Abstract: An expansion ring assembly for sealing a gasket within an opening in the wall of a structure, the assembly including a drive mechanism having a pair of block members each having a threaded bore, and a bolt having oppositely threaded ends respectively threaded within the bores. The block members are removably engaged with respective ends of the expansion ring. An oversleeve is disposed in overlapping relationship with the expansion ring ends, and the expansion ring ends and the oversleeve include cooperating ratcheting structures. Rotation of the bolt of the drive mechanism in a first direction causes the block members to move outwardly along the bolt to expand the expansion ring and concurrently sequentially engage the ratcheting structures of the expansion ring ends and the oversleeve.

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 present invention is directed to a resilient, annular, metallic seal member having a generally “j” shaped cross-section. The annular, metallic seal member includes a first end portion having a first distal end, a generally curled second end portion that extends to a second distal end, and a central body portion between and contiguous with the first and second end portions. The annular, metallic seal member has a first side and an opposite second side. The second end portion curls in a first direction in accordance with a predetermined radius such that the second distal end is located across from the first side of the annular, metallic seal member and the first and second distal ends do not face each other.

Abstract: The present disclosure relates to a sealing element for a pressed connection that includes an essentially ring-shaped body constructed of elastic material. Also included is at least one sealing edge formed on an interior side and an exterior side of the ring-shaped body. At least one cutting element is embedded in the ring-shaped body and has a cutting edge. The cutting edge is configured to be moved out of the ring-shaped body during a pressing-together of the pressed connection. The present disclosure further relates to a pressed connection for plumbing fixtures. The pressed connection includes a connection piece adapted to have a receiving device constructed therein and configured to receive a pipe end. The connection device is further configured to be pressed together into the pressed connection. Further included is a sealing element arranged in the receiving device, the sealing element comprised as described above.

Abstract: Compressed wire filament(s) form a seal that seals the joint between first and second pipes of an automotive exhaust system secured by bolted together first and second flanges. The seal is initially attached to the first pipe and first flange in an intermediate assembly by an interface connection that prevents the seal from axially moving off of the first pipe prior to final assembly to the second pipe and second flange. A male projection is at the end region of the first pipe outer surface to which the seal is attached. The first flange abuts the seal at a planar seal interface. The seal has a bore with a longitudinal channel portion for initially axially engaging the projection and a transverse channel portion medially the seal bore for receiving the projection by rotation of the seal after the projection is axially displaced within the seal bore.

Abstract: A corrugated pipe saddle gasket is provided having a leading member, a primary sealing member, and an arm member, with the gasket having a contoured surface extending along at least a portion of the bottom of the primary sealing member and the arm member corresponding to the shape of a corrugated pipe. The primary sealing member of a second length is intermediate the leading member of a first length and the arm member of a third length, with the third length being greater than the sum of the first and second lengths. The gasket has at least a portion of its arm member having a durometer different from the durometer of the primary sealing member. In the preferred embodiment, the arm member has an axis that is substantially horizontal, and the leading member has an axis that is substantially vertical, such that the two axes are substantially perpendicular.

Abstract: A gasketed pipe joint including a dual-functional, composite gasket, which in addition to forming a seal between a pipe bell and a spigot provides a molding surface for forming a bent retainer in the hub of the pipe or fitting. The dual-functional composite gasket comprises a first axially disposed portion formed of a non-elastomeric, substantially rigid, substantially non-resilient plastic material and has a first leading edge and a first trailing edge, and a second axially disposed portion, adjacent the first axially disposed portion, formed of an elastomeric material. Preferably, the gasket comprises a major portion of the non-elastomeric, substantially rigid, substantially non-resilient plastic and a minor portion of the elastomeric material.

Abstract: A plate for passing a member from a first side of the plate through to a second side of the plate. The plate includes a retainer having a first surface on the first side of the plate, and a second surface on the second side of the plate. The retainer has one or more ports formed therethrough, at least a first one of the ports having an inner diametric extent configured to receive the outer periphery of the first member therethrough. A layer of an elastomeric material is provided on the first surface of the retainer across at least the first one of the ports. The layer is formed as having a first imperforate portion closing the first one of the ports, which first imperforate portion is openable for receiving the outer periphery of the first member through the inner diametric extent of the first one of the ports.

Abstract: A seal assembly comprising an elastomeric gland having insert openings and fastener openings. Elastomeric inserts are removably disposed in the gland insert openings. The inserts have removable portions to form cable openings. Cable(s) can be placed in the cable openings. End plates are disposed at each end of the inserts and gland. The end plates are formed of complementary plate members, which, when mated together, form an unitized end plate having fastener openings and cable openings. Upon installing the seal assembly in an elongate container opening, fasteners, which extend through the gland and end plates, are tightened. The gland expands outward and contacts the wall forming the container opening. The gland constricts on the inserts, and, in turn, the inserts constrict on the cable(s) located in an insert.

Abstract: A metallic packing is used to seal a connection between steam pipes. The metallic packing has an annular basement. This annular basement has an opening that joins the holes of the steam pipes. Two annular lips project from an inner circumference of the annular basement towards a central axis of the opening. Each annular lip steps away form the other lip, and the distance between free ends of the lips is longer than the width of the annular basement along the direction of the central axis.

Abstract: An undersea hydraulic coupling member has a seal retainer that holds and secures a plurality of annular seals that may be removed from the coupling member together with the seal retainer. At least one of the seals is a pressure energized hollow metal seal. The seal retainer includes a shell that engages the coupling member and a seal carrier that holds the annular seals.

Abstract: An improved seal retainer for an undersea hydraulic coupling member, which utilizes metal seals to maintain fluid integrity, is disclosed. The metal seals of the present invention are designed to either create an absolute barrier to fluid flow, or utilize a press or interference fit to create a barrier to fluid flow to ensure fluid integrity between the undersea hydraulic coupling and the environment outside the hydraulic coupling.

Abstract: A gasket seal for piping and equipment flanges comprises a sealing ring and a centralization ring, preferably concentric rings made of a metallic alloy. The sealing ring has an outer contour surface having a substantially L-shaped cross-section comprising an innermost portion and an outermost portion extending axially and a radial portion interconnecting the inner and the outer portions. The centralization ring has an inner contour surface defining a central opening, substantially coincident with the innermost portion of the outer contour surface of the sealing ring, so that the latter can be fitted into the opening as far as the radial portion of its outer contour surface. A deformation is made on the innermost portion of the outer contour surface of the sealing ring, forming a projection, whereby the centralization ring can be retained between the projection and radial portion without the centralization ring needing to be separated and then welded.

Abstract: A molded plastic seal assembly, for use with a leaching or stormwater system component, comprises at least two embossed, preferentially eccentric, circles. Pulling on a tab tears out the interior portion of the seal, to create a hole which accommodates a first pipe diameter. A remaining crescent portion surrounding the hole has a multiplicity of perforations or other means for thinning. Thus, second larger diameter pipe pushed into said hole, deforms the crescent inwardly, so the hole diameter is increased, sufficient to fit and form a seal with the second pipe outside diameter. A seal assembly article made of polypropylene has a very thin wall at the bottom of the tear-out groove. Part of the injection mold is moved during molding, to enable filling of the mold in vicinity of the thin wall.

Abstract: The present invention is directed to a resilient, annular, metallic seal member having a generally “j” shaped cross-section. The annular, metallic seal member includes a first end portion having a first distal end, a generally curled second end portion that extends to a second distal end, and a central body portion between and contiguous with the first and second end portions. The annular, metallic seal member has a first side and an opposite second side. The second end portion curls in a first direction in accordance with a predetermined radius such that the second distal end is located across from the first side of the annular, metallic seal member and the first and second distal ends do not face each other.

Abstract: A seal for use with a knife gate valve is disclosed, the seal having a loop to which is attached an axially facing sealing lobe. A sealing surface is positioned on the sealing lobe, the sealing surface having an axially projecting leading edge and flanking annular sealing surfaces oriented angularly. Axial and inner channels extend around the loop and provide space for the loop to deform when the sealing lobe is compressed. A reinforcing band is encapsulated within the loop to stiffen it against buckling when compressed by forces acting across the leading edge. The seal is used in facing pairs with the sealing lobes being compressed against one another to form a radial seal when the valve is open. The seal is made from a flexible, resilient elastomeric compound; the band is metal.

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 multi-ring gasket (140) is for sealing the joint between two flanged general non-metallic pipes. In one embodiment, the gasket has an inner ring (72) an outer ring (132) and a plurality of spokes (77) connecting the inner ring (72) to the outer ring (132). The various gasket embodiments have additional features, including having a substantially in-set outermost ring (132) so that the gasket (140) may be used with a flange having a mating surface interior of the bolts employed to draw the flanges together; having spokes (96) that do not encircle the bolts but that provide for aligning the gasket with respect to the bolts and the flanges; having an outer periphery (102) that is at least partially rectilinear; having one or more peripheral notches (112) for receiving a thickness gauge; and having a tab (144) for manipulating the gasket (140) in the installation thereof.

Abstract: An annular gasket for affecting a watertight seal between two sections of corrugated pipe. The gasket comprises a seating portion dimensioned to fit within an annular recess in one of the mated sections of corrugated pipe, and a sealing portion integrally molded with the seating portion. The sealing portion includes a first shoulder portion, a second shoulder portion, and an arcuate surface extending between the first and second shoulder portions. The mass of the seating portion is less than the mass of the sealing portion.

Abstract: The present invention relates to a seal comprising an annular sealing body comprising a radially outer peripheral groove, an upper load concentrating projection, a lower load concentrating projection, a compression relief region extending from the center of the load concentrating projections to the radially inner edge of the seal, and a compression relief region extending from the center of the load concentrating projections to the radially outer edge of the seal. Additionally, aspects of the present invention relate to a seal retainer comprising a thin metal sheet comprising a seal retaining aperture comprising a reception lobe and a retention lobe; wherein the reception lobe has a diameter larger than the outer diameter of the seal to be retained therein, and the seal retaining aperture has a diameter larger than the minimum diameter of the arch portion of the outer peripheral groove.

Abstract: A bypass duct sealing grommet, for sealing between an opening in a gas turbine engine bypass duct wall and the external surface of a projection extending through the opening, where the grommet has an annular body with a central aperture having an interior periphery adapted to sealingly engage the external surface of the projection. A first flange and second flanges define an external slot about an exterior periphery of the body adapted to receive and seal the bypass duct wall between the flanges.

Abstract: A seal for sealing and load bearing a process tube in a vacuum system including a seal member and a load bearing spacer provided in a seal cavity. The seal generally includes a seal cavity provided in a housing, where the seal cavity is configured opposite the process tube. At least one load bearing spacer is received within the seal cavity and adapted to contact the process tube is mounted to the housing. Additionally, at least one seal member is received within the seal cavity and adapted to contact the process tube.

Abstract: A sealed flange includes a seal (203 or 901) and a flange (201 or 801). The outer perimeter of a flange (201 or 801) has tabs (303 or 803) interspaced with notches (601 or 805). The outer perimeter of a seal (203 or 901) has spacers (305 or 903) interspersed with gaps (501 or 909). When the seal (203 or 901) is disposed along the outer perimeter of the flange (201 or 801), the tabs (303 or 803) fit in the gaps (501 or 909) of the seal (203 or 901) while the spacers (305 or 903) fit in the notches (601 or 805) of the flange (201 or 801). The outer perimeter of the sealed flange comprises the outermost edges of the tabs (303 or 803) of the flange (201 or 801) and the outmost edges of the spacers (305 or 903) of the seal (203 or 901).

Abstract: The present invention is directed to a valve seal assembly for use in multi-chamber vacuum devices. The seal assembly comprises a door and a deformable seal ring running along the periphery of the door, wherein the seal ring is held in place by a reversibly mounted securing means such as a disk, ring or clamp.

Abstract: A seal structure (10) has a flange (12) which locates against the flange of another member (22) and is held there by a “U” shaped clip (32). Member (22) has one or more cut outs (30) in its flange, and clip (32) has a corresponding number of tags (34) formed in one leg of its “U” shape. The or each tag (34) is bent inwards. On assembly, the flange of member (22) is placed against flange (12) and clip (32) is pushed over the sub assembly until the tag(s) (34) locate in a respective cut out (30). The need for drilling holes and riveting or bolting the assembly together is thus obviated.

Abstract: A package comprising gasket mounting clamps and instructions for mounting same. The mounting clamps include an expansion clamp and a takedown clamp. The expansion clamp engages an interior of a gasket inserted. The takedown clamp is looped in the gasket. The takedown clamp is urged against surface of either the expansion clamp or the gasket. A flexible fastener loops through the expansion clamp and around the takedown clamp passing through an opening in an instruction card retaining the card and takedown clamp within the gasket. The expansion clamp enables installation of gasket and expansion of the clamp without removing the fastener and without interference of the takedown clamp, fastener and card and permits observation of the card. The fastener loops through the expansion clamp and does not interfere with the expansion operation. The fastener remains intact until mounting a pipe to the gasket, assuring retention of the takedown clamp and instructions.

Abstract: In an engine having a rocker member adapted to rock about an axis intermediate the rocker member and a pushrod extending from a lower body to an upper body and engaging an end of the rocker member, a gasket for sealing the lower body to the upper body is provided. The gasket includes a sealing portion adapted to substantially seal at least a portion of the upper body to the lower body, and a pushrod support portion extending outwardly from the sealing portion adapted to engage the pushrod. At least a portion of the pushrod support portion engaging the pushrod is constructed from a material that is softer than the material of the pushrod.

Abstract: A flexible joint for connection between a pair of conduits for transferring a gas, under pressure, between the conduits. The joint includes a hollow, annular inner member for connection to one of the conduits which defines a spherically shaped, convex seal receiving surface and a hollow annular outer member which defines a spherically shaped, concave seal receiving surface for connection to another of the conduits. The outer member is mounted over the inner member such that the convex and concave surfaces are spaced apart and movable relative to one another about a common center point. Both the inner and outer members are open on opposite sides of their respective spherically shaped surfaces. The outer member may include and outer part and an intermediate part which is removably connected to the outer part. One of the members contains a single seal ring assembly retainer groove which opens toward and opposing one of the surfaces and which is centered on the center point.

Abstract: A gasket system for sealed interfaces utilizes a carrier ring having inner and outer compression stops to account for and control flange rotation effects in order to achieve a uniform and constant gasket seating stress across the sealing region. The inner compression stop provides a fixed fulcrum for flange rotation. The inner and outer compression stops have different heights, dependent upon the characteristic flange rotation, that allow the orientation of the sealing material to be angularly matched to the flange side profile and that allow the sealing material to be fully captured within the sealing region upon full compression, minimizing creep relaxation. A visual compression indicator on the circumference of the carrier ring permits assembly of the interface without the use of specialized or calibrated tools.

Abstract: The present invention discloses redundant sealing systems for composite risers having metal liner assemblies and methods of preventing interior fluid leakage to the outside of composite risers. An elastomeric seal is formed between an elastomeric tip provided on the end of a metal to composite interface (MCI) of the liner assembly and an elastomeric shear ply provided over the liner assembly. The elastomeric seal and a mechanical seal between the MCI and a transition ring which secures the liner to the MCI, provides a dual sealing system for the composite riser to prevent leakage of interior fluids. In the event that the integrity of the mechanical seal or the integrity of the liner is compromised, the elastomeric seal would prevent leakage of the fluid to the outside of the composite riser.

Abstract: A gasket for establishing a seal between the flanges of sanitary pipe fittings having a lumen of pre-determined diameter which comprises an O-ring portion of elastomeric material and an incompressible ring member bonded to said O-ring portion, said ring member having a substantially flat cross-section to limit compression of the O-ring.

Abstract: A seal ring for an orifice plate includes a metal annular body having an outer peripheral edge and an inner peripheral edge. A first sealing element retainer is integrally formed with and extends from a first side of the body. A second sealing element retainer is integrally formed with and extends from a second side of the body. An annular first sealing element engages the first sealing element retainer on the first side of the body. An annular second sealing element engages the second sealing element retainer on the second side of the body. The first sealing element and the second sealing element leave the outer peripheral edge of the body exposed to facilitate metal on metal contact between a carrier of an orifice fitting and the outer peripheral edge. The first sealing element and the second sealing element extend past the inner peripheral edge to form an orifice plate receiving groove.

Abstract: An apparatus and method for repairing hydraulic fluid leakage from the low/reverse gear fluid circuit of an automatic transmission case is disclosed. The present repair kit comprises a deformable grommet seal used in combination with a steel shim to replace the original equipment gasket, which is the source of the fluid leakage. Installation of the steel shim compresses the grommet seal in the fluid passage thereby creating a leakproof seal and maintaining the integrity of the low/reverse piston fluid circuit. In addition, the steel shim functions as a spacer in replacement of the original equipment manufacture gasket, which is discarded, and also provides a non-compressible backing surface to prevent distortion of the piston retainer when it is assembled and fastened against the shim.

Abstract: A seal fitting for use in high pressure equipment for allowing instrumentation wires to exit from the interior to the exterior of the equipment includes a main body which is welded to an opening in the equipment. A seat member is positioned within the main body such that two wires are passed through each of the slots in the seat member. The seat member is fixed to the main body by a pin that passes through the main body and into a portion of the seat member. A follower member, keyed to the seat member so that slots in the follower member align with the corresponding slots in the seat member, is then placed within the main body. The follower member is fixed to the seat member by a screw that passes through a central hole in the follower member and into a central portion of the seat member. Brazing alloy is then applied around the cap screw, on top of the follower member and around the wires exiting through the slots in the follower member.

Abstract: A gasket and heat shield for sealing and insulating a flanged joint has a first body portion, which contains a gasket member and a second body portion disposed at an angle relative to the first body portion. The first body portion incorporates two openings to accommodate the fasteners, which will be utilized to secure members of a flanged joint together with the first body portion secured therebetween.

Abstract: A gasket made of nickel, nickel alloy or stainless steel has a sealing face to be engaged by a knife-edge of a joint part. The gasket is cut to form a concave groove, a stepwise reduction in thickness or a sloping cut-out at the sealing face. The sealing face is protected from contact by an adjacent higher land portion. During processing, the gaskets can be stacked or carried on a rest. Any contact occurs at the land portion rather than at the sealing faces, which are protected by the land portions from contact. Dents or scratches in the sealing faces are prevented.

Abstract: An expansion ring assembly for sealing a gasket with respect to an annular wall of a rigid structure. The expansion ring assembly includes a drive mechanism for engaging and driving apart the opposing ends of an expansion ring to thereby radially expand the ring. The drive mechanism generally includes a pair of block members having threaded bores therethrough, and a bolt having oppositely-threaded ends which are threaded within respective threaded bores of the block members. The bolt additionally includes tool-receiving structure, such as a nut portion, which may be engaged by a suitable tool to rotate the bolt. The block members are respectively engaged with opposite ends of the expansion ring.

Abstract: The inventive sealing body (DK) is comprised of a number of segments (DS1, DS2, DS3) in whose sealing chambers (DKAA, DKAM) a sealing block (DBAS, DBMS) is arranged that is made of an easily deformable, in particular, gel-like substance. Tabs (ZE) which conically extend toward one another serve to center the cable which is inserted into the sealing body (DK) and held therein. Wedges (K) which can be actuated from the outside act upon assigned pressure elements (DE), which deform the corresponding sealing block (DBAS, DBMS) thus displacing the gel-like substance in a radial direction.

Abstract: A flexible gas connection joint for use with an exhaust gas recirculation system is located between an engine exhaust manifold and a turbocharger. The flexible joint comprises a hot pipe for connection with an exhaust gas source. The hot pipe has a first end for connecting with the exhaust gas source, and has a second oppositely positioned end for connecting with an exhaust gas receiving member. The hot pipe second end includes a generally cylindrical outside surface. An adapter is coupled to the hot pipe second end for receiving exhaust gas therefrom. The adapter has a cylindrical inside diameter, and the hot pipe second end is disposed within the cylindrical inside diameter. The hot pipe second end has a radiused outside surface for enabling three-dimensional movement of the hot pipe second end within the adapter. The flexible joint can include a sealing ring interposed between concentric hot pipe and adapter surfaces for providing a leak-tight seal therebetween.

Abstract: A compartment seal is disposed about an automotive tube or hose at the automotive firewall to prevent leakage of smoke and fumes generally from an engine compartment to an occupant compartment. The compartment seal comprises a rigid washer body member having a plurality of apertures circumferentially arranged around an opening therethrough,. The plurality of apertures is receptive to fasteners for attachment of the body member to the automotive firewall to provide a seal between the engine compartment and the occupant compartment. The tube or hose is attached to fittings at either end and passes through the opening in the body member. The body member includes a seal component within the opening configured to form a seal between a periphery of the hose and the seal component. The seal component is disposed within the opening of the body member.

Abstract: A seal is provided to seal the area between a cable containing optic fibers and the terminal end of a conduit through which the cable runs. The seal consists of a resilient gasket and a supporting structure and a cam. The seal assembly, encompassing the cable, is inserted into the terminal end of a conduit that houses the cable. Actuation of a cam compresses a gasket into sealing contact with the cable and with the conduit, thereby sealing the terminal end of the conduit from entry of contaminants.

Abstract: An improvement in a seal assembly of the type including a seal element retained by a seal housing, where one of the seal element and the seal housing is constructed from a compressible material, where the seal element includes a seal engagement surface and where the seal housing includes a housing engagement surface. The improvement includes at least one of the seal engagement surface and the housing engagement surface defining a depression for providing an isolated gap between the seal engagement surface and the housing engagement surface.

Abstract: The ring seal and retainer assembly includes an annularly shaped ring seal defining a radial inner surface, a radial outer surface, first and second axial end surfaces and a central bore for fluid or gas passage. A retainer is provided for affixing and positioning a ring seal in a sealing assembly. The retainer includes a circular sidewall sized and positioned to engage and cover the ring seal's radial outer surface. The retainer further includes a means for affixing the circular sidewall to the ring seal. In a first embodiment, the retainer includes an inwardly projecting ridge for projecting into a groove formed on the ring seal's radial outer surface. In an additional embodiment, the retainer includes a plurality of ridge segments which project into the ring seal's groove. In still an additional embodiment, the circular sidewall includes upper and lower inwardly projecting edges forming a “C” shaped cross-section.

Abstract: A seal assembly comprising a main O-ring seal element for engaging in a fluid tight manner opposed surfaces of two objects to be sealingly connected together and a barrier element positioned to protect all or a substantial portion of the surface of the main O-ring seal element against contact by the fluid when passing through the seal assembly from one object to the other object.

Abstract: A method and device for sealing or reducing holes or their connection with a tube end or similar fitting is characterized by at least one element with disc shaped surface with a rim smaller than the diameter of the hole to receive the element worth cone or some shaped surface with the wall of the drill hole under axial pressure, possibly with an additional tumbling action, and at least a temporary support of the element, the element of the device being placed into the drill hole and then with axial pressure from outside, e.g. by a punch, possible with an additional tumbling action, at least a radial shift of the disc shaped surface of the element and a press fit with the wall of the drill hole is achieved.

Abstract: A connection for threaded pipes and other tubular sections including a gasket for interposition between a first and an opposing second interface surface of the connection. The gasket includes a retainer and a generally annular seal element received in a groove formed into at least one side of the retainer. Such retainer side further is formed as having one or more channels extending extend radially through the groove and the inner or outer perimeter of the retainer. Each such channel defines a vent for relieving hydrostatic fluid pressure as the gasket is compressed between the interface surfaces.

Abstract: A fuel sealing assembly seals a fuel sender unit to a fuel tank. The fuel sealing assembly includes a retainer having a locking finger and a plurality of retaining lugs, and cover plate having a detent and a plurality of slots. Each of the plurality of slots receives one of the plurality of retaining lugs. The cover plate is rotated relative to the retainer so that the retaining lugs abut the to circumferential surface of the cover plate. The detent then receives the locking finger to lock the cover plate to the retainer. As a result. Both axial and rotational movement of the fuel sender unit is prevented.

Abstract: A waterstop ring provides a flexible joint connection between a pipe and a concrete structure. The waterstop ring includes an annular waterstop member projecting from an outer circumference thereof, and a pair of annular shoulder portions respectively disposed on each side of the waterstop member. The waterstop member and each of the shoulder portions each include hollow annular cavities defined therein, such that when the waterstop ring is installed in a connection between a concrete structure and a pipe, and partially embedded within the concrete structure, the annular cavities allow deformation of the waterstop ring and thereby allow tilting movement of the pipe in a direction away from the central axis of the pipe.

Abstract: The present invention constitutes a sealing means for piping and equipment flanges, especially of the Camprofile-type. The gasket of the present invention comprises a sealing ring (100) and a centralization ring (120) to centralize the sealing ring on the flanges of piping or equipment. Preferably, the sealing ring and the centralization ring are concentric rings made of a metallic alloy. The sealing ring has an outer contour surface (118), a lower surface (115) and an upper surface (117), the upper and lower surfaces consisting, respectively, of lower and upper prolongations of the outer contour surface. The outer contour surface has a substantially L-shaped cross-section comprising an innermost portion (118a) and an outermost portion (118b) extending axial and a radial portion interconnecting the inner and the outer portions. The centralization ring (120) comprises an outer contour surface (128), an inner contour surface (126), a lower surface (125) and an upper surface (127).

Abstract: A plastically radially expansible conduit connection including a first sealing surface disposed proximal to an end of a pin member of the connection and a second sealing surface disposed proximal to an end of a box member of the connection. The first and the second sealing surfaces substantially opposite each other upon connection of the box member and pin member. The connection also includes a first clearance surface proximal to the first sealing surface on the pin member and a second clearance surface proximal to the second sealing surface on the box member. The first and second sealing surfaces include an anti-rotation device. The first and second clearance surfaces and the first and second sealing surfaces each have a diameter such that prior to plastic radial expansion of the box member and the pin member, the clearance surfaces are proximal to each other and do not contact each other and the anti-rotation device is not engaged.