Abstract: A bellows for a compensator as an elastic connection between two duct connection pieces or flange frames arranged from each other in the longitudinal direction is presented. The bellows contains a cavity arrangement between an outer wall, an inner wall, and curved sections at each end of the outer and inner walls. The outer wall, inner wall and curved sections are continuously connected. The cavity arrangement between the outer wall and the inner wall is designed as a single-chamber cavity. The single-chamber cavity between the outer wall and the inner wall is formed in a manner such that it is free from connecting webs. The material of the bellows is flexible.

Abstract: An adjustable base unit includes a pair of upper and lower frameworks, a connection sleeve attached to the lower framework and having opposite end portions for extending into and providing flow communication through the unit and between an upper fill tube and a lower blower pipe of a silo filling apparatus, and elements for adjustably interconnecting and spacing apart the upper and lower frameworks with respect to one another. When the unit is interposed between the fill tube and blower pipe and the upper and lower frameworks are respectively detachably attached to the fill tube, connection sleeve and blower pipe, the upper framework can be angularly tilted by adjusting selected ones of the interconnecting elements in any one of several different orientations relative to the lower framework so as to correspondingly angularly adjust the mounting disposition of the fill tube on the blower pipe and thereby the position of the fill tube within the silo.

Abstract: A loose flange for connecting pipes, the flange having radially inwardly oriented and elastically deformable oblique surfaces. The clamping force capacity of the loose flange is improved as a result. A method for producing the loose flange is also disclosed.

Abstract: A one-piece, flanged, fluid-flow connector for connecting tube, pipe, hose or the like to a port face includes a base having a flat port face on one end, and a connection piece fixed to and extending from the other end. At least four tabs extend from the base, the tabs having apertures for mounting the connector. The base includes a reinforcement portion that transitions continuously from a lesser thickness adjacent the tabs to a greater thickness adjacent to the connection piece. The connector makes it feasible to provide a one-piece, four-bolt connector which occupies substantially less space than a comparable connector of the prior art, but which handles at least the same fluid pressures.

Abstract: This invention is directed to a novel multi-piece flange connector used for connecting a pump housing to a fluid conduit. The pump flange is comprised of a flange blank, an insert plate, and a seal. The flange blank is adapted to be connected to the housing of a pump and includes a central bore adapted to allow the passage of fluid. The flange blank also includes a recess surrounding the bore that is adapted to accept the insert plate and the seal. The flange blank is connected to the pump housing by the use of bolts or other fasteners that pass through apertures in the flange blank beneath the insert plate. The insert plate includes a seal member that prevents fluid from the central bore from leaking outside of the flange.

Abstract: The invention relates to a hose fitment, particularly for the connection of disposable food containers to dispensing lines of food dispenser and the like. The hose fitment of the invention is adapted to securely establish fluid connection between a hose and hose retaining means of a food or beverage dispensing line; the hose fitment comprising a body member having a first engaging surface for internally engaging a hose end and a sleeve member comprising a second engaging surface that externally engages around the hose end to press on the hose end against the first engaging surface in a manner effective to create a tight seal between the fitment and the hose end.

Abstract: An exhaust gas recycle (EGR) isolation flange that includes an annular body that defines a central aperture therethrough and a plurality of axially extending bosses that extend from the body is disclosed. Additionally, a method for coupling an exhaust gas recycle flange to an isolation flange is disclosed where the EGR flange is mated to the isolation flange by receiving an isolation flange boss within a boss receiving aperture of the EGR flange and by disposing a seal ring between the EGR flange body and the isolation flange body.

Abstract: An extension portion extending outwardly is integrally formed on the edge of an end portion of an exhaust pipe; a collar is fixed on the outer periphery of the end portion of the exhaust pipe by caulking; and the edge of the outer end of the collar is abutted against the extension portion. The aforementioned arrangement provides a connection portion of an exhaust pipe for an engine which is intended to rigidly connect the exhaust pipe to an exhaust port of the engine, to prevent gas leakage by eliminating the occurrence of clearance at the connecting portion, to reduce the flow resistance of exhaust gas in the exhaust pipe, and to reduce the production cost of the connection portion.

Abstract: A pipe coupling includes mating hub sections engaged by outer split clamp elements that are compressed together against mating tapered surfaces of the hub sections to draw the hub sections together into tight fitting relationship. The clamp elements are driven into a compressed condition by an outer locking ring that fits over the split clamp elements to draw the hub sections together and to retain the hub sections against axial separation. The clamp elements have locking surfaces engageable by the locking ring and axial movement of the locking ring is limited by appropriate stop surfaces and retainers. A locking sleeve installation and removal tool utilizing an actuator system is described.

Abstract: A vibration-decoupling flange connection in an exhaust gas pipeline of motor vehicles includes flanges pretensioned by means of a tensioning device with springy means so as at least to swivel and to seal on a position, corresponding to a precalculated position of pipe members to be connected. The tensioning device is mounted when the exhaust gas pipe is closed and forms a clamp. The clamp legs of the clamp overlap under pretension the opposite flange sides with clamp curves of the clamp legs and extend over a circumferential angle of more than 180 degrees. The clamp curves exhibit supports, spaced in the circumferential direction. The clamp legs are separate components, which, when fitted together, can be fixed in position relative to each other by locking.

Abstract: The present invention relates to a method for sealing an end of a pipe, to an external sealing surface. The method includes providing a pipe assembly which includes a pipe and a flange. The pipe includes a proximal pipe end and a flared end region. The flared end region is integral with the pipe and is proximate to and continuous with the proximal pipe end. The flange is non-integrally disposed around the pipe distal to the pipe's flared end region. The method further includes securing, non-integrally and distally to the pipe's flared end region, the flange to the pipe so that proximal movement of the flange relative to the pipe is restricted. The flange is drawn toward the external sealing surface, which causes the flange sealing surface to bias the pipe's flared end region into sealing contact with the external sealing surface. Pipe assemblies which include a backup ring having a tapered inside surfaces and a flange having tapered outside surfaces are also discussed.

Abstract: To provide a connection portion of an exhaust pipe for an engine, which is intended to rigidly connect the exhaust pipe to an exhaust port of the engine, to prevent gas leakage by eliminating occurrence of clearance at the connecting portion, to reduce the flow resistance of exhaust gas in the exhaust pipe, and to reduce the production cost of the connection portion. An extension portion extending outwardly is integrally formed on the edge of an end portion of an exhaust pipe; a collar is fixed on the outer periphery of the end portion of the exhaust pipe by caulking; and the edge of the outer end of the collar is abutted against the extension portion.

Abstract: Various installation arrangements for internal combustion engines, for example, may require a variety of different connection arrangements for fluid flow apparatus such as intake/exhaust manifolds, coolant flow apparatus, and the like. Consequently, a range of fluid flow bodies and connectors may be required for each engine model, leading to high unit costs and large inventories. An adaptable fluid flow apparatus according to this invention includes a fluid flow body and an elbow connector. The elbow connector can be mounted to the body in at least three positions so that the flow axis of the elbow connector lies along one of three substantially orthogonal axes. Moreover, the elbow connector can be positioned so that its flow axis lies either substantially parallel to or transverse to the longitudinal axis of the fluid flow body.

Abstract: The invention provides a one-piece flex pipe connection that has a bend, and any angle to a termination of a thread, groove or a 360° swivel flange. Additionally the invention provides a flex pipe coupling with a bend and with one end having a groove clamp connection and the other having a thread, groove or the 360° flange swivel. The last piece is a 360° bend swivel to a thread, groove or a 360° flange swivel. A preferred flex pipe coupling apparatus has a connector body with angularly related ends and with a central portion between the ends. At least one of the ends has a cylindrical recess. A shoulder at an axial end of the recess near the central portion cooperates with an end of a flex pipe inserted in the recess. An annular seal receiver in the cylindrical recess near the shoulder holds a resilient seal for sealing the end of the flex pipe.

Abstract: The inventive loose flange (1) consists of two half flanges (2, 2) overlapping each other in two overlap areas. A connector screw hole (4, 5), traversing both half flanges (2, 3), is located in one of the two overlap areas. Another connector screw hole (6, 7) is disposed in each of the two half flanges (2, 3), said screw hole being set at a 90° angle to the first. The overlap areas of both half flanges (2, 3) have stepped, interlocking profiles (21, 22, 31, 32) which serve to absorb shearing force. By using connector screws to connect two loose flanges, for instance, in both half flange (2, 3) overlap areas, all connector screws, i.e. even those arranged in screw holes (6, 7) located outside the overlap areas, can be tightened to a substantially greater degree.

Abstract: A segmented flange coupler is disclosed for connecting the free end of a grooved pipe to a fitting having a flange connector. The segmented flange coupler is formed of end-to-end connected individual coupling segments which are configured to move both circumferentially and radially into concentricity during the tightening of their connecting bolts. This is achieved by providing complementary surfaces of revolution about their overlapped bolt receiving apertures. These surfaces of revolution are preferably in the form of mating convex and concave conical surfaces.

Abstract: A flange structure formed from a plurality of joined flange segments is provided. The joined flange segments form a generally circular opening for a conduit. The flange structure can be connected to a substrate by fasteners extending through two oval shaped openings connecting the two forces. At least one shim is attached to the flange segments through narrow bridge connections which can be fractured by hand or with a hand held tool.

Abstract: A coupler (10) for pipes is designed for end-to-end assembly of pipe elements (2,4). It contains a waterproof tubular elastomer gasket (14), an exterior collar (12) which contains a collar that is cut longitudinally and at least partially covers the gasket, and means (16) for tightening the collar to bring together its extremities and to compress the waterproofing gasket. The means for tightening contains two matched flanges (18, 20) attached to each extremity of the collar, and means (22) for fastening the two flanges one to the other.

Abstract: A flange structure formed from a plurality of joined flange segments is provided. The joined flange segments form a generally circular opening for a conduit. The generally circular opening has a perimeter formed from a first surface segment and extending in a direction generally perpendicular to the faces, a second surface segment tapered toward one of the faces and a slot section. The flange structure can be connected to a substrate by fasteners extending through two oval shaped openings connecting the two faces. At least one shim is attached to the flange segments about the circular opening. The shim has an inner surface with essentially the same surface configuration as the generally circular opening of the flange segments.

Abstract: A adjustable closet flange for permitting adjustment of the depth of a closet flange connecting a toilet to a drain conduit. The adjustable closet flange includes a tubular lower conduit with open top and bottom ends, and exterior and interior surfaces. The interior surface of the lower conduit has a threaded region located adjacent the top end of the lower conduit. The lower conduit also has an outwardly radiating annular mounting flange adjacent the top end of the lower conduit. A tubular upper conduit is proved having open upper and lower ends, and inner and outer surfaces. The outer surface of the upper conduit has a threaded region adjacent the lower end of the upper conduit. The lower end of the upper conduit is inserted into the top end of the lower conduit with the threaded region of the upper conduit threadedly engaging the threaded region of the lower conduit. The outer surface of the upper conduit has an annular outer groove therearound adjacent the upper end of the upper conduit.

Abstract: A swivel flange seal joint assembly which includes a tube having an integral, enlarged ferrule and swivel flange is described. The ferrule is enlarged and includes oversized fastener openings configured to allow circumferential alignment between the swivel flange and openings in a mating surface. The assembly also includes a gasket having openings, and the gasket is positioned between the ferrule and the mating surface so that a seal is formed between when the fasteners which extend through the flange, ferrule, gasket and mating surface openings are tightened.

Abstract: The invention relates to a flange joint assembly for connecting together cylindrical duct sections. A tubular slip collar fits within opposing sections which engage an exterior projecting bead encircling the exterior of the slip collar. Opposing flange clamps are mounted on the ducts having leaf elements pressing against the duct surfaces. Opposing band clamps are mounted around the leaf elements securing the leaf elements to the duct surfaces. Opposing V-band ring locking devices encircle the flange clamps. In the alternative, Van-Stone flange rings secure the flange clamps together by means of locking bolts.

Abstract: A coupling device for coupling two or more ducts together includes a number of frames each having four beams secured together for forming a square shape and for securing onto the ducts. The beams each includes a flange extended upward and each includes a panel formed on each of two ends and inclined relative to the beams. A number of fasteners may secure the panels together for allowing the beams to be secured to the duct. A number of blocks may be engaged between the panels for allowing the beams to be secured to the duct of greater size.

Abstract: A variable radial orientation pipe MJ connector for engagement with a pair of bell end fittings. The MJ connector includes a tubular sleeve having opposed open ends. A pair of flanges are integral with the sleeve, each flange extending radially outward from the sleeve. Each flange is spaced inwardly from an open end. A shoulder extends axially from each flange to abut a circular gasket. A plurality of axially aligned arcuate slots in each flange receive fasteners therethrough whereby the radial orientation of the connector to the bell end fittings may be selected.

Abstract: The method of joining a coupling member to a pipe end is described. The method is particularly concerned with providing a coupling member on the end of a pipe of composite construction formed from a plurality of helically wound reinforcement strips of steel. The method comprises the steps of forming at least one generally circumferentially directed groove in the outer surface of the pipe wall adjacent the end of the pipe to a depth extending into the reinforcement core, providing a coupling member adapted to fit the end of the pipe overlapping the region of the groove or groove, providing key means to extend between said sleeve and said groove in said pipe, providing a curable resin in the joint area between said pipe and said sleeve and curing said resin to bond said coupling member to said pipe end. The resultant coupling is of increased efficiency in providing both an adhesively bonded and mechanically coupled joint.

Abstract: A shallow conic shaped outlet fitting for containers having material to discharge through a valve fitting into a flow directing pipe. The conic fitting and the flow directing pipe each have flanges to hold the valve fitting in position, and headed bolts serve to secure the pipe flange and the conic fitting in a compact assembly utilizing nut bars on the flange for the conic fitting to receive the threaded ends of the headed bolts thereby eliminating the usual undividual bulky nuts to engage the threaded ends of the bolts.

Abstract: A wellhead flange assembly 12 is provided for interconnecting the threaded end of an upwardly projecting screwed wellhead 16 with a lower flange of the blowout preventer 24. The flange assembly comprises a threaded adapter 40 including a thin-walled portion 54, a flange support portion 56, and an upper stop portion 52. A wellhead flange 42 includes a plurality of bolt holes 44 and an upper surface 51 for engagement with the lower flange of the blowout preventer. A plurality of securing members 48 are provided for selectively connecting and disconnecting the wellhead flange 42 and the threaded adapter 40. An adapter-to-flange seal 60 is provided for sealing engagement between the threaded adapter 40 and the wellhead flange 42. According the method of the invention, the threaded adapter may be easily heated to facilitate removal from the screwed wellhead, or may be cut off the screwed wellhead without damaging the screwed wellhead, thereby permitting the reuse of the wellhead flange on a new well.

Abstract: A warp beam flange assembly has a warp beam flange and a clamping ring. The clamping ring is releasably clamped, along with the flange, by at least two clamping screws onto a warp beam tube. To simplify manufacturing, the clamping ring is fastened by at least two axial fastening screws onto the flange outer surface and is supported directly on the flange outer surface by at least two rests. The rests are circumferentially offset from one another and form between them a clamping gap region in the shape of a segment of a circle. At least two axial clamping screws are circumferentially offset from each other and are located in the clamping gap region such that tightening the clamping screws in the clamping gap region reduces the space between the clamping ring and the flange outer surface and, as a result, induces flank pressure in a threaded engagement.

Abstract: Compact and lightweight portable collimator for adjusting an optical system of a video camera is disclosed, the collimator comprises a chart piece holding a chart pattern for producing an image of the chart pattern placed at a focal point of a convex lens which converts a light from the chart pattern into a beam of parallel light and projecting the beam toward the video camera, a cylinder for housing the chart piece and the convex lens, and coupling device rotatably coupling the cylinder to a lens barrel of the video camera so that an orientation of the chart pattern can be changed and the optical system of the video camera can be adjusted to a distance of infinity. The chart piece may be made replaceable so as to place the chart pattern within a focal length of the convex lens to optically synthesize an object placed closer than the infinite distance with respect to an objective lens of the video camera.

Abstract: The present invention is a thermoplastic pipe nipple for connecting a flexible fluid conduit to a tank, comprising a first elongated tubular portion with a first end for engaging the conduit, and a second end for engaging a second portion of the nipple. The second portion is attached to the tank. The first part preferably consists of a reinforced polyamide, and the second part preferably consists of a non-reinforced high density polyethylene. The first part has a lower tendency to deform under load than the second part.

Abstract: A connector for attaching an exhaust gas recirculation tube to an intake manifold of an internal combustion engine. A thermal isolator surrounds an end of the tube and includes a sleeve contacting the tube and merging with a cylindrical body portion which is spaced from the tube. An upset bead is formed in the body portion. The tube and thermal isolator are inserted into a flange surrounding an opening formed in the intake manifold. A retainer is inserted into the flange and rotated such that latching devices on the retainer engage hooks on the flange to prevent removal of the retainer from the flange. The retainer also has ribs for supporting the body portion of the thermal isolator. The retainer is sized to engage the bead of the thermal isolator to prevent removal of the thermal isolator and tube from the flange. The flange and thermal isolator are sealed against fluid leakage.

Abstract: A convoluted flange ring for a flange coupler in a piping system the flange ring having an annular bolting disk with an outer rim and an inner rim forming a U-shaped cross section, with the bolting disk having a transitional thickness for improved stress management, the thickness of the bolting disk increasing from the outer rim to the inner rim.

Abstract: A flow valve for mating with a fluid coupling of the type comprising a cylindrical body and a plurality of circumferentially spaced latches. The flow valve comprises a generally cylindrical valve housing and an annular flange adjacent one end of the valve housing. The flange is mounted to the valve housing such that the flange is rotatable to facilitate repositioning of the flange to distribute wear on the flange caused by the circumferentially spaced latches of the fluid coupling. In a preferred embodiment, the flange is symmetric and the flange and the valve housing each comprise a predetermined pattern of holes for receiving fasteners for mounting the flange to the valve housing. After a period of use, the fasteners can be removed and the flange repositioned, or reversed, to distribute wear to other locations on the flange.

Abstract: An improved mechanical pipe joint for use in a bell and plain pipe end assembly. The joint includes a gland having a conical cavity for receiving a toothed split ring that coaxially compresses and grips the plain pipe end as the gland is tightened to the bell. The joint is sealed by a compressible gasket positioned between the split ring and the bell. The gland further includes an integrally formed, radially extending shelf for abutting against the split ring and mechanically stopping the gland from being pulled over the split ring during joint assembly.

Abstract: A pipe coupling having a pair of opposed, semi-circular collar halves to be attached via fasteners for clamping the halves together on abutting ends of collinear pipes. The pipe ends have circumferential grooves engaged by ridges on an inside of collar half. A pair of parallel reinforcing wings extend radially by a varying height on an outside of the collar halves, along the axial edges, providing rigidity and strength to the pipe coupling. The wings increase in radial height from the circumferential ends adjacent the tabs to a maximum at the center of the coupling. The wings thereby distribute unequal forces, which are concentrated at the center, to achieve equally distributed deformation with such forces, thereby reducing the possibility of the ridges disengaging the grooves due to concentration of deformation at a local area.

Abstract: A vibration isolating clamp apparatus for maintaining an end of a tube in sealing abutment with a surface, in substantial alignment with an aperture disposed in the surface, suitable for use in extreme temperature environments, wherein the tube has an outwardly-projecting, annular bead arranged substantially adjacent the portion of the tube adjacent the aperture in the surface. A retainer member is provided with a clamp attachment region and a tube retaining region. Means for enabling affixation of the clamp apparatus to the surface are disposed in the clamp attachment region. In the tube retaining region, means are provided for insertably receiving the extreme end of the tube. Bead sealing means entrap the bead between the tube retaining region and the surface. In the tube retaining region, tube isolation means limit the magnitude of transverse vibrations of the end of the tube, proximate to and beyond the bead, and away from the extreme end of the tube.

Abstract: A rotatable vacuum flange includes a flange ring having a recess, an insert mounted in the recess in the flange ring, the insert including a seal portion and being adapted for vacuum-tight attachment to a vacuum conduit, and a wire spring positioned between the flange ring and the insert. The wire spring retains the insert in the recess in the flange ring and permits rotation of the insert relative to the flange ring. The flange ring and the insert include grooves located in opposing alignment to receive the wire spring.

Abstract: The connector assembly includes a clamp having a segmented latch ring radially disposed therein and mating hubs on tubular members to be connected. A downwardly facing shoulder of the clamp engages the upwardly facing shoulder of an end hub on one of the tubular members. The segmented latch ring includes a plurality of latch segments having a T-slot for receiving actuator screws which, when rotated, cause the latch ring segments to move radially inward to engage a downwardly facing shoulder on an end hub of the other tubular member. Upon actuation, the hubs are compressed together for connecting the tubular members.

Abstract: A coupling and methods for interconnecting the ends of spirally ribbed pipe are disclosed. Grooves are formed transversely across two or more ribs of the pipe and a coupling ring is secured to the end of the pipe by lugs or cleats which rotatably engage with the grooves. Contact surfaces of the lugs are angled relative to the grooves to center the coupling ring axially of the pipe. The angular relationship of the grooves and contact surfaces of the lugs draw the ring into abutting contact with the end of the pipe as they rotatably engage the grooves.

Abstract: An apparatus to provide a threaded coupling for a pipe to enable the pipe which has had its threads broken to be joined to a mating threaded pipe. The threaded coupling permits the coupling to be affixed to the pipe when the pipe is located in a difficult to reach area. The invention is used with a pipe which has been broken in a house wall and it is desired to not have to rip out the entire wall to get at the pipe. A transverse opening is drilled in the pipe after a small section of wall adjacent the threaded end has been removed and a pin inserted into the opening. Thereafter, a collar with a recessed wall to accommodate the head of the pin and a shelf to abut the head of the pin serves to form a secure retaining means onto which a gasket to seal leaks and a pressing ring for engagement with a mating coupling is affixed so that the broken pipe can be joined to a mating pipe.

Abstract: The invention relates to a pipe connection in which an intermediate ring which is provided on its end faces with sealing lips is inserted between the widened pipe ends and clamping means are provided which brace the widened pipe ends and the intermediate ring together in a force-locking manner, the sealing lips of the intermediate ring being plastically deformed.

Abstract: A connection for connecting an end hub (22) of a valve (10) to the flange (32) of an associated conduit (26). A bolting ring (36) has a threaded end portion (64) adjacent the valve (10), and a cylindrical smooth end portion (68) remote from the valve (10) extending radially inwardly from the threaded end portion (64). A shoulder (70) between the smooth portion (68) of the ring (36) and the threaded portion (64) acts as a stop to accurately position the bolting ring (36) onto the hub (22). Upon connection of the assembled valve structure to adjacent conduits (26), tensioning of the threaded studs (42) results in torque loads exerted by the smooth surface (68) on the locking ring (36) against the smooth surface (60) on the hub (22) for transmitting loads to the hub (22) as shown particularly in FIG. 5.

Abstract: A separable flange retainment system includes a first boss on the flange and a mating second boss on a valve body. The boss on the valve body has a threaded aperture for reception of a suitable fastener. A generally U shaped retainer device having an orifice in its bight portion straddles the bosses and is secured in position by the fastener. The retainer device precludes lateral and rotational movement between the flange and the body.

Abstract: A connection for connecting an end hub (22) of a valve (10) to the flange (32) of an associated conduit (26). A bolting ring (36) has a threaded end portion (64) adjacent the valve (10), and a cylindrical smooth end portion (68) remote from the valve (10) extending radially inwardly from the threaded end portion (64). A shoulder (70) between the smooth portion (68) of the ring (36) and the threaded portion (64) acts as a stop to accurately position the bolting ring (36) onto the hub (22). Upon connection of the assembled valve structure to adjacent conducts (26), tensioning of the threaded studs (42) results in torque loads exerted by the smooth surface (68) on the locking ring (36) against the smooth surface (60) on the hub (22) for transmitting loads to the hub (22) as shown particularly in FIG. 5.

Abstract: A flange connection for round waveguides achieves a high-accuracy coaxiality of two round mutually adjoining waveguides (1a, 1b) by means of a radially elastic centering ring (3). The flange connection comprises two independent flange rings (2a, 2b) which are in each case attached to one end of the waveguides (1a, 1b), in which arrangement they are attached so as to be undisplaceable in the axial direction for a construction of the flange connection but to be freely rotatable around the respective waveguide. According to a preferred embodiment of the invention, the flange rings (2a, 2b) are constructed in such a manner that the flange connection can be joined in the manner of a bayonet lock.

Abstract: The invention relates to a flange connection for two components, in particular for containers, pipes or the like, with each of the two components having a flange which can be fastened against one another by fastening means and enclose between them a sealing body gripping over the connecting joint between the two components. Each flange, in its end face facing toward the connecting joint, has an annular sealing chamber which widens conically toward the connecting joint and into which a sealing body of annular configuration is positioned. The flanges, when fstened, bear against one another at the end face and together form a sealing chamber which is approximately triangular in cross-section and is virtually completely filled by the sealing body deformed by the fastening.

Abstract: A hubless flange for a valve body has a cross section which tapers outwardly with radial distance from the center line of the flange for radially equalizing the tangential stress for annular fibers in the flange. The flange includes a plurality of bolt holes and strengthened areas of increased cross section surrounding the bolt holes which also serve as load bearing surfaces for mounting bolts.

Abstract: The invention relates to a flange connection for two components, in particular for containers, pipes or the like, with each of the two components having a flange which can be fastened against one another by fastening means and enclose between them a sealing body gripping over the connecting joint between the two components. Each flange, in its end face facing toward the connecting joint, has an annular sealing chamber which widens conically toward the connecting joint and into which a sealing body of annular configuration is positioned. The flanges, when fastened, bear against one another at the end face and together form a sealing chamber which is approximately triangular in cross-section and is virtually completely filled by the sealing body deformed by the fastening.

Abstract: A one-piece flange ring for mounting in an open pipe includes a flange, an outer and an inner leg projecting from the flange, and an outer and an inner annularly projecting land for engaging the inner wall of the pipe. The outer leg is closer to the inner wall of the pipe than the inner leg when installed in the pipe. The outer and the inner leg are substantially parallel to one another and a capable of being fixed under stress with respect to the flange by the inner wall of the pipe when the legs are driven into the open pipe. The outer and the inner pipe engaging lands have an outer diameter greater than the inner diameter of the pipe before installation in the pipe, and they are flexed under stress toward the center of the pipe when the flange ring is installed in the pipe. The outer and the inner pipe engaging lands have an outer diameter equal to the inner diameter of the pipe after installation in the pipe. The outer and the inner pipe engaging lands are bent diagonally toward the flange.

Abstract: An instrument manifold and pressure transducer are provided for detecting a pressure differential across an orifice fitting. Removable flanges are utilized on the output side of the orifice fitting, and on the input and the output ends of the manifold. Each flange may be structurally secured to its respective piece of equipment by special nipples, and is provided with apertures for receiving bolts to interconnect the flanges and the equipment. The versatility of the equipment is substantially increased, the response time and signal reliability is increased, and the installation costs are reduced.