Abstract: A device for the connection of free pipe or hose ends provided with flanges, with first, second, third, and fourth clip segments connected to one another in jointed manner, with an essentially U-shaped cross-section, a tensioning lever arranged at one free end of the first clip segment, and at least one spring, wherein the clip segments engage from the outside over the flanges of the pipe or hose ends pushed together, and wherein the free ends of the first and fourth clip segments can be locked by means of the tensioning lever and spring(s). In order to exclude spontaneous opening of the closed device under any circumstances, provision is made for the tensioning lever to be capable of engaging in the tensioned position in positive fit with the free end of the adjacent fourth clip segment with the tensioning lever capable of being connected.

Abstract: A flange assembly is disclosed. The assembly includes a tubular structure having a passageway and comprising a fiber reinforced plastic material, and a flange structure comprising an aperture coupled to the tubular structure using an attachment element.

Abstract: A butterfly valve includes an annular, elastic sealing element that encloses an axial opening, a valve disk which is disposed inside the axial opening so as to be rotatable transversal to the axial direction, a device for rotating the valve disk between closed and open positions in order to control a fluid flow through the opening, and at least two valve housing parts that enclose the sealing element in an annular manner and embrace two flanges which are connected to an inlet and an outlet. Conical contact areas of the flanges and/or the valve housing parts cooperate in such a way that the flanges are axially pressed in a sealing fashion against the sealing element by means of the valve housing parts in the operationally mounted state. The flanges are respectively connected in a rigid and positive manner to a couple of clamps.

Abstract: A profiled clamp with at least one profiled segment which extend successively in the circumferential direction of the clamp and are clamped by means of at least one clamping device. The profiled segments have a profile which in cross-section is essentially inversely trough-shaped or cup-shaped. When the clamp is clamped, flanges which are provided at the ends of two pipes to be connected by the clamp are pressed toward each other between diverging side walls of the profiled segments. Gaps with a bottom each are provided between adjacent profiled segments. In each gap is provided a resilient metal strip at a distance from the bottom of the gap which is greater than the thickness of the bottom of the profiled segments, wherein the metal strip extends transversely of the plane of the clamp, and wherein the metal strip is mounted through lateral arms of the metal strip at the bottom of the gap.

Abstract: The invention relates to a flange coupling of two pipes, in particular the pipes of an exhaust system of a motor vehicle internal combustion engine. The coupling is characterized in that: each of the flanges is formed onto the corresponding pipe by the shaping of one of the pipe regions that form the respective flanges; a first of the two flanges is configured with a first connection pipe section, which engages radially in the interior of the second flange; a sealing ring is clamped between the flanges; the flanges are axially fixed by a clamping deice. The coupling is designed to be produced in an efficient manner, easy to mount and configured so that it functions reliably.

Abstract: A sanitary connector apparatus includes first and second tubular members coaxially aligned such that a first member end of the first tubular member is positioned toward a second member end of the second tubular member. First and second sealing components radially extend from the first and second member ends, respectively. An annular groove is formed into the first end face of the first sealing component and a corresponding resilient rib is integrally formed with the second end face of the second sealing component. A clamp band, secured around the outer perimeter of the first and second sealing components, has two extension members that apply compressive force to the sealing components in a direction coaxial to the tubular members. The compressive force applied is sufficient to compress the resilient rib into the corresponding groove and position the first end face against the second end face.

Abstract: In a pipe connection, a first pipe has a first flange of sheet metal provided with a first wall connected circumferentially to the first pipe. A second pipe has an end section shaped as a second flange. A clamp engages across the first and second flanges and has conical sidewalls forcing the first and second flanges axially against one another when tightening the clamp. The first flange delimits together with the first pipe an annular chamber that is coaxial to the longitudinal pipe axis. The first flange has a second wall that is glidingly supported on a free end of the first pipe. A sheet metal sealing ring is positioned between the first and second flanges. It has an edge section that is bent back onto a remaining sealing ring section that has a corrugation projecting past the bent edge section in an untightened state of the clamp.

Abstract: A housing type joint including: a housing formed by arranging at least three arcuate segments in a circumferential direction with gaps; an elastic ring arranged in the housing for hermetically sealing end portions of a pair of pipes; a fastening band arranged so as to surround an outside surface of the housing and having loop portion at both ends thereof; and a fastening unit that makes the loop portions at both ends of the fastening band closer to each other, in order to make the arcuate segments closer to each other or in contact with each other; wherein the elastic ring has engagement projections at positions located in a circumferential direction thereof with gaps, correspondingly to the respective arcuate segments, each engagement projection extending outward in a radial direction of the elastic ring; each arcuate segment has a positioning hole into which each engagement projection is inserted; and a fastening-band guiding part is provided on an outside surface of each arcuate segment for guiding the fas

Abstract: A flanged joint system connects two pipes disposed along a common axis. A flange having a mating surface terminates each pipe. A gasket assembly comprising an outer annular, substantially rigid retaining ring and a peripheral alignment rim, an inner deformable annular sealing member is interposed between the mating surfaces of the flanges. The flanges and gasket assembly are aligned in mutually coaxial relationship by receipt of the flanges within the alignment rim. The flanges are clamped together with their mating surfaces in axially aligned, facing relationship. The retaining ring limits the impingement of the flanges and prevents overcompression of the deformable material. The joint is reliable and durable, and permits aseptic processing conditions to be maintained. Servicing and gasket replacement are readily accomplished.

Abstract: A V-band clamp that includes an annular band having an inner surface and an outer surface. A latch assembly is attached to the outer surface of the band for attaching objects together. A plurality of insert segments are attached to the inner surface of the band, wherein each segment includes a contour edge for preventing damage to objects being joined together during installation of the V-band clamp.

Abstract: A pipe clip includes upper and lower clip members that are pivoted at one end and form upper and lower slots with a locking bar fixed in the lower slot. The upper and lower clip members form upper and lower grooves for receiving and thus engaging flanges of pipe sections to be jointed therein. A U-shaped pull tab has two limbs fit over and pivoted to the upper slot. An abutting block is fixed while rotating between the limbs and defines a through hole through which a stem of a hook-on member extends by sliding. The hook-on member has a hooked end engaged with the locking bar. A helical spring is fit over the stem and retained between the abutting block and a nut engaging a threaded end of the stem. The clip is efficiently installed by engaging the hooked end of the hook-on member with the locking bar and can be secured and released by pushing/pulling the pull tab. The pull tab is configured to causes deformation of the spring to induce a torque against release of the pull tab from the secured position.

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: The invention concerns a clamp coupling for coupling pairs of pipes. Such clamp couplings are used, for example, for coupling concrete conduits from concrete pumps. This clamp coupling (10) comprises two clamp shells (16, 18) which, in the coupling state, define a circular opening (14) for the passage-through of the pipes. The coupling shells can be pivoted relative to each other via a pivot linkage (20) at their one end, and have a locking mechanism (26) provided at their other end. In order to be able to fasten the clamp coupling (10) even in confined spaces, the locking mechanism (26) comprises a locking hook (30) which, in the closed state, positively grasps a latch pin (24) provided on the other coupling clamp (16), and pulls the clamp shells (16, 18) towards each other at their point of separation (28) opposite the linkage (20).

Abstract: An extension conduit for providing an extension from a spigot to a hose to distance the hose from the spigot includes a tube having a first end being configured to be in fluid communication with a spigot and a second end being couplable to a hose. A clamp is coupled to the first end of the tube. The clamp slidably receives a male end of the spigot to align the male end of the spigot with said first end of said tube to permit fluid communication between the tube and the spigot.

Abstract: A clamp assembly for connecting the end of a first pipe to the end of an axially aligned second pipe. The clamp assembly comprises a first semi-circular clamp arm, a second semi-circular clamp arm, a lever, a latch and a gasket. The first clamp arm has a first end portion and a second end portion. The second clamp arm has a first end portion and a second end portion. The first end portion of the second clamp arm is pivotably attached to the first end portion of the first clamp arm. The lever is pivotably attached to the second portion of the first clamp arm. The latch has a first end portion and a second end portion. The first end portion of the latch is pivotably attached the second end portion of the second clamp arm. The second end portion of the latch is attached to the lever upon the clamp assembly in a closed position. The first clamp arm defines a groove for seating the gasket. The second clamp arm defines a groove for seating the gasket.

Abstract: Butt joint between two pipe segments (10) of sheet metal with circular or oval cross-section, which respectively exhibit on one end a connecting flange (32), formed one-piece with the adjacent pipe wall (12), for producing the butt joint with an adjacent pipe segment. On the end of each pipe segment (10) there lies, on the outer side thereof, and a least against one radial inner part of a ring rim (14) of each connecting flange (32), a one-piece reinforcing ring (47) of sheet metal.

Abstract: A pipe coupling includes a first lateral wall, a second lateral wall and an apex wall spanning and connecting the first lateral wall to the second lateral wall. The apex wall includes an outer surface and an inner surface. A gasket is disposed on the inner surface of the apex wall. A groove is located on the apex wall.

Abstract: A coupling assembly for fuel transfer includes a first inner conduit attached to a first ferrule adapter and a second inner conduit attached to a second ferrule adapter. An inner conduit coupling engages the first inner conduit sealing mechanism and the second inner conduit sealing mechanism, thereby connecting the first inner conduit to the second inner conduit. A first outer conduit surrounds the first inner conduit. The first outer conduit is attached to the first ferrule adapter and the second outer conduit is attached to the second ferrule adapter. An outer conduit coupling engages the first and second outer conduit sealing mechanism thereby connecting the first outer conduit to the second outer conduit.

Abstract: Rigid corrugated plastic pipe sections are provided with a flange radially extending from at least one end of the pipe length, which allows structural and water tight joints between connecting flanged pipes and fittings to be formed in an assembly including a peripheral clamp and gasket, and a system, method and kit for effecting structural and water tight joints in corrugated plastic pipe pipes.

Abstract: A coupling for joining two pipes in end-to-end relationship includes flanges which are sealably secured to end sections of pipes to be connected. The flanges form front inclined faces and adjacent front flanges that are slidably received within opposite end openings of a cylindrical coupling. A groove or shoulder is formed at the rear end of the front flanges that cooperate with jaws extending from the ends of the cylindrical coupling to secure the received pipe end portions in the cylindrical coupling to thereby join the pipes together. One or more gaskets fit in the cylindrical coupling between the ends thereof with gasket arms that abut against the inclined surface so that fluid pressure in the pipes force the gasket arms against the inclined faces to provide a seal between the joined pipes. A stop may be provided to limit the sliding travel of the cylindrical coupling with respect to the flanges.

Abstract: An assembly system for coupling a first pipe element (2) and a second pipe element (3) has a circumferential clamping device (5) to be applied on the outside of the ends of the pipe elements and to be tightened around the same when the two pipe elements (2, 3) are placed end-to-end. The system also has a coupling device (6) to be arranged between the ends of the first and the second pipe elements (2, 3) and beneath the circumferential clamping device (5), so as to align and/or hold the two pipe elements (2, 3) during the assembly. A method of coupling a first pipe element (2) and a second pipe element (3) is also disclosed, as well as a coupling device (6) and use of the assembly system (1).

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: A coupling arrangement for permitting fluid-tight, pressurized fluid flow therethrough includes a pair of conduit members located in end-to-end alignment, each of the conduit members having a flared end. An encircling coupling unit surrounds the ends of the conduit members and has structure to tighten the coupling unit around the flared ends of the conduit members, the coupling unit having inner lateral surfaces partially defining a coupling cavity. An encircling, deformable gasket is disposed in the cavity of the coupling unit. The gasket has exterior lateral surfaces spaced from the inner lateral surfaces of the coupling unit, and interior surfaces defining an annular recess therein. A rigid ring liner is retained within the annular recess of the deformable gasket to reinforce the gasket. The flared ends of the conduit members are engaged in wedging and sealing relationship between the inner lateral surfaces of the coupling unit and the exterior lateral surfaces of the deformable gasket.

Abstract: A fuel container with a pipe, the fuel container having a pipe connecting piece with a conically widened rim and the pipe having an annular bead, on which a connecting member acts, and a sealing ring further being seated between the conically widened rim and the annular bead. In order to make the connection such that it can be produced simply and accurately, and to make it quite tightly, on the side of the annular bead facing the pipe connecting piece, the pipe forms a cylinder with two circumferential grooves, in each of which a sealing ring is seated, which rests in a sealing manner on the cylindrical inner surface of the pipe connecting piece. The annular bead has a cross section with two oblique flanks, the conically widened rim of the pipe connecting piece resting on the flank facing the pipe connecting piece, and the connecting member acting on the flank facing away.

Abstract: A profiled clamp connecting two pipes has an articulated clamp strip having sidewalls and a transverse portion connecting the sidewalls and a tensioning closure around the clamp strip. A conical metal ring is arranged in the clamp strip and has a radially inner edge with teeth having free ends positioned on a circle with a diameter that is smaller than an inner diameter of the sidewalls. The conical ring has a radially outer edge resting in a bend between sidewall and transverse part. The first pipe has a widened end section with a conical transition and a radial flange engaging between the sidewalls. The second pipe has a smooth end section inserted into the widened end section. The outer flange diameter is greater than the inner sidewall diameter and smaller than the inner diameter of the transverse part. A seal rests between the smooth end section and the conical transition.

Abstract: The portable tank defines a chamber within which is disposed a liner having a sealing interface with a tank discharge assembly. The features of the sealing interface of the liner with the discharge assembly and this discharge assembly itself virtually eliminate any risk that contents of the tank will seep or flow into the space outside of the liner and between the liner and the inner walls of the tank. The method of installing and using the liner system are also disclosed.

Abstract: A pipe coupling includes a first lateral wall, a second lateral wall and an apex wall spanning and connecting the first lateral wall to the second lateral wall. The apex wall includes an outer surface and an inner surface. A gasket is disposed on the inner surface of the apex wall. A groove is located on the apex wall.

Abstract: The present assembly relates to a series of successively sized segmented pipe couplings in which an anti-mismatch is provided to prevent the inadvertent connection of two different, but closely, sized arcuate coupling segments together. The anti-mismatch is provided by members on the ends of the arcuate coupling segments which (a) will nest when the proper coupling segments are brought together, but (b) will be in an interference non-nested relationship when a mismatch is attempted. This will prevent the fully bolt tightened connection of the size mismatched coupling segments, as well as a visual indication to the workman that a size mismatch is being attempted.

Abstract: A flange connection for pipes has a plug connection member having a pipe section and a flange connected to one end of the pipe section, wherein the pipe section has a mounting seat and a sealing seat. The plug connection member also has a first sealing ring seated in an initial position in the mounting seat, wherein the first sealing ring rolls from the mounting seat into the sealing seat and into a sealing position when the pipe section is inserted into a pipe end.

Abstract: A pipe connection includes a longitudinally extending first pipe portion having an annular first flange at a first distal end of the first pipe and a longitudinally extending second pipe portion having an annular second flange at a second distal end of the second pipe. One of the flanges is a male flange and the other of the flanges is a female flange. The male flange has a ring shaped male wall longitudinally extending from a longitudinally facing flat surface of the male flange. The female flange has a ring shaped female wall longitudinally extending from a longitudinally facing first flat surface of the female flange. The male and female walls are shaped and sized such that the male wall is received within the female wall. A detent is formed from, in, and extending radially away from a first one of the walls toward a second one of the walls. A notch extends radially into the second one of the walls and is sized and shaped to receive the detent therein.

Abstract: The invention concerns a tube fitting (20) for providing a sealed flow connection between an open-ended duct (23) that extends along the longitudinal axis (22) of a tube (21) and an open-ended duct (26) of a base element (25), for liquid separation technology, in particular for analytical or preparative HPLC. The tube fitting (20) has a ring-shaped thrust piece (27) with a receptacle (28) for the tube (21) and a ring-shaped, spring-elastic compensating element (30) with a receptacle (31) for the tube (21). The tube fitting (20) further comprises a fastening element (35) that can be fastened tightly to the base element (25). The tube (21) preferably provides a ring flange (36) on its end (24) connected to the base element (25) that protrudes from the longitudinal axis (22) of the tube (21). When sealed, the base element (25), the thrust piece (27), the compensating element (30) and the tube (21) can be braced by means of the fastening element (35) under elastic deformation of the compensating element (30).

Abstract: The invention relates to a tube connection between a collector (2) of a motor vehicle heat exchanger and a line (16) using a connecting sleeve (14) in which the free end (32) of the line (16) engages in a positive manner. An annular seal (28) is accommodated in the annular gap (22) between the inner surface (24) of the connecting sleeve (14) and the outer surface (26) of the line (16). An outer flange (38) is provided on the free end (40) of the connecting sleeve (14), and a buckled outer bead (36) is formed on the line (16). When the tube connection is completely assembled, said bead is tightened against the outer face (41) of the outer flange (38) by a clamping device (42). The seal (28) forms an insertion sleeve (44). A sealing element (48) is formed on the insertion sleeve in the peripheral area thereof situated close to the collector, and a sealing flange (46) projects from the peripheral area of the insertion sleeve situated away from the collector.

Abstract: A tube connecting structure C1 including a gasket member 10 having annular, tub recesses 12, 13 tube members 20, 30 having folded edge portions 22, 32 formed by folding ends thereof over the outer circumference so that convex ends 23, 33 are brought into tight contact with the annular recesses of the gasket member, outer rings 40, 50 mounted onto the outer circumference of body portions 21, 31 of the respective tube members 20, 30 so that front ends 41, 51 are located behind the convex ends of the folded edge portions and rear ends 42, 52 are out of the folded edge portions, presser members 60, 70 having contact sections 61, 71 with the gasket member and outer ring pressing sections 62, 72 for pushing the rear ends of the outer rings toward the mating outer ring, and a clamp member 80 for compressing the respective presser members together with the gasket member.

Abstract: A clamped flange pipe or tube fitting assembly includes a resilient seal ring compressed in a chamber formed by cooperating recesses in opposed flanges. The chamber and seal ring are dimensionally related in a manner to produce circumferentially continuous, radially spaced primary and secondary seal areas and to assure a continuous interior surface between the connected pipes or tubes with no recesses to entrap process fluids.

Abstract: A a quick acting closure has two flanges. One of the two flanges has a groove for a flexible seal and the other has spaced cogs. The goal is to provide a quick acting closure in such a form that it can be used for the connection/closure of boiler or pipeline elements which can either have a round or a non-round cross section. In accordance with the invention, the two flanges are therefore connected to each other by individual clamps which are arranged at the circumference of the flanges and the number of which is equal to the number and the spacing of the cogs in the flange whereby the clamps are connected to each other two sheet rings, i.e. one lower and one upper sheet ring.

Abstract: The invention relates to a butt joint between two circular or flat, oval air duct sections (10) each with a connection flange (32) at each end and a ring (34) clamping the connection flanges together. Said connection flanges (34) are moulded, to form one part, to the duct wall (12) of each air duct section (10) and each have an outwardly-projecting annular edge (14) and clamping legs (24) drawn together by corresponding side legs (38) of the clamping ring (34). Each annular edge (14) forms an angle of 80.degree. to 90.degree., preferably 87.degree. to 89.degree., with the associated duct wall (12). Each connection flange (32) can also have another or a plurality of supporting legs (28).

Abstract: A clean air duct (300) comprises a pair of tubular bodies (302, 310), each tubular body having a pair of opposed ends (304, 306, 312, 314), one of the opposed ends of one tubular body having an annular ring (346) which terminates at an inwardly extending lip (340), the other tubular body having an outwardly extending rib (322) at one end; and a cuff (320) connecting the outwardly extending rib and the inwardly extending lip. Another clean air duct (400) comprises a first blow molded tubular body (406) having a first open end (408) and an annular ring (450) which terminates at an inwardly extending lip (444), and a second blow molded tubular body (402) which has an open end (404). A cuff (412) connects the blow molded tubular bodies to one another wherein the lip (444) exerts a compressive sealing force around the second tubular body (402). Both tubular bodies (402, 406) extend from the cuff (412) in the same direction.

Abstract: A coupling unit for connecting together serially adjacent pipe sections with coupling members selectively coupled together by placing a latch in a latching position and selectively uncoupled by moving the latch to an unlatched position is improved by incorporating a locking lever movable into a locking location to juxtapose generally complementary locking surfaces to lock the latch in the latching position and movable into an unlocking location wherein the generally complementary locking surfaces are out of juxtaposition for release of the latch for movement to the unlatched position.

Abstract: A safety shield, suitable for use in a marine environment, which can be quickly and easily removed from around the end flange of a pipeline or hose. It is used to aid in the containment of any leaking fluid from the end flange, such escaping fluid being collected in a drip barrel or the like. The shield incorporates a housing, open at the bottom, with a notch in the front wall for a pipeline to pass through. The housing is fastened to the pipeline by selectively engaging or disengaging the outer circumference of the end flange with an adjustable open annular ring or strap. A window may be included in the top wall of the housing of this shield so that the user can view the end flange prior to installation and/or removal.

Abstract: An aseptic or sanitary pipe or tube fitting including a first ferrule having an outer radial surface, a counterbore and an inner annular surface, and a second ferrule having an inner radial surface, an outer radial surface and an outer annular surface matingly engaging the inner annular surface and inner radial surface of the first ferrule, a recess in the outer radial surface and an O-ring forced into the recess by the inner radial surface of the first ferrule.

Abstract: A pipe coupler for interconnecting pipes and components together, for transferring bulk and fluid materials, and useful for connecting sections of pipe-end-to-end. The coupler connects grooved pipe to ground pipe, smooth pipe to grooved pipe or smooth pipe to smooth pipe. Also tees, valves, and pipe sections can be secured together. The coupler has an adjustable bail that can be adjusted to assure a tight seal despite any wear. The coupler also eliminates any gaps that may trap material and lead to cross-contamination of subsequent loads.

Abstract: The invention provides a locating device for locating and holding a prestressed hose clamp on a cylindrical hose having a selected radius of curvature. The device has a resilient C-shaped clamp engaging element having opposed free ends defining a gap, the element being generally cylindrical about a first axis and the gap being smaller than an internal diameter of the element so that the clamp can be pushed through the gap and gripped by the element with radial projections on the clamp extending through the gap. A pair of resilient hose engaging elements are attached to the clamp engaging element and spaced axially spaced with the clamp engaging element between the hose engaging elements which are proportioned to apply a load on the hose contained in the device to bias the hose away from the gap and into contact with the clamp at a location diametrically opposite the radial projections.

Abstract: An apparatus for fixing a male and female couplings which are fitted with each other. A fixing device includes a first and second fixing member of a substantially semicircular cylindrical shape. A hinge device is provided for rotating the first and second fixing members between an opened condition and a closed condition. At the closed condition, the first and second fixing members cooperate to form a recess of a shape corresponding to that of the fitted part of the couplings thereby axially holding the couplings. A releasable lock is constructed by a catch member on the first fixing members and a latch member on the second fixing member. The releasable lock allows the fixing members to be easily engaged and disengaged, thereby increasing productivity during the pipe fitting operation.

Abstract: A clamp for quick release of a generally rectangular bonnet to the flange of valve body is disclosed. The upper side of the edge of the rectangular bonnet is formed with a bevel of about 20 degrees and the lower side of the edge of the body flange is formed with a similar bevel. The clamp consists of semi-circular ends and straight sides hinged together. One side is split and connected by a toggle latch. In cross-section, each clamp section is generally C-shaped, with the top and bottom arms of the C being beveled so that as the clamp sections are drawn inward the bevels wedge the bonnet against the flange. Locating pins fitting into holes in the plate and flange locate the parts and resist implosion when the valve body is subjected to vacuum. To maintain uniform clamping force around the circumference of the bonnet the bevels at the middles of the sides may be less wide than at the ends.

Abstract: A pipe coupler for interconnecting pipes and components together, for transferring bulk and fluid materials, and useful for connecting sections of pipe-end-to-end. The coupler connects grooved pipe to ground pipe, smooth pipe to grooved pipe or smooth pipe to smooth pipe. Also tees, valves, and pipe sections can be secured together. The coupler has an adjustable bail that can be adjusted to assure a tight seal despite any wear. The coupler also eliminates any gaps that may trap material and lead to cross-contamination of subsequent loads.

Abstract: The present invention relates to a conduit system comprising a plurality of conduit elements wherein adjacent conduit elements may be connected together by a coupling means in flexible yet fluid tight fashion. This coupling means may provide a fluid-tight joint despite variations of temperature to which the conduit elements may be subjected. The conduit system may be conveniently used for joining conduits used for feeding water to the turbines of hydro-electric plants. The coupling means may comprise annular rings or flanges fixed on the periphery of each of the pipe ends to be joined together, the annular rings having upwardly and inwardly extending side walls. An annular-type gasket formed of a resilient material may be positioned around the periphery of the rings (e.g. in a bridging relation with same), the annular gasket being positioned in a substantially co-axial alignment with the longitudinal axis of the conduits.

Abstract: A vortex gasket for automotive exhaust system, preferably used with a special flange having a conical seal surface, is formed by spirally overlaying a metal hoop (2) of flat strip, and an inorganic filler (3) of tape form, and annularly spot welding a winding start portion (2a) and a winding end portion (2b) of the hoop (2) to itself. The tape form of the inorganic filler is wider than the flat strip of the metal hoop so that edges of the inorganic filler form seal contact surfaces spaced beyond edges of the metal hoop. When an external force is applied in the axial direction, slipping occurs between the hoop (2) and the filler (3), and the gasket is telescopically deformed in the axial direction, so that the seal contact surfaces 1a, 1b, at sides of the gasket, are formed in a conical shape.

Abstract: A clamp assembly is for connecting the two hubs of a hub connector with each hub in sealing engagement with a seal ring, the hubs having flat opposing surfaces with ring grooves and tapered annular surfaces on the opposite side of the hubs from the ring grooves. The clamp assembly includes a flat sided, adapter ring for positioning between the opposing faces of the hubs, the adapter having a ring groove on each side for engaging seal rings located in the ring grooves in the faces of the hubs, a plurality of tapped holes in the outside wall of the adapter ring, a plurality of clamp segments positioned around the adapter ring, studs connected to the tapped holes in the adapter ring and extending through openings in the clamp segments and nuts on the studs outside the clamp segments for moving the clamp segments toward the hubs to cause the inclined surfaces on the clamp segments to force the hubs into sealing engagement with the seal rings.

Abstract: A manually releasable, toggle-type fastener is provided for use, in place of the conventional bolt-and-nut fastener that is normally used to secure together the adjacent, aligned, bolt lugs formed on the ends of curved segments which form a circular pipe coupling. The fastener includes a first pin part fitted into the bolt hole of a first lug, and a second pin part fitted into the bolt hole of the second lug. A lever is pivotally connected to the first pin part for swinging into a locked position adjacent its segment and for swinging into an unlocked position away from its segment. The lever has an end to which a clamp member is releasibly secured. The clamp extends along the lugs and has an end which engages the second lug and which carries the second pin part for securing the lugs together. The fastener may be made in different sizes to fit different size bolt lugs on different size couplings.

Abstract: A manually releasable, toggle-type fastener is provided for use, in place of the conventional bolt and nut fastener, used to secure together the adjacent bolt lugs formed on the ends of curved segments which form a circular pipe coupling. The fastener includes a pin of a shape and size to fit into the aligned bolt holes of the lugs, in place of a conventional bolt, and a lever pivotally connected to one end of the pin for swinging into a locked position adjacent its segment and into an unlocked position away from its segment. The lever has a hook-like formation on its end to which a wire-like loop is secured. The loop extends around the sides of the pin and the sides of the bolt lugs to be fastened together and has an opposite end engaging both the pin and the adjacent surface of the segment for securing the lugs together and for being restrained from release by the pin itself.