Abstract: An apparatus for locking air hose couplings together, such apparatus including flexible inserts wherein the apparatus is configured for holding and locking air hose couplings of different sizes. A method of locking air hose couplings together using an apparatus for locking air hose couplings together, such apparatus including flexible inserts wherein the apparatus is configured for holding and locking air hose couplings of different sizes.

Abstract: A mounting device for a flat seal of a flange connection that includes a first flange, a second flange, and a flat seal arranged between the flanges. The mounting device includes a clamping jaw for a clearance between the first flange and the second flange. The clamping jaw tapers at an end to a nose for holding the flat seal.

Abstract: Pipe joints and more particularly circular push-on type pipe joints including a flexible gasket having both hard and soft sections and where the hard section has a chamfered outer edge and a “C”-shaped grooved portion on a side opposite of the chamfered outer edge in which a portion of the soft section fills and is connected to and the soft section is configured to partially overlap a flange on an interior surface of a pipe bell end.

Abstract: A system for delivering a fracturing fluid at a well site includes an input and a manifold assembly. The manifold assembly is connected receives a fluid mixture from the input and includes a plurality of manifold modules. Each manifold module includes a plurality of flow line segments, and at least one connector. The connector has a telescopically extendable end face connecting at least one flow line segment of the plurality of flow line segments to an adjacent connector assembly.

Abstract: A liquid-proof connector includes a columnar terminal having a rectangular cross-sectional shape and a connector that includes a connector housing which is obtained through insert molding with the columnar terminal, is made of fiber-reinforced plastic in which fibers are oriented in a longitudinal direction of the columnar terminal, and has a terminal holding hole to which the columnar terminal is inserted and a fitting portion which fits to a counterpart terminal. An in-holding-hole insertion portion which is a portion being present within the terminal holding hole of the columnar terminal is fixed to the terminal holding hole in an airtight state by bringing a surface in close contact with an inner surface of the terminal holding hole. Tensile strength of the fiber-reinforced plastic in a direction perpendicular to the longitudinal direction is 45 MPa or more.

Abstract: A probe seal for a female hydraulic coupling member has both internal and external pressure-energized seals. The outer wall or opposing ends of the seal have one or more pressure-energized seals for sealing between the body of the probe seal and the body of a coupling member in which the probe seal is installed. Annular, L-shaped, T-shaped or angled grooves in the inner wall of the seal form cavities and sealing projections that can be urged in an inward, radial direction by fluid pressure within an associated cavity to increase the sealing effectiveness between the body of the seal and the probe of a male hydraulic coupling member inserted in the receiving chamber of the female coupling member.

Abstract: A seal for sealing between a first member and a second member, including a first annular insert and a second annular insert axially spaced from the first annular insert. An elastomeric body includes a first portion over-molded on the first annular insert and a second portion over-molded on the second annular insert and an intermediate web extending between the first and second portions. The first and second portions including an annular flap extending from the first and second annular inserts that in an un-installed condition, extend radially relative to the first and second annular inserts and in an installed position are adapted to be compressed between the annular inserts and a surface of the first and second members.

Abstract: In one aspect, a sealing assembly may include a connector body extending axially between an outer surface and an inner surface. The connector body may define a groove extending axially from the outer surface toward the inner surface. The groove may include a first groove portion and a second groove portion. The first groove portion may be at least partially defined by a first bottom surface of the connector body and may include a first depth. The second groove portion may be at least partially defined by a second bottom surface of the connector body and may include a second depth that may be greater than the first depth. The sealing assembly may also include a gasket positioned in the first groove portion. Furthermore, the sealing assembly may include a retention sleeve positioned in the second groove portion and configured to retain the gasket within the first groove portion.

Abstract: A steam generator includes a boiler, a water supply pipe, a drainage pipe, and a steam supply pipe. The boiler has a first side wall, a second side wall, a bottom wall, a water inlet, a drain outlet, and a steam discharge port. The water supply pipe supplies water to the boiler. The drainage extends to a drainage pipe outlet below the drain outlet by way of a curved portion thereof having a shape projecting upward from the drain outlet. The steam supply pipe supplies steam to a cavity. The bottom wall has an inner bottom surface downwardly inclined from the first side wall toward the second side wall which faces the first side wall. The water inlet is in the first side wall near the inner bottom surface, and the drain outlet is in the second side wall near the inner bottom surface and lower than the water inlet.

Abstract: An assembly for production of a threaded connection, including a first and a second tubular component with an axis of revolution and each including at one of its ends at least one first threaded zone produced on an external or internal peripheral surface of the component depending on whether the threaded end is male or female in type, and capable of cooperating together on makeup, the ends finishing in a terminal surface. At least one of the threaded zones has, in longitudinal section passing through the axis, a profile that follows a continuous and concave portion of a curve over at least 10% of the length of engaged threads of the threaded zone.

Abstract: A metallic tubular member having a closed end member for use in heating, ventilation, and air conditioning (HVAC) systems or refrigeration systems and method of manufacturing are presented. In one instance, the method includes providing a metallic tubular stock member having a first end and a second end, wherein the first end is open and closing the first end of the metallic tubular stock member to form a first closed circular member having an outside diameter D1; forming a sealing aperture having an outside diameter D2 through the first closed circular end, wherein D2 is less than 5 percent of D1; and applying a heat-based sealing process including a metallic flow into the sealing aperture. Other methods and systems are presented.

Abstract: A backup assembly is provided for backing up a seal assembly that seals a gap between two components of a joint assembly. The backup assembly may include an elastomer, a spring element embedded within the elastomer, and first and second rings located adjacent to the elastomer on opposite sides of the spring element. The spring element may be a garter spring, and the elastomer may be over-molded around the spring. The elastomer may have opposing wing extensions that extend respectively along the first and second rings, and the rings may be steel rings. The elastomer, spring element, and rings form an annular backup ring. The backup assembly may be employed in a seal assembly for sealing a gap between two components of a joint assembly. The seal assembly may include a diaphragm seal component, and the backup assembly operates to provide backup and extrusion resistance for the seal component.

Abstract: A pipe sealing gasket is shown which is designed to be received within a raceway provided within a socket end of a female bell plastic pipe end which is assembled with a mating male pipe end to form a plastic pipe joint. The raceway in the female bell plastic pipe end is preformed during manufacture and the gasket is installed thereafter. The gasket has a rubber body portion which is reinforced by a hard plastic band formed as a series of integral, spaced wedges which are interconnected by a flexible ribbon. The hard plastic band acts to prevent extrusion of the gasket during a variety of pressure conditions as well as preventing displacement during field assembly.

Abstract: A seal for sealing between a first member and a second member, including a first annular insert and a second annular insert axially spaced from the first annular insert. An elastomeric body includes a first portion over-molded on the first annular insert and a second portion over-molded on the second annular insert and an intermediate web extending between the first and second portions. The first and second portions including an annular flap extending from the first and second annular inserts that in an un-installed condition, extend radially relative to the first and second annular inserts and in an installed position are adapted to be compressed between the annular inserts and a surface of the first and second members.

Abstract: A pipe clamp including an annular clamp housing having an opening for inserting therein a pipe, opposing clamp members located near ends of the annular clamp housing, one or more tightening elements for fastening and tightening the clamp members towards each other in a direction transverse to an axial length of the annular clamp housing, and an annular seal placed in an inner perimeter of the annular clamp housing, wherein one portion of the annular seal is attached to the annular clamp housing with one or more mechanical fasteners and another portion of the annular seal is slidingly attached to the annular clamp housing with one or more mechanical fasteners so that the annular seal is permitted to move and expand radially about as the pipe clamp is tightened by one or more tightening elements.

Abstract: A technique facilitates clamping operations by providing mechanical advantage. According to an embodiment, a clamping system comprises a clamp having a plurality of clamp segments with surfaces oriented to securely hold and clamp mating features, e.g. mating hubs, of adjacent components. The clamping system also may comprise an actuator coupled to the clamp to enable selective shifting of the clamp between an open position to receive the mating features and a closed position in which the clamp segments are contracted together to secure engagement of those features. A driver is coupled to the actuator to enable movement, e.g. shifting, of the actuator when opening or closing the clamp. The actuator facilitates operation of the driver via, for example, an ROV by providing mechanical advantage and thus increasing the clamping force applied by the clamp to the mating features.

Abstract: A gasket is adapted for sealing a joint between bell and spigot ends of corrugated pipes. The gasket generally includes a pair of seal lobes which provide a redundant double seal, together with an anchoring portion sized to be received in a trough defined by the pipe corrugation and at least one anti-roll lip adapted to engage the anchoring corrugation.

Abstract: A seal (100) for connecting to a tube (110) having a wall, the seal comprising: • an elongated cavity (130) for receiving an end of the tube (110); • a first elastic ring (140) in the cavity (130); and • a fluid inlet (150) for radially pressing the first elastic ring (140) against the wall of the tube (110) inserted in the cavity (130).

Abstract: The invention relates to pipe seals (10) for sealing a joint between a first pipe (32) a second pipe (42), said pipe seal (10) comprising a carrier member (12) and a sealing member (14) attached to the carrier member (12). The carrier member (12) comprises at least one retaining insert (24) with an inner grip portion (52) for gripping the second pipe (42), wherein the retaining insert (24) comprises an outer grip portion (54) for gripping the first pipe (32).

Abstract: Disclosed is a clamping collar which includes a belt made up of two belt portions, each of which has a first end provided with a tightening tab and a second end provided with an assembly member. The assembly members are suitable for co-operating to assemble the second ends together in a releasable manner. The collar also includes tightening means suitable for co-operating with the tightening tabs so as to move the tabs relative to each other once the second ends are assembled together, in such a manner as to tighten the collar.

Abstract: An annular sealing gasket for forming a sealing connection between a first tubular member and a second tubular member. The annular sealing gasket comprises a flexible sealing portion adapted to form a sealing connection between a first tubular member and a second tubular member and a body region adapted for supporting the flexible sealing portion and anchoring the annular sealing gasket to a secured connection. The body region further comprises spaced first and second conical legs extending convergingly away from the body region transversely from the flexible sealing portion.

Abstract: A schottky barrier diode includes: an n? type epitaxial layer that is disposed at a first surface of an n+ type silicon carbide substrate; a plurality of n type pillar areas that are disposed at the inside of the n? type epitaxial layer and that are disposed at a first portion of the first surface of the n+ type silicon carbide substrate; a p type area that is disposed at the inside of the n? type epitaxial layer and that is extended in a direction perpendicular to the n type pillar areas; a plurality of p+ areas in which the n? type epitaxial layer is disposed at a surface thereof and that are separated from the n type pillar areas and the p type area; a schottky electrode that is disposed on the n? type epitaxial layer and the p+ areas; and an ohmic electrode that is disposed at a second surface of the n+ type silicon carbide substrate.

Abstract: A method for making a gasket including molding an elastomeric material in a mold to form a gasket that includes an outer portion folded over an inner portion so as to define an inner annular space between and bounded by the outer and inner portions, and wherein one or more apertures are formed in a side wall of the gasket, which are in fluid communication with the inner annular space.

Abstract: Apparatus and methods for temporarily sealing a pipe including apparatus and methods for creating a temporary airtight seal at the open end of a pipe in a plumbing or refrigeration system. One such apparatus includes a body, grommet, washer, and a nut. Multiple airtight seals are created including a first primary seal between an exterior of the pipe and the grommet and a secondary seal between the open end of the pipe and the washer. The grommet does not require teeth and the apparatus does not require adhesive, sealant, or any other type of similar materials. Use of the apparatus and methods greatly minimizes and/or eliminates the potential for marring or otherwise distorting the open end of the pipe, thereby facilitating reuse of same.

Abstract: An assembly (500) is provided including: a first component (10) having a first outer surface (15) defining an opening therein; a second component (30) having second surface (60); and a sealing system (100). The sealing system includes a sealing member (200) and a support member (300). The sealing member is configured for providing sealing between the first component and the second component with respect to the opening and along a generally non-planar sealing perimeters. The support member is configured for supporting the sealing member in a generally non-planar configuration corresponding to the generally non-planar sealing perimeter. At least one of the second component and the support member is configured for enabling the sealing system to be mounted to the second component in a sealing position wherein to align the sealing member with the second component along the sealing perimeter.

Abstract: A sealing method is for sealing a gap between an opening section extending through a wall in a thickness direction thereof and an insertion member inserted in the opening section, and includes a seal-member preparing step of preparing a seal member including an elastic layer, an adhesive layer laminated on a surface of the elastic layer, and a release sheet laminated on a surface of the adhesive layer, and formed with a through hole into which the insertion member is to be inserted along a direction of lamination thereof, an inserting step of inserting the insertion member into the through hole such that the insertion member comes in contact with the seal member to bring the release sheet into abutment with the wall, and a sticking step of sticking the seal member to the insertion member and the wall, while peeling the release sheet from the adhesive layer.

Abstract: A heat-fusible gasket for affecting a flexible seal between two adjoining components of a coupling, such as the spigot end of a section of plastic pipe and a bell coupler to be fitted thereover. The gasket has an inner core which is constructed of an elastomeric material, and outer opposing sealing surfaces that are formed at least in part of a heat-fusible material that is compatible with the heat-fusible components with which the gasket is intended to engage. The gasket is co-extruded in continuous lengths with electrically conductive heat resistance wires embedded in the outer compatibly heat-fusible layers. For annular gaskets, the co-extruded lengths of gasket material may be cut and spliced into any desired diameter gasket. Upon connection to a power source, the gasket seal is perfected through electrofusion along the opposing sealing surfaces of the gasket, thereby providing enhanced sealing capability.

Abstract: A sealing arrangement for sealing a gas leakage path between a first gas flow and a second gas flow at an end of a rotating rotor disposed in a stationary housing (26) of a rotary regenerative device (10) includes a seal gasket disposed between a seal seat of the housing facing the rotor and the end of the rotor. The seal gasket may be a hybrid gasket having a first gasket member and a second gasket member disposed in back-to-back relationship, the first gasket member formed of a first material and the second gasket member formed of a second material. In an embodiment, the first gasket member is a solid neoprene rubber and the second gasket member is a sponge-like neoprene rubber.

Abstract: A flexible, water tight seal for a movable component. The seal has a border plate sandwiched between two sealing gaskets. The seal is compressed between two components that remain out of contact with each other. The seal is installed axially between the components. For components having circular contact areas, the seal can be constructed from a washer sandwiched between two O-rings. The components float on the compressed seal to allow some flexibility between the components while maintaining a water tight seal.

Abstract: A seal for pipe penetration or the like is formed, in at least one embodiment, of two halves, the seal received in a sleeve or opening of a wall or the like. The seal forms a central opening for a pipe or tube when the seal halves are brought together. Each seal half is formed of two base parts. Between the base parts a layer of intumescent material is placed. On the inside of the base parts peelable layers are arranged. The layers are peeled off to adapt the inner diameter of the seal to the pipe or tube received. In case of fire, the intumescent material will expand which expansion will collapse and close off the pipe or tube received in the seal.

Abstract: A water stop sheet to be wound around a wiring harness wired in a vehicle includes a closed-cell elastic sheet, an entire adhesive layer provided on one surface of the elastic sheet, and a partial adhesive layer provided only on a part of the other surface along one end edge. The water stop sheet is wound with the entire adhesive layer located on an inner surface side to be held in contact with the outer periphery of a wire group of the wiring harness and wound at least one turn. A winding end part is placed on the outer peripheral surface of a winding start part. The partial adhesive layer located on the outer peripheral surface of the winding start part and the entire adhesive layer located on the inner peripheral surface of the winding end part are adhered to each other.

Abstract: A sealing system of a burner basket in an ammonia oxidation burner, wherein the burner basket has a wall that is anchored in the ammonia oxidation burner and the burner basket has a gas-permeable bottom plate, which is placed on further internal fittings of the ammonia oxidation burner and has a peripheral rim, wherein the wall and the gas-permeable bottom plate are not mechanically connected to each other, and so there is a gap between the wall and the peripheral rim of the bottom plate, wherein at the peripheral rim of the bottom plate a rim seal that is made up of individual segments is mounted movably by way of guiding pins and the rim seal projects over the gap between the peripheral rim of the bottom plate to the wall and lies against the wall.

Abstract: A grommet and seal assembly enables a pair of ducts to pass through a sound wall that separates an engine from a cooling system. The disclosed grommet and seal assembly enables the sound wall to flex without breaking the seal between the grommets and the air ducts. The grommet and seal assembly may include a pair of flexible grommets which are installed in openings in the sound wall and through which the air ducts are installed. Rigid proximal and distal plates may then be coupled together so that the flexible grommets are sandwiched between the proximal and distal plates. Each flexible grommet may include dual flanges and all four flanges may be sandwiched between the proximal and distal plates after the proximal and distal plates are coupled together. A center plate may also be included between the flanges and between the proximal and distal plates for additional structural integrity.

Abstract: Gaskets for use with a bell and spigot coupling system are disclosed herein. The gasket comprises an elastomeric member having a front edge, a first section, and a second section. Axial forces generated by the insertion of the spigot to the first section of the elastomeric member displace the first section of the elastomeric member in an axial and radial direction.

Abstract: A steam turbine 10 is comprised of a double-structured casing configured of an outer casing 21 and an inner casing 20, a turbine rotor 23 disposed through the inner casing and having a plurality of stages of moving blades 22 implanted, and a plurality of stages of stationary blades 25 disposed alternately with the moving blades 22 in the axial direction of the turbine rotor 23 in the inner casing 20. The steam turbine 10 is further provided with a discharge passage 30 which externally guides steam, which has flown in the inner casing and passed the final stage moving blades while performing expansion work, directly from the inner casing interior.

Abstract: A radial seal is described for use in a filtration system having annular elements. The rings or annuli fit in a groove in an outer surface of a seal plate. Each annulus has an outer diameter larger than the inner diameter of a cylindrical housing of the filtration system. A gap in the annulus has a width selected to enable the annular element to deform sufficiently to permit insertion of the at least one annulus into the cylindrical housing. Two or more annuli can be configured such that the gaps of the annuli are misaligned when both annuli are installed in the groove, thereby minimizing leakage in operation. A registration system includes a registration element that cooperates with a registration element of the other annulus to ensure misalignment of the gaps of the pair of annuli.

Abstract: A seal structure which restrains deterioration in sealability when a location of a contact surface varies, and has reduced size. The seal structure includes a first panel, a second panel, and a grommet body. The first panel includes an aperture and a contact surface. The grommet body includes securing parts, a main body, an exterior edge, and first, and second seals. The first seal is made of an elastic material and extends from the exterior edge toward the contact surface to surround the main body and contact the contact surface. The second seal is made of an elastic material and extends from the exterior edge toward the contact surface to surround the first seal and contact the contact surface. An interval between the tips of the first and second seals is wider than an interval between the proximal ends of the first and second seals.

Abstract: On a back surface portion of a grommet, a clamp encircling water stop lip disposed around a first clamp insertion hole and a weather strip lower part water stop lip disposed in a position below a weather strip placement portion are provided. A first protector clamp protrudes from the first clamp insertion hole so that the first protector clamp can be locked in a first body locking hole in a grommet concave portion.

Abstract: A sealing assembly for fluidly sealing a roof drain within a conductor pipe has a sealing element and an expansion ring. The sealing element defines an inner wall with a portion that transitions inward and may be disposed on a portion of the roof drain. The expansion ring is disposed within the inner wall. Reciprocation of the of the expansion ring along the inward transitioning portion of the inner wall causes the sealing element to expand outwardly to a sealed position with the sealing element outer wall abutting the conductor pipe inner wall in a fluid tight seal. Opposite reciprocation of the ring allows the sealing element to contract and release from the conductor pipe.

Abstract: In a seal device for a hydraulic circuit, in which an oil passage that supplies hydraulic oil to or discharges the hydraulic oil from a hydraulic actuator operated by hydraulic pressure is formed over at least two members that relatively move, and a seal member that seals a gap between the two members in a liquid-tight manner is disposed in an interior of a groove section that is formed in at least either one of the two members, a communication section that allows the groove section to communicate with any portion of the oil passage such that the hydraulic oil in the interior of the groove section moves along with supply of the hydraulic oil to or discharge of the hydraulic oil from the hydraulic actuator is formed.

Abstract: A probe seal for a female hydraulic coupling member has both internal and external pressure-energized seals. The outer wall or opposing ends of the seal have one or more pressure-energized seals for sealing between the body of the probe seal and the body of a coupling member in which the probe seal is installed. Annular, L-shaped, T-shaped or angled grooves in the inner wall of the seal form cavities and sealing projections that can be urged in an inward, radial direction by fluid pressure within an associated cavity to increase the sealing effectiveness between the body of the seal and the probe of a male hydraulic coupling member inserted in the receiving chamber of the female coupling member.

Abstract: A biased actuator includes, a reservoir, at least one piston in operable communication with the reservoir, at least one metal seal and a biasing system in operable communication with both the reservoir and the at least one piston. The at least one metal seal is disposed about the at least one piston and is sealed to both the piston and the reservoir.

Abstract: A tube seal is provided including a rigid cylindrical tube and an elastomeric seal body molded to the outer surface of the cylindrical tube. The rigid cylindrical tube includes a recessed annular groove at each end thereof for receiving the elastomeric seal body therein to create a mechanical connection to resist the seal body from being pulled away from the cylindrical tube. The tube seal is also incorporated into a diameter reducing tube seal, an integrated tube seal and filter design and an integrated tube seal and valve design.

Abstract: This device for the sealed retention of a pipe for the sealed penetration of a partition wall by the pipe comprises a body equipped with a sealed axial passage for the pipe and with a peripheral region for the sealed mounting of the device in an orifice made in the partition wall. The body comprises a set of rigid retaining sectors each comprising a bearing shoe for the pipe, and a sealing material positioned between the sectors to delimit the said sealed passage, and around the said sectors in the said peripheral region of the body via which region it is mounted on the partition wall.

Abstract: A plug-in piece for sealing connection of two mutually assigned cylindrical surfaces includes an essentially tubular support body which on its ends exhibits annularly encircling sealing elements with a spherically curved sealing surface with a fluting formed therein.

Abstract: An assembly that includes first and second housing members, a gasket and a plurality of bolts that exert a clamp force to clamp the gasket between the first and second housing members. The gasket includes a plurality of tab members that engage the interior of one or both of the first and second housing members. The gasket tabs can resist a force exerted by a pressurized fluid within one or both of the first and second housing members. A gasket that is resistant to side loading due to a pressurized fluid is also provided.

Abstract: A plug-in piece 1 for sealing connection of two mutually assigned cylindrical surfaces includes an essentially tubular support body 2, which on its ends exhibits annularly encircling sealing elements, which can be made to engage to produce a sealing connection with the cylindrical surfaces to be sealed, wherein at least one of the sealing elements is configured as an annularly encircling sealing bead 3, 30 on the outer surface of the support body 2, with a spherically curved sealing surface. Provision is made that the spherical radius of the sealing surface (3, 30) is chosen so that the center of the sphere is roughly at the axis of support body (2) symmetry. Thus, the compression forces are ensured to remain largely constant, independent of the angular setting over the entire surface of the sealing bead.

Abstract: A profile element for connecting a vehicle pane to a water draining chamber includes a U-shaped snap-in recess formed by a bearing rib and a resilient leg disposed below the bearing rib. At an entrance into the snap-in recess, the bearing rib protrudes downward towards the resilient leg and the resilient leg protrudes upward towards the bearing rib so as to define an engagement aperture into the snap-in recess between an upper-most part of the protrusion of the resilient leg and a lower-most part of the protrusion of the bearing rib. A detent element is disposed in the snap-in recess behind the engagement aperture in an insertion direction of a rib of the water draining chamber.

Abstract: A tight-seal construction provided with a metal seal and a holding plate composed of a thin plate having a through window portion. A hitching concave peripheral groove is formed on a peripheral face of the metal seal, and the metal seal is held by the holding plate having a claw portion hitching to the concave peripheral groove and provided with a strap elastic portion protruding from an inner peripheral end edge of the through window portion as to freely and elastically deform in axial directions and radial directions.

Abstract: A self-energizing seal includes a housing and a plurality of annular seal ring segments movable relative to the housing. The annular seal ring segments include a circumferential slot and a plurality of holes defining a flow passage into the circumferential slot. A plurality of self-energizing ring segments are disposed in the circumferential slot. The annular seal ring segments and the self-energizing ring segments establish a seal with the exterior of a pipe and permit movement of the pipe in a direction orthogonal to the axis of the pipe.