor and a conductive or semiconductive layer; b) a first stress control tube comprising a stress control element, and an insulating layer arranged around the stress control element, wherein the first stress control tube is mounted on the first end portion of the interface cable; c) a first cable connector for connecting the interface cable to the power cable, the first cable connector being connected to the second end portion of the interface cable; and d) one or more tubular shrinkable sleeves, at least a portion of one of the tubular shrinkable sleeves extending over at least a portion of the first stress control tube wherein the portion of the tubular shrinkable sleeve extending over at least a portion of the first stress control tube is shrunk down around at least a portion of the first stress contr

Abstract: A protector for an RF connector includes a first sealing assembly for connection with a cable and a second sealing assembly for connection with a communication equipment. The first sealing assembly includes a sealing ring for matching with a sheath of the cable and a member which has an internal thread or elastic structure for matching with the RF connector. The second sealing assembly is provided with an elastic silicone rubber jacket for connection with the communication equipment.

Abstract: A cable termination device includes a housing and an insertion opening for a cable in order to terminate the cable end so that it is safe to touch. The housing includes a sealing cap and a screw-on unit cooperating therewith. The insertion opening for receiving at least one cable end is provided on the screw-on unit, and the sealing cap has a rounded design toward the outer end.

Abstract: Provided is an aluminum cable with crimping terminal in which a copper or copper alloy crimping terminal is crimped to a conductor that is exposed by peeling off an insulating covering member in a terminal portion of an aluminum cable in which an outer periphery of the conductor constituted by twisting a plurality of aluminum or aluminum alloy strands is covered with the insulating covering member. A water-repellent treatment with a water-repellent agent including a solvent having water-repellency is performed with respect to the conductor.

Abstract: A crimped terminal attached aluminum electric wire includes an aluminum electric wire that includes a conductor part made of aluminum or aluminum alloy and an insulative coating part which surrounds the periphery of the conductor part, and a crimped terminal that is crimped to the conductor part which is exposed by removing the insulative coating part at an end of the aluminum electric wire. The crimped terminal includes a conductor crimping part which is crimped to the exposed conductor part, and an end side conductor crimping part which is formed at an end at the side of the crimped terminal to which the aluminum electric wire is connected, and which is crimped to the conductor part at a radial compression rate which is smaller than that at which the conductor part is crimped by the conductor crimping part.

Abstract: A crimp terminal (10) has a connecting portion (12) that is conductively connected to an electrical connection target, a crimp portion (14) that has a core crimping portion (22) that is fixed by crimping to a core (38) of a coated wire (32), and a link (16) that extends between the connecting portion (12) and the crimp portion (14), a positioning protrusion (30) is formed by a pair of slits (26) penetrating through the link (16) and extending in a direction along which the link (16) so as to be separated from each other in a width direction orthogonal to the extension direction. An intermediate region (28) sandwiched between the slits (26) in the width direction is deformed to protrude on a side on which the core crimping portion (22) protrudes.

Abstract: An electrical connection is provided for an environment that is subjected to corrosive gases or liquids. An outer insulating layer is formed on each of at least two conductors and made up of a fluorinated polymer that is meltable at a temperature situated between the temperature of the environment and a predetermined higher temperature. A heat-shrink sleeve surrounds the conductors and is made up of an outer layer of heat-shrink polymer and an inner layer of the fluorinated polymer that is meltable at a temperature situated between the temperature of the environment and the predetermined higher temperature. A weld is formed by melting the outer insulating layers of the conductors and the inner layer of the heat-shrink sleeve by heating to a temperature higher than the temperature of the environment and lower than the predetermined higher temperature, thereby making a weld that is continuous and leaktight, and of controlled thickness.

Abstract: A cover and a system of covers for placement in sealed relation over a connector or a pair of connectors that is or are adapted to terminate a cable or splice together a pair of cables. The covers include a cable end that sealingly receives a cable therein, an elongated body that provides secure cover to a cable connector, and an end that abuts a bulkhead or sealingly engages with a second cover when used in a splicing application.

Abstract: A crimp terminal (10) has a connecting portion (12) that is conductively connected to an electrical connection target, a crimp portion (14) that has a core crimping portion (22) that is fixed by crimping to a core (38) of a coated wire (32), and a link (16) that extends between the connecting portion (12) and the crimp portion (14), a positioning protrusion (30) is formed by a pair of slits (26) penetrating through the link (16) and extending in a direction along which the link (16) so as to be separated from each other in a width direction orthogonal to the extension direction. An intermediate region (28) sandwiched between the slits (26) in the width direction is deformed to protrude on a side on which the core crimping portion (22) protrudes.

Abstract: A connection structure of an electric wire and a terminal includes the electric wire, the terminal, and a seal part. The electric wire has an insulating coated part in which a conductor part is covered with an insulating material, and a conductor exposed part in which the insulating material of an end of the electric wire is removed. The terminal includes a first crimp part crimped to the insulating coated part, and a second crimp part crimped to the conductor exposed part. The seal part is made of thermoplastic elastomer and covers a surface including the first crimp part and the insulating coated part of a side extending from said first crimp part toward a direction opposite to the end of the electric wire and a surface of the second crimp part in an extension direction of the electric wire.

Abstract: A cover and a system of covers/boots for placement in sealed relation over a connector or pair of connectors that is or are adapted to terminate a cable or splice together a pair of cables, preferably cables that carry signals received by a receiving apparatus on a cell tower. The covers include a cable end that sealingly receives a cable therein, an elongated body that provides secure cover to a cable connector, and an end that abuts a bulkhead or sealingly engages with a second cover when used in a splicing application.

Abstract: A cover and a system of covers for placement in sealed relation over a connector or a pair of connectors that is or are adapted to terminate a cable or splice together a pair of cables. The covers include a cable end that sealingly receives a cable therein, an elongated body that provides secure cover to a cable connector, and an end that abuts a bulkhead or sealingly engages with a second cover when used in a splicing application. For spliced cables, an adapter may be fitted into a gap between surfaces of the first and second covers to provide sealing.

Abstract: A corrosion resistant electrical connection structure has an electrically conductive cable with an electrically conductive core and an insulative outer cover. An electrically conductive terminal is electrically connected to a lead of the core that extends beyond the insulative outer cover. A molded hot melt seal seals the lead of the core and the terminal interface section from ambient electrolytes. In an exemplary embodiment, the core is made from aluminum or an aluminum alloy and the terminal is made from a copper alloy.

Abstract: A fuel cell 12 has a liquid electrolyte 20, a cathode electrode 28, and an anode electrode 26. The fuel cell includes an electrolyte condensation zone 58 extending from an edge 56 of a first catalyst layer 36 on the cathode electrode to an outer edge 48 of an edge seals 52 and 49. An anode electrode has an anode catalyst layer 30 with an end substantially coinciding with an inner edge 53 of the edge seals. The acid condensation zone is located near the reactant exit, so that electrolyte that has evaporated into the reactant stream can condense out before leaving the fuel cell for re-absorption back into the fuel cell.

Abstract: A cable connector assembly for outdoor connection to transceivers. Electrical connection between a component of the cable connector assembly and a connector inside an electronic assembly to which the cable connector assembly is attached is made through a force generated by a biasing member within the cable connector assembly. The biasing member may generate the force as the cable connector assembly is attached to an adapter. Once the cable connector assembly is disengaged from the adapter, the force is released, allowing easy removal of the cable connector assembly, without the need to release a latch. In an environmentally sealed connector in which access to a release mechanism may be restricted, such a structure provides ease of use for either electrical or optical connectors.

Abstract: An integral bonding attachment includes an insulated section of a conductive wire with an exposed, uninsulated section. A sleeve covers the insulated and uninsulated sections of the conductive wire, and the sleeve includes a flattened section encasing at least a portion of the uninsulated wire section to form a generally integral structure with the core of the conductive wire. At least one generally tubular section is positioned at an end of the flattened section to engage the insulated section of the conductive wire. An aperture may pass simultaneously through the inner core and flattened sleeve section for attaching the integral bonding attachment to a structure.

Abstract: Provided are a supported catalyst for a fuel cell, a method of preparing the same, an electrode for a fuel cell including the supported catalyst, a membrane electrode assembly including the electrode, and a fuel cell including the membrane electrode assembly. Specifically, the supported catalyst for a fuel cell has a layered structure obtained by sequentially depositing a carbonaceous support, metal oxide particles, and catalyst metal. The supported catalyst has excellent electrical activity, excellent durability, and can be easily mass-produced at low cost. The membrane electrode assembly including the supported catalyst and a fuel cell including the membrane electrode assembly each show excellent output density and high performance.

Abstract: A cable connector assembly for outdoor connection to transceivers. Electrical connection between a component of the cable connector assembly and a connector inside an electronic assembly to which the cable connector assembly is attached is made through a force generated by a biasing member within the cable connector assembly. The biasing member may generate the force as the cable connector assembly is attached to an adapter. Once the cable connector assembly is disengaged from the adapter, the force is released, allowing easy removal of the cable connector assembly, without the need to release a latch. In an environmentally sealed connector in which access to a release mechanism may be restricted, such a structure provides ease of use for either electrical or optical connectors.

Abstract: A method of sealing a cable penetration includes assembling a cable seal and inserting the cable seal into a cable penetration. Assembling the cable seal includes adhering at least a portion of a heat-shrinkable tubing to at least a portion of a cable outer jacket, and positioning a secondary elastic seal over the heat-shrinkable tubing. An example of a secondary elastic seal could be O-rings. A cap or other means provides the outer sealing surface.

Abstract: A method for forming a protected disconnectable joint assembly includes providing a disconnectable joint assembly. The disconnectable joint assembly includes: an electrical transmission power cable including a conductor and a cable insulation layer covering the conductor, the conductor having a terminal end; an electrically conductive cable connector affixed to the terminal end of the power cable and having a connector coupling portion; a busbar including an electrically conductive busbar body, a busbar coupling portion extending from the busbar body, and a busbar insulation layer covering the busbar body; and a disconnectable coupling mechanism mechanically securing the cable coupling portion to the busbar coupling portion to provide a joint between the cable and the busbar. The disconnectable coupling mechanism is selectively operable to disconnect the cable connector from the busbar without severing the cable.

Abstract: An integral bonding attachment includes an insulated section of a conductive wire with an exposed, uninsulated section. A sleeve covers the insulated and uninsulated sections of the conductive wire, and the sleeve includes a flattened section encasing at least a portion of the uninsulated wire section to form a generally integral structure with the core of the conductive wire. At least one generally tubular section is positioned at an end of the flattened section to engage the insulated section of the conductive wire. An aperture may pass simultaneously through the inner core and flattened sleeve section for attaching the integral bonding attachment to a structure.

Abstract: A cover/boot and a system of covers/boots for placement in sealed relation over a connector or pair of connectors that is or are adapted to terminate a cable or splice together a pair of cables, preferably cables that carry signals received by a receiving apparatus on a cell tower. The covers include a cable end that sealingly receives a cable therein, an elongated body that provides secure cover to a cable connector, and an end that abuts a bulkhead or sealingly engages with a second cover when used in a splicing application.

Abstract: An integral bonding attachment includes an insulated section of a conductive wire with an exposed, uninsulated section. A sleeve covers the insulated and uninsulated sections of the conductive wire, and the sleeve includes a flattened section encasing at least a portion of the uninsulated wire section to form a generally integral structure with the core of the conductive wire. At least one generally tubular section is positioned at an end of the flattened section to engage the insulated section of the conductive wire. An aperture may pass simultaneously through the inner core and flattened sleeve section for attaching the integral bonding attachment to a structure.

Abstract: A rocket for use with an electrical connector. The rocket is made of suitable resilient material and is used to seal a port through which a conductor passes to connect to the connector. The rocket has a tubular base section that snugly fits within the port, and a longer, tapered, tubular, sealing section extending from one end of the base section. The sealing section is cut through along a line transverse to its longitudinal axis at a location on the section to provide an opening through which a conductor of a specific size, relative to the opening, can pass while expanding a portion of the sealing section adjacent the opening so as to tightly seal it against the conductor.

Abstract: A terminal with a heat shrink tube for wrapping connected wires includes a metal sleeve being made of copper and having an enlarged portion formed on one end of the metal sleeve. The metal sleeve receives at least one stripped litz wire and is securely electrically connected to the at least one stripped litz wire after being clamped. A plastic collar is longitudinally connected to the enlarged portion of the metal sleeve. The plastic collar is a heat shrink tube and has a tapered portion formed on one end of the plastic collar. The tapered portion is connected to the enlarged portion of the metal sleeve such that a diameter of the tapered portion is gradually reduced relative to the metal and adapted for guiding the at least one stripped litz wire into the metal sleeve.

Abstract: A terminal with a heat shrink tube for wrapping connected wires includes a metal sleeve being made of copper and having an enlarged portion formed on one end of the metal sleeve. The metal sleeve receives at least one stripped litz wire and is securely electrically connected to the at least one stripped litz wire after being clamped. A plastic collar is longitudinally connected to the enlarged portion of the metal sleeve. The plastic collar is a heat shrink tube and has a tapered portion formed on one end of the plastic collar. The tapered portion is connected to the enlarged portion of the metal sleeve such that a diameter of the tapered portion is gradually reduced relative to the metal and adapted for guiding the at least one stripped litz wire into the metal sleeve.

Abstract: EMI-shielding strain relief boots and dust covers and methods of using these boots and dust covers are described. An inventive EMI-shielding strain relief boot includes a flexible elongated boot body and an EMI shield. The boot body has a proximal end, a distal end, and an inner surface defining a bore sized and arranged to contain an end portion of a transmission cable and an associated cable connector. The EMI shield extends along a substantial length of the boot body and is configured to shield a region of the bore from interfering electromagnetic radiation. The distal end of the boot body is slidable over the cable connector and is conformable to and envelopable about at least a portion of a pluggable transceiver connector. The dust cover has a flexible elongated dust cover body and an EMI shield.

Abstract: An electrical crimp connector comprises a metallic crimp barrel adapted to receive the bared end portion of an electrical conductor and a heat-shrinkable polymeric sleeve in which the crimp barrel is received. The insulating sleeve is comprised of an ionic polymer derived from the polymerization of an &agr;-olefin and an ethylenically unsaturated carboxylic acid, a proportion of whose acid groups have been reacted to create ionic carboxylates of metal ions. The ionic polymer sleeve has high impact toughness, high abrasion and chemical resistance, high resistance to splitting by crimping tools, high degrees of flexibility and transparency, and a relatively low heat shrink temperature, making it more suitable for use in such connectors than sleeves comprised of other materials such as polyamides or polyolefins.

Abstract: A motor-driven compressor is provided with a power supply terminal secured to a metallic housing and electrically connected to a power source. The power supply terminal includes a base secured to the metallic housing, a conductive element secured to the base, and an insulator for insulating the conductive element from the base. A portion of the conductive element and a portion of the insulator that are located inside the metallic housing are covered with an insulating resinous cover.

Abstract: A reusable cable connection is produced by crimping ends of a cable; applying on free cable leads units selected from the group consisting of plug units and bush units; a fitting a heat-shrinking insulating hose over the cable ends; connecting the free cable leads via the units; displacing the heat-shrinking insulating hose over a plug connection formed by the units in a shrinking position; heating the heat-shrinking insulating hose so that both the free cable leads together with the plug connection as well as not crimped cable casing ends of the cables connected with one another are completely shrunk around.

Abstract: In a heat-shrinkable tube (1) having a tubular member which is shrinkable in response to heat and has a cylindrical surface, a thin film is formed on at least a part of the cylindrical surface. The thin film is made of a magnetic loss material which has a high magnetic loss characteristic. The thin film has a first phase comprising a first one of Fe, Co, and Ni and has a second phase comprising an insulator containing at least one element other than Fe, Co, and Ni.

Abstract: A reusable power cable connector system for medium voltage, underground electric power cables for connecting the power lines in one of a plurality of possible connection configurations, which includes a conductive body having a central portion and terminals, each terminal being arranged for receiving a power cable and projecting from the central portion and formed for receiving an end of a power cable, the terminals being formed as legs. The body is coated with an electrically insulating material. There are releasable fasteners cooperating with the terminals for releasably fastening the power cable to the terminal. End caps are releasably connected to the terminals for protecting the ends of the legs both when a cable is connected to such leg and when a cable is not connected to such leg and the end caps are releasably connected to the connector as well as insulation cooperating with the legs for sealing a power cable which is releasably attached to the connector.

Abstract: A protective cover for an electrical connector comprises a shell having a wall and an aperture extending through the wall to permit a wire leading from the connector to pass out of the shell. The aperture is surrounded by a flexible skirt which is dimensioned to seal around the wire. The skirt keeps contaminants from entering the cover and provides a strain relief for the wire.

Abstract: A sealed connector assembly is provided for interconnecting two or more electrical wires. A dual-durometer body includes a relatively rigid plug portion and a relatively resilient sealing portion, with corresponding channels in the portions for receiving the wires. A conductive contact element is mounted on the resilient plug portion of the body and is adapted to electrically interconnect the wires. A relatively resilient sealing cover is adapted to telescope with the body and to seal the rigid plug portion and the contact element. The body and cover have complementary interengaging convolutions to retain the body and cover in an interengaged sealed condition.

Abstract: An electrical connector 10 having a housing 12 containing a terminal 30 of the type adapted for insertion of an end of a wire 40,42 through a wire-receiving aperture 14,16 thereof for termination, includes a substrate 50 adhered to the outer housing surface and traversing the wire-receiving aperture with a corresponding hole 52,54 aligned therewith to permit wire insertion. The substrate may be tough elastomeric tape, and the hole is smaller than the wire diameter to tightly grip the wire insulation after wire insertion to assuredly retain sealant material within the connector upon wire withdrawal.

Abstract: An arrangement for forming a stub splice between two or more elongate electrical conductors comprises a hollow electrical connector and a hollow cap containing a quantity of gel. In use, the cap engages an open end of the connector, and the elongate conductors extend through the open end of the connector and through one or more apertures contained in the cap. Once the cap is engaged, the gel is compressed and the splice is sealed against moisture ingress. In order to ensure that the gel is maintained under compression, the cap may optionally contain a quantity of non-gelatinous resiliently compressible material which substantially compensates for any changes in the volume of gel.

Abstract: An electrical connector assembly is formed of opposed hermaphroditically mating connectors, having two or more pairs of alternating male and female contact members. Each female contact member is carried by and disposed at the outer end of a linear elongated insulating member projecting from the end of the plug. The insulating members in cross-section are each in the configuration of a sector of a circle having a truncated central edge. The male contact members are disposed between the elongated insulating members. The elongated insulating members are so configured that when two of the connectors are mated together the elongated members will form a cylindrical shape. The connectors will mate together only in one orientation due to the fact that at least one of the elongated insulating members forms an arcuate part of the circumference of a circle that has a different length than at least one of the other elongated members.

Abstract: A device is provided for protectively enclosing coupled terminals of mated industrial gauge electrical cords. The device, which can accommodate terminals and cords of varying size, easily creates a water-impervious shield encompassing the coupled terminals. The device is comprised of a flexible sheath having two longitudinal edges interengageable by a zipper to form a tubular structure. Binding straps disposed upon the exterior surface of the sheath adjacent each tubular extremity apply compressive force to underlying sealing bands which grip the electrical cord.

Abstract: A device for enabling distribution, branching off and/or connecting of wide band communications cables, wherein a metallic housing which consists essentially of an electroplate and which has connecting sockets for receiving therein cable ends of cables to be connected is arranged with the connecting sockets being only at a side of the housing which is located at the top in the installed position of the connecting assembly. The cables have covers which are installed in the sockets and a sheathing is provided for the housing. A connection between the connecting sockets, on the one hand, and the cable covers of the installed cables on the other, as well as the sheathing for the housing is accomplished by shrinkable plastic material.

Abstract: A shower pipe for a rotary drum filter includes first and second parallel rows of spray holes which extend along the length of the pipe. The holes in one row are staggered with respect to the holes in the other row, with both rows being positioned circumferentially in the same quadrant of the pipe. Each spray hole has its own separate fan-shaped diffusion flange extending in a generally parabolic curve from the adjacent hole. Each spray hole may be formed by a premolded plastic sleeve-like insert which is inserted through and seated within prebored holes in a section of the pipe. Each insert defines a spray hole or nozzle for discharging liquid under pressure from the pipe onto its associated diffusion flange. Each diffusion flange member may be premolded to include a female threaded upper portion which threads onto a male threaded projectng portion of the insert extending from the outer wall of the pipe.