Abstract: A cuff seal may include an annular body having an outer radial portion, an inner radial portion, and an end portion; an annular groove disposed between the outer radial portion and the inner radial portion; and a clamp disposed around the outer radial portion, the clamp being adapted to constrict the annular body. The outer radial portion, the inner radial portion, and the end portion form a U-shaped cross-section defining the annular groove, and the annular groove includes an open end and a closed end.

Abstract: A penetration system for a pipe entering a duct wall at a pipe stub. The penetration system may include a thermal sleeve surrounding the pipe stub and a bellows positioned below the thermal sleeve and about the pipe.

Abstract: A flexible fitting for connecting a plurality of rigid tubings to form a tubing assembly including a housing, having a plurality of bores defined therein and a plurality of tube fittings, each fixedly attached to an end portion of one of the plurality of rigid tubings and disposed therein one of the plurality of bores. Each of the plurality of tube fittings includes an o-ring channel having an o-ring disposed therein and in sealing contact with a sidewall of the housing when the flexible fitting is assembled. The combination of the tube fittings and the o-rings permit movement of tubing assembly, and more particularly the rigid tubing, about an axis of the tube fitting, translation along the axis of the tube fitting, and provide angulation of the rigid tubing relative to the housing.

Abstract: A laminated low-permeability elastic ring (40) comprising an outer layer (40A) of a low permeability material that possesses impermeability to automotive fuel, and an inner core part (40B) of a low temperature-resistant material with excellent low temperature performance in order to maintain high elastic strength at low temperatures for the low permeability material layer.

Abstract: A clamping assembly for joining pipe comprising a clamping band formed with a first retaining area and a second retaining area, having an axial split forming a first and second edge and a first tab disposed along the first edge of the axial split and a second tab along the second edge of the axial split, a first worm gear clamp for securing the clamping band to a first pipe section, a second worm gear clamp for securing the clamping band to a second pipe section, and at least one bolt for securing the first tab to the second tab for providing a sealed coupling of the first tab to the second tab and the first edge to the second edge, wherein coupling the first tab to the second tab provides for a seal of the first edge and the second edge such that the pipe join is sealed.

Abstract: An apparatus for coupling and sealing tubes, comprising a flexible duct having a first and second end portions, each portion having an outwardly extending seal portion connected to a flat portion, which in turn is connected to an angled portion which connects to a flat portion having expanded diameter. The apparatus also comprises a sealing assembly comprising a split ring, a compression ring and an end cap subassembly which fits over the compression and split rings. The end cap subassembly comprises a pair of half-rings which are hinged together at one end and latched together using a closure mechanism at the other end. The split ring is mounted over the duct end seal after a tube with a bead is inserted inside the duct. A compression ring is fit over the split ring and the end cap subassembly is latched in place over the compression and split rings, thereby placing the duct seal portion under compressive pressure against the tube and maintaining it in place in a sealed relationship.

Abstract: A connection system for sealingly interconnecting components of a high pressure fluid flow system, for example, an automobile engine air intake. The system can include a conduit defining a groove that is locked in a corresponding groove defined by a component, for example, an engine intake. An interlock ring is placed in the conduit groove. A clamp is placed over the interlock ring, however, the clamp and ring can be an integral component. When tightened, the clamp forces the ring into the conduit groove, which presses the conduit into sealing and/or locking engagement with the component groove.

Abstract: An apparatus for supporting and sealing connections made between male and female cylindrical metallic dryer vent pipes is described. An elongated cylindrical clamping apparatus having a longitudinal opening through the surface thereof permitting the apparatus to be opened to encircle joined pipe members, and including clamping straps and optionally a rubbery sealing material disposed inside of the clamping apparatus to provide an improved gas seal permits the connection to be firmly held together without using rivets or screws. For pipe connections where an elbow is involved, two elongated cylindrical clamping devices may be used, and additional screw-type straps may be employed to connect the two devices with one or more straps being disposed over the heal of the elbow, and at least two straps crisscrossed over the throat of the elbow for added stability.

Abstract: A vacuum hose for moving particulate materials such as grain from a storage bin is formed from separate pieces of metal tube and flexible rubber hose arranged alternately and connected end to end by hose clamps. The pieces are at least 12 inches long and less than 36 inches long to provide relatively short lengths connected end to end. A cart is provided for moving the nozzle and hose end and has a frame mounted on two pairs of ground wheels. The pipe of the nozzle extends along a center of the cart with a foot pad on each side for the operator to ride and a nozzle of the pipe projecting from the front of the cart. The cart is driven by a pair of motors extending across the cart each driving a respective pair of wheels the motors being mounted underneath the pipe with one in front of the other.

Abstract: The expandable band is used to secure a sealing element within a generally cylindrical structure, such as a pipe or manhole, or other round hole. The expandable band includes a band body having a first band end portion and a second band end portion. The first band end portion includes a plurality of slots, and the second band end portion includes a first and second aperture. A locking member is a separate element adapted to fit within the first and second apertures and includes a first tab for extending through the first aperture and into one of the plurality of slots to lock the expandable band at the desired diameter and a second tab for engaging the second aperture. The second tab is designed not to interfere with the first band end portion while expanding the band. The locking member may also include at least one rib or protrusion.

Abstract: A universal pipe connector for forming a connection with at least one pipe end includes a connector body having an opening for receiving the pipe end. A clamping ring, extending around, and mechanically engaging, the opening, features a tightening mechanism for tightening it between a first maximum diameter and a second minimum diameter which differ by at least a length d. An annular sealing element is deployed around an inner surface of the clamping ring for sealing around the pipe end. The sealing element is formed with a primary inner surface and at least one roughly cylindrical coaxial layer of thickness ½ d. The layer is connected to the primary inner surface by a readily severable connection such that, by selectively removing the layer and tightening the tightening mechanism, the pipe connector forms a sealing connection with pipes having diameters varying over a continuous range of at least 2 d.

Abstract: A method and apparatus is provided for forming a leak proof coupling between two thin walled metallic ends in a beverage distribution system. The pipe ends are prepared by cutting the ends and ensuring that the cross-section of the ends are round. An alignment device in the form of a dual pipe holder holds the prepared pipes in an end to end orientation so that the ends are abutted and parallel to each other. A sealing tape having particular properties with a high performance adhesive is secured around the two ends so that the tape overlaps. A steel coupling is positioned and clamped over the sealing tape. The sealing tape and steel coupling renders the sealed joint leak proof and provides structural integrity.

Abstract: A raised ring encircling a duct at an output port of a desiccant dehumidifier housing prevents its flexible hose from blowing off the duct even when clamped, as dried air blowing pressures through the duct increase.

Abstract: A pipe coupling method includes an inlet insert, a clamping ring, a clamp and the forming of a flange on an end of two adjacent pipes. A clamping ring includes an inner groove sized to receive the flanges of the two adjacent pipes. A first end of the inlet insert is inserted into a first pipe and the second end of the inlet insert is inserted into a second pipe. The clamp is placed over the clamping ring. The clamp is tightened to secure the two pipes. A second embodiment of the pipe coupling method includes an inlet insert, and a pair of latch clamps for joining a pipe to a sprinkler pipe. A third embodiment of the pipe coupling method includes an inlet insert, two collars, a peripheral clamp and enlarging a perimeter of two coupled pipes.

Abstract: A flexible drain element is used in place of a trap and has a section that is flexible with a stiffness that is selected to make clearing blockages easy and expeditious.

Abstract: The expandable band is used to secure a sealing element within a generally cylindrical structure, such as a pipe or manhole, or other round hole. The expandable band includes a band body having a first band end portion and a second band end portion. The first band end portion includes a plurality of slots, and the second band end portion includes a first and second aperture. A locking member is a separate element adapted to fit within the first and second apertures and includes a first tab for extending through the first aperture and into one of the plurality of slots to lock the expandable band at the desired diameter and a second tab for engaging the second aperture. The second tab is designed not to interfere with the first band end portion while expanding the band. The locking member may also include at least one rib or protrusion.

Abstract: Couplers for coupling conduit in end-to-end flow communication relationship are disclosed. A coupler has at least two coupling members each having one end hingingly attachable to one end of another of the at least two coupling members, and one of each coupling members having one end configured with a first cooperating attaching component and the other of each having one end configured with a second cooperating attaching component. There may also be a pressure producing element which increases coupling forces when said first and second cooperating attaching components are attached. There may also be corrugations in the walls of one or all of the coupling members that fit within corrugations of corrugated conduit being connected. The inside diameter of the coupler is about equal to or greater than the outside diameter of the conduit being thereby coupled. In addition, a plurality of couplers and/or coupling members may be used to couple conduit with small diameters and conduit with large diameters.

Abstract: A connector assembly including the resilient member and two band clamps includes a feature for preventing the band clamps from overlapping with each other when the band clamps are tightened. The band clamps can include projections extending from an outer surface thereof in order to prevent the band clamps from overlapping with each other. Alternatively, one of the members that are being connected via the connector assembly can include an additional member configured to be aligned with a projection on one of the band clamps.

Abstract: A resinous tube has opposite ends into one of which a mating member is fitted and with which the mating member is connected, and includes a sealing ring, a fastening cap, and a clamp. The sealing ring is disposed on an inner peripheral surface of the opposite end, and contacts elastically with an outer peripheral surface of the mating member. The fastening cap is disposed on the inner peripheral surface of the opposite end on an outer end side thereof with respect to the sealing ring, and contacts elastically with the outer peripheral surface of the mating member. The clamp is disposed on an outer peripheral surface of the opposite end, which is provided with the fastening cap on the inner peripheral surface, and tightens the fastening cap. The resinous tube exhibits good sealing and fastening abilities, requires less component parts, and can be connected with any mating members.

Abstract: The expandable band is used to secure a sealing element within a generally cylindrical structure, such as a pipe or manhole, or other round hole. The expandable band includes a band body having a first band end portion and a second band end portion. A plurality of slots are disposed in the first band end portion, and a locking member extends from the second band end portion. The locking member is an integral element of the second band end portion and includes a tab for extending through the second band end portion and into one of the plurality of slots to lock the expandable band at the desired diameter. The locking member may also include at least one rib or protrusion. When the band is expanded, the tab is disengaged from the slots and slides over the slots, allowing the first and second band end portions to move relative to one another. At the desired diameter, the tab engages one of the slots to lock the band at the desired diameter.

Abstract: A pipe connector consisting of a sphincteral band having an over-center buckle; a coupling sleeve extending through the sphincteral band, the coupling sleeve having a wall and having a plurality of traction pin apertures extending through the wall; and a plurality of traction pins fixedly attached to the sphincteral band and extending inwardly from the sphincteral band, each traction pin extending through one of the traction pin apertures, each traction pin being moveable between an inwardly extended pipe engaging position and an outwardly retracted pipe disengaging position.

Abstract: The apparatus for joining and sealing conduits, includes edge trim, a sleeve, and a retaining element. The edge trim is shaped to mount upon and engage an end of a conduit. The sleeve extends between the conduits and at least partially surrounds the edge trim. The sleeve may be made of compressible material, such that when the retaining element surrounds a portion of the sleeve and the edge trim, the retaining element generally compresses the portion of the sleeve portion underlying the retaining element and displaces the sleeve material to expand on either side of the retaining element and limit movement of the retaining element. The method of joining and sealing conduits includes mounting the edge trim and a retaining element upon an end of a conduit, extending a sleeve between the conduits, and sliding the retaining element over the sleeve toward the end of the conduit.

Abstract: The clamping band is used to clamp a connector boot within a hole in a manhole riser or other generally cylindrical structure, particularly where the depth of the hole is greater than the thickness of the manhole riser. The clamping band has a width such that a portion of the band extends beyond the hole surface. The clamping band preferably overhangs both the inner surface and outer surface of the generally cylindrical wall of the manhole riser. In one embodiment, the clamping band is used to affect a pipe-to-manhole connection.

Abstract: An integrated fluid conduction system or hose assembly comprising a hose, a clamp, and a coupling device wherein the hose includes an external surface and a projection, with an orifice, extending from the external surface. The clamp includes an opening to receive the projection. The coupling device includes a compression section and a leg for coupling, fixing and positioning the projection orifices so that the compression section engages the clamp external surface so as to retain and stabilize the clamp to the hose. The invention is further directed to a coupling device as generally described above as well as to a method for coupling a clamp to a hose with the coupling device including the steps of positioning the clamp on the hose by disposing the projections into the clamp opening and attaching the coupling device to the hose, including placing the legs of the coupling device into the projection orifices, to couple the clamp to the hose.

Abstract: A fuel hose including a straight insertion end portion at one axial end, an outer layer formed of an elastic body, a groove portion formed coaxially on the inner wall at an axially inward end of the insertion end portion, a thin-walled inner layer made of a resin material of low gasoline permeability and provided to a portion of the inner wall, the portion including the groove portion and extending axially inward from the groove portion, and an annular seal member fitted into the groove portion with the inner layer. The insertion end portion is configured to receive a mating pipe having an engagement protrusion protruding radially outward at an end portion under pressure such that the engagement protrusion presses the seal member fitted into the groove portion to be engaged with the groove portion in a fluid-tight condition. The outer layer is configured to be fitted with a clamp.

Abstract: An annular-shaped, expansion type clamping band has laterally overlapping ends, each having a skewed surface, the skewed surfaces slidably engaging one another. The ends are further provided with elongated guide slots for receiving a threaded bolt. A threaded nut threadly engaging the bolt, when tightened, moves the overlapping ends toward a longitudinal central axis of the band whereby the band expands to exert an outward radial force against an interior surface of a gasket to provide a liquid-tight fit between the gasket and an opening having a surface engaging an outer periphery of the gasket. The band may be a one-piece or two-or-three-piece assembly and may be formed of an suitable metallic or plastic material. The threaded member is slidable along the aforesaid guide slots enabling the bolts to be self-centered. The nut and bolt assembly, in one embodiment is designed to require only one tightening tool.

Abstract: A universal pipe connector for forming a connection with at least one pipe end includes a connector body having an opening for receiving the pipe end. A clamping ring, extending around, and mechanically engaging, the opening, features a tightening mechanism for tightening it between a first maximum diameter and a second minimum diameter which differ by at least a length d. An annular sealing element is deployed around an inner surface of the clamping ring for sealing around the pipe end. The sealing element is formed with a primary inner surface and at least one roughly cylindrical coaxial layer of thickness ½ d. The layer is connected to the primary inner surface by a readily severable connection such that, by selectively removing the layer and tightening the tightening mechanism, the pipe connector forms a sealing connection with pipes having diameters varying over a continuous range of at least 2 d.

Abstract: An apparatus for evacuating liquid condensation from pipe systems which is particularly applicable to exhaust pipe systems in high efficiency furnaces. The apparatus forms a junction sleeve between two pipes and has drainage channels which prevent condensate liquid from flowing from one pipe into the other pipe. A thermoplastic rubber composition of the apparatus dampens noise and vibration in the pipe system. External grooves provide locating features for mounting clamps.

Abstract: A pipe connection includes a first having a male end and a second pipe having a female end and a gasket. The female end has a recess area sized to accept the gasket. The gasket has at least one flexible protrusion extending radially towards the center of the pipe forming a diameter that is less than the diameter of the male end which frictionally engages the male end of the second pipe. Optionally, the female end may include rigid dimples that exert pressure onto the male end to prevent the two pipes from separating. The pipe connection may be used in conjunction with a clamp.

Abstract: A flexible connector assembly is provided for an exhaust system. The exhaust system includes first and second rigid exhaust pipes. The flexible connector assembly includes a flexible metal hose section and a liner tube. The liner tube has a first, enlarged-diameter section and a second, reduced-diameter section. The liner tube first section is fixedly secured within the hose section. An annular clearance is formed between the liner tube second section and the hose section. The connector assembly effectively resists vibration and provides a relatively fluid-tight passage for exhaust gasses between the first and second exhaust pipes.

Abstract: A band clamp is provided making a joint in each of two pairs of closely spaced pipes wherein the pipes in each pair are aligned with each other. The clamp has a single closed loop clamp band for connecting adjoining ends of the first pair to make a sealed joint and connecting the adjoining ends of the second pair of pipes to make a sealed joint. The clamp band encircles both pairs of pipes and overlaps a portion of the adjoining ends of both pairs of pipes. The closed loop of the clamp band has oppositely disposed concave lobe portions spanning the gap between the pipes and a clamping mechanism is provided for drawing the lobe portions toward each other for tightening the band around the adjoining ends of the pipes to provide a mechanical connection and a sealed joint in each pair of pipes.

Abstract: The present invention provides an internal conduit seal for conduits and pipes having an elongated elastomeric seal with first and second seal segments adjacent to the edges of the seal. The sealing segments are made up of a plurality of sealing ribs and restraining members placed externally of the ribs in each segment. The seal includes grooves positioned over each segment for expansion bands used to compress the seal against the inside of a conduit. The invention also includes an expansion band having a radiused contacting surface which in combination with a locking member of the invention positioned between an outer restraining member and an adjacent rib providing substantially improved sealing.

Abstract: A connection adapted to connect an intake end (10) of a discharge pipe (9) and an outlet end (8) of a connecting curve (7) of a water toilet, wherein the outlet end (8) projects concentrically into the intake end (10) of the discharge pipe (9), said connection comprising a rubber-elastic sealing collar (11), adapted to seal said outlet (8) and said intake end against one another, wherein the sealing collar (11) is h-shaped in a radial section, and has a first downwardly projecting region (12) adapted to tightly engage an outside of the intake end (10); a second downwardly projecting region (13) adapted to tightly engage an outside of the outlet end (8) and a upward-projecting region (14) adapted to tightly engage against the outside of the outlet end (8) of the connecting curve (7).

Abstract: A hose/clamp combination wherein the clamp is oriented axially and circumferentially in its radially open position and held in place by a glued fabric overlay.

Abstract: A corrugated pipe adapter for providing a sealing surface on a corrugated pipe includes a generally cylindrical sleeve having a generally smooth outer clamping surface and at least one protrusion. The protrusions include side walls and an arched structure between the side walls. The protrusions extend from an inside of the generally cylindrical sleeve. The side walls move outwardly against the corrugations on the corrugated pipe when pressure is applied to the generally smooth outer clamping surface.

Abstract: An exhaust piping system is provided for a vehicle with an internal combustion engine and an exhaust system including an emission control device. The exhaust piping system includes an exhaust pipe connected to the engine and an emission pipe connected to the emission control device. The exhaust and emission pipes include ends which are tapered to form reduced outside diameters. A flexible hose coupling includes a bore which telescopically receives the exhaust and emission pipe ends. First and second annular clearances are formed between the reduced-diameter pipe ends and the flexible hose coupling bore, which clearances reduce wearing and abrasion of the flexible hose coupling associated with vibration and relative movement between the pipe ends and the flexible hose coupling.

Abstract: The pump-connector has an elastic member that seals a connecting socket against a connecting piece that partly projects into the connecting socket. The elastic member is folded in between the connecting socket and the nozzle.

Abstract: A spin spray shield connected with a bucket to thereby assist the bucket to retain centrifugal paint spray when a roller is cleaned with a spinning tool, without detracting from the funtionality of the bucket for other purposes. The spin spray shield generally includes an annular shield member for being selectively located selectively substantially entirely above the mouth of a bucket to thereby serve as a shield for retaining spin generated paint spray within the confines of the interior of the bucket, and further includes a guide member located adjacent the side of the bucket for guiding selective movement of the shield member with respect to the mouth of the bucket.

Abstract: A double booted flexible entry boot provides a fluid-tight fitting between a wall of a fluid containment region and a conduit passing through the wall. An inner seal member is disposed within the containment region, the inner seal member having a substantially planar seal portion and an integral first hollow support sleeve concentric with the seal portion and extending axially into the containment region. A mechanism is provided for rigidifying the seal portion of the inner seal member. A mechanism releasably attaches the first hollow support sleeve to the conduit. An outer seal member is disposed outside of the containment region, the outer seal member having a substantially planar seal portion and an integral second hollow support sleeve concentric with the seal portion and extending axially away from the containment region. A mechanism is provided for rigidifying the seal portion of the outer seal member.

Abstract: A double booted flexible entry boot provides a fluid-tight fitting between a wall of a fluid containment region and a conduit passing through the wall. An inner seal member is disposed within the containment region, and a first securing plate is disposed within the containment region and mounted to the inner seal member. A first flexibly rigid, hollow support sleeve extends outwardly from the inner seal member, and a mechanism releasably attaches the first hollow support sleeve to the conduit. An outer seal member is disposed outside of the containment region, and a second securing plate is disposed outside of the containment region and mounted to the outer seal member.

Abstract: A flexible entry boot assembly provides a fluid-tight fitting between a wall of a fluid containment region and a conduit passing through the wall. The flexible entry boot assembly comprises a seal member disposed within the containment region. A securing plate, disposed within the containment region, is releasably mounted to the seal member. A hollow support sleeve, integral with the seal member, extends axially into the containment region. The support sleeve has an outer surface and an inner, conduit receiving surface, and further has a degree of flexibility sufficient to allow for the insertion of the conduit at angles equal to or other than an angle normal to the fluid containment wall while maintaining a fluid-tight environment. The flexible boot assembly further comprises a mechanism for releasably attaching the hollow support sleeve to the conduit. A flexible, corrosion resistant sealing ring member is disposed outside the containment region.

Abstract: In a method of coupling a first pipe with a second pipe having a circumferential bead, use is made of an annular clamping band which is applied on the outside of the end beads and is tightened around the end beads when the pipes are placed end to end. The clamping band has on its inside a sealing ring, which is arranged against the end beads. A first recess of the sealing ring is formed on and held on the outside of the end bead of the first pipe in such a manner that a second recess of the sealing ring is arranged axially outside this end bead. The second recess of the sealing ring is then formed on the end bead of the second pipe, and finally the clamping band is tightened around the end beads with the sealing ring placed between the clamping band and the end beads.

Abstract: A flexible penetration fitting is provided for sealing the hole through which a pipeline penetrates a wall of an underground containment box. The penetration fitting includes a flexible boot with a sealing flange for providing a first seal against the inside wall of the box. The sealing flange is held against the wall by a backing ring placed against the outside wall of the box. The backing ring includes a plurality of studs extending through the wall and into the box. A compression ring with a plurality of holes is placed over the sealing flange with the studs of the backing ring extending though the holes. A plurality of nuts are threaded to the studs to hold the sealing flange firmly against the inside wall of the box. The flexible boot also includes a sleeve for providing a second seal against the outside surface of the pipeline. The sleeve is stepped with different sized openings so as to be able to receive different sizes of pipelines.

Abstract: A flexible hose section for connecting upstream and downstream exhaust pipe sections of an exhaust system includes a corrugated body with opposite ends. The ends are fastened to ends of the exhaust pipe sections to convey fluids or bulk materials through the pipe system. The corrugations or the connections between the flexible hose and pipe section ends are arranged to accommodate axial, lateral, diagonal and torsional displacement between the system components.

Abstract: A hose with a protector comprises: a tubular-shaped hose body 10; a tubular-shaped protector 20 which is coaxially provided in the state in which it covers the outer peripheral surface of the hose body 10; a tubular-shaped engager 30 which bonds the hose body 10 and the protector 20 integrally at both edge portions thereof and which forms an inserting opening into which a nipple is inserted and bonded. By producing the hose body out of resin and producing the protector out of rubber, the present hose with a protector can obtain heat resistance and anti flame resistance which are suitable for a filler hose and which are necessary at the time of vehicle fire and also the present hose with a protector is good in sealing property with the mating pipe and good in connecting function.

Abstract: A method for repairing a drainage system adjacent a foundation wall includes the step of digging a first ditch to provide access to a section of drain tile, removing that section of the drain tile, digging a second ditch to provide access to a damaged area of the foundation, the second ditch being of a width that is narrower than the first ditch to provide support areas of undisturbed earth. The damaged area is then repaired and a rigid pipe installed and supported on the support areas. Since the rigid pipe is supported on support areas, no sagging of the replaced portion of the drainage system will occur in the event that the underlying earth settles or becomes unstable.

Abstract: A flexible penetration fitting is provided for sealing the hole through which a pipeline penetrates a wall of an underground containment box. The penetration fitting includes a flexible boot with a sealing flange for providing a first seal against the inside wall of the box. The sealing flange is held against the wall by a backing ring placed against the outside wall of the box. The backing ring includes a plurality of studs extending through the wall and into the box. A compression ring with a plurality of holes is placed over the sealing flange with the studs of the backing ring extending though the holes. A plurality of nuts are threaded to the studs to hold the sealing flange firmly against the inside wall of the box. The flexible boot also includes a sleeve for providing a second seal against the outside surface of the pipeline. The sleeve is stepped with different sized openings so as to be able to receive different sizes of pipelines.

Abstract: An integrally formed flexible entry boot provides a fluid-tight fitting between a wall of a fluid containment region and a conduit passing through the wall. The flexible entry boot comprises a seal member disposed within the containment region and a screw securing plate mounted to the seal member. A cylindrical hollow support sleeve has a degree of flexibility sufficient to allow for the insertion of the conduit at angles less than or equal to an angle normal to the fluid containment wall while maintaining a fluid-tight environment, the hollow sleeve having a first open portion integrally attached to the seal member, the first open portion having a central throughbore in fluid communication with the cylindrical hollow support sleeve, the hollow sleeve having a second open portion opposed to, and integrally attached to the first open portion, the first open portion adapted to flexibly receive the conduit, and the second open portion adapted to releasably hold the conduit in place.

Abstract: A reinforcement insert for use in a coupling components in marine exhaust systems. The insert is generally made of a much stronger material than fiberglass and is inserted within corresponding openings of exhaust system components which are to be coupled. Thereafter, a sleeve and pipe clamps are secured to the exhaust system components and tightened thereon. The inserts prevent fracturing of the coupling area between the exhaust system components and thereby prevent dangerous leakage conditions which could otherwise result in the sinking of a vessel or other undesirable consequences.

Abstract: A seal for around a pipe penetrating through a wall. A rubbery reducer boot includes a flexible material-reservoir defined by a material curved-fold allowing a pipe-engaging tubular portion of the boot to be moved outward and inward from a relaxed position, and to be angled in extension relative to a stationary back portion of the boot. An end of the pipe-engaging tubular portion includes areas allowing the application of a hose clamp about the tubular portion to compress against the exterior of a secondary containment pipe adjacent the terminal end of the pipe, and the application of another hose clamp outward beyond the terminal end of the secondary pipe and clamping of the boot about a further-extending primary pipe. The back end of the boot near the material-reservoir includes an annular groove for receiving an annular first end of a tubular fitting assembly. A third and larger hose clamp is positioned about the back of the boot to compress and secure the boot sealed about the tubular fitting assembly.