Abstract: A metal face seal assembly for sealing between machine components includes a first subassembly and a second subassembly rotatable relative to the first subassembly. Compressible seals positioned between inner and outer seal members of the subassemblies provide a non-axial sealing load, whereas at least one metallic biaser provides an axial face load to bias inner seal members of each subassembly together at a rotatable interface.

Abstract: A gasket formed of compressible material and having a first sealing surface and a second sealing surface for providing a fluid seal between a first component and a second component, a plurality of cavities provided within the gasket proximate the first and/or second sealing surfaces and extending over at least a first portion of the gasket to provide increased compressibility of the gasket in the first portion.

Abstract: Methods and apparatus for a seal according to various aspects of the present invention include a seal operating in conjunction with a housing and a removable cover. A portion of the seal is attached to the housing and another portion of the seal is attached to the removable cover to enclose a joint between the housing and the removable cover. A cutter cuts the seal, which allows the removable cover to be removed.

Abstract: A panel-sealing and securing system for securing a panel to a mullion coupled with weather seal pressure gaskets for sealing exterior joints under high wind velocity. The mullion is formed in one piece or in two halves of a split mullion which occurs at the joint between multiple pre-fabricated units of a unitized grid system. The mullion has a concealed front corner cavity adjacent to panel for installing the panel-sealing and securing system. For weather sealing, elastic pressure gaskets and expansion joints comprising panel gasket seals at a joint between the panel and the mullion and mullion gasket seals at a joint between the two halves of split mullion where a unitized split mullion system is used. To securing the panel to the mullion and allow for thermal expansion movement of the panel, two segments formed in one piece or in two hinge connected pieces include a gasket holder segment and a spacer plate segment.

Abstract: A rack and pinion steering system including a rack slidably supported within a housing that engages in a pinion gear wherein the housing includes a cylindrical sleeve having an outer seal surface with a slight medial taper at one end thereof. A yoke assembly, which is received by the cylindrical sleeve, operates to guide the rack and maintain engagement of the rack and pinion during operation of the steering system and includes a yoke member engaging the rack. A retainer member holds a yoke plug, used in the yoke assembly, in position and has a compliant annular seal member having an inner sealing surface that has a complementary slight outward extending taper to provide a self-sealing interface with the medial taper of the outer seal surface of the cylindrical sleeve to protect the internal components of the steering system from water and other contaminants.

Abstract: A seal comprising a high temperature RTV silicone adhesive sealant layer; a first non-ceramic layer mounted to the RTV silicone adhesive sealant layer; a first expanded metal layer mounted to the first non-ceramic layer; a first silicone cloth layer mounted to the first expanded metal layer; a metal reinforcement layer mounted to the first silicone cloth layer to provide structural integrity without the use of ceramic materials; a second expanded metal layer mounted to the metal reinforcement layer; a second non-ceramic layer mounted to the second expanded metal layer; a turbine mesh layer mounted to the second non-ceramic layer; a second silicone cloth layer mounted to the turbine mesh layer; a sealing castable applied over the second silicone cloth layer to provide a covering; and, a high temperature bonding adhesive disposed between each layer following the first non-ceramic layer to bind the layers together.

Abstract: The technology of the present application provides seal to be engaged between a fitting and a port to prevent leaking of media passing through the fitting and port. The seal includes upper and lower protruding portions that are compressible and deformable to provide higher sealing forces and an air tight seal at standard industry torque and compression load values.

Abstract: A sealed assembly comprising two bodies and an elastomeric seal therebetween wherein the seal comprises an internal web that is aligned in the general direction of a shear force between the two bodies.

Abstract: Generally speaking, in accordance with the invention, a putty is provided that can include many or all of the handling characteristics of a traditional plumber's putty, but with reduced staining qualities. Such putty can facilitate substantially stain free installations. Putties in accordance with the invention can contain combinations of polymers or oligomers, solvents, fillers and optional rubbery materials. A composition according to the invention is preferably sufficiently stain-free to be used on porous stone, such as marble and granite, without damaging the appearance of the stone. This is achieved by eliminating oil completely, or at least substantially, or restricting their ability to cause stains sufficiently. Because compositions of the invention can be made to be free of oils, they can also have the effect of eliminating the greasy feeling to the hands, which can occur when handling traditional putty.

Abstract: A method for sealing a bore formed in a cover film is disclosed. An ink inlet hole formed in an ink cartridge is covered at a hole covering area of the cover film. The method includes formation of a recess outside the hole covering area by removing a portion of the cover film, mounting a seal film on the cover film in such a manner that the seal film covers the bore, and sealing the bore with the seal film by heating the seal film with the seal film mounted on the cover film and thereby melting a side of the seal film opposed to the cover film.

Abstract: A method and apparatus for forming a sealed joint between first and second construction surfaces comprises a joint spacer having a first state and a second state. In the first state, the joint spacer has a unitary structure which includes a first component and a second component, wherein in the first state the second component is engaged to the first component. In the second state the second component is disengaged from the first component. The joint spacer also has an adhesive disposed on at least a portion of only the first component, the adhesive configured to adhere to the first construction surface.

Abstract: An insert seal unit includes a frustoconical body. A lower slip assembly is in operable communication with the body as is an upper slip. A seal element is in operable communication with each of the upper slip and the lower slip assembly.

Abstract: A sealing device for vacuum urinals in aircraft, with a container having an upper and lower opening cross section, and with a spherical closure in the form of a sphere. The diameter of the spherical closure is greater than the diameter of the lower opening cross section, and the spherical closure can be accommodated by the container. The spherical closure can further be moved from a sealed setting to an open setting, and from the open setting to the sealed setting, wherein the lower opening cross section is sealed by the spherical closure in the sealed setting.

Abstract: A metal to metal seal for downhole tools. A sealing device includes a metal seal. A nonmetal seal may be used to bias the metal seal in a radial direction in response to a pressure differential applied to the sealing device. A well tool includes a housing assembly, a closure member and the sealing device. Both of the metal and nonmetal seals contact a selected one of the housing assembly and closure member when the closure member blocks flow through the housing assembly. A method of sealing between the housing assembly and closure member includes the step of displacing the closure member to relieve the pressure differential, the metal seal continuing to seal against the pressure differential until the nonmetal seal no longer seals between the housing assembly and the closure member.

Abstract: An inner sealing portion seals a tubular port, which is provided to a receiver that receives water, at a first location of the tubular port. An outer sealing portion seals the tubular port at a second location of the tubular port spaced from the first location on an outer side of the inner sealing portion. A sealed space is formed between the inner sealing portion and the outer sealing portion. A tracer gas for performing a leak test of the outer sealing portion is enclosed in the sealed space. An amount of outwardly leaked tracer gas, which leaks from the sealed space through the outer sealing portion, is measured with a leak test device.

Abstract: A sealing gasket and a method are provided. One aspect of the sealing gasket includes a base. The base is densified to form a substantially flat portion and a raised seal portion. The raised seal portion is configured to conform to a contour of a surface of a component and seals a region between the surface and the base to prevent fluid leakage. Another aspect of the sealing gasket includes a filter portion. The filter portion is coupled to the base and configured to extend across a fluid passageway of the base.

Abstract: Means for transferring electric power and/or signals comprises an electrical power slip-ring system (EPSR) (3) comprising a housing (4) containing an electrical slip-rings, the housing (4) being connected to a support structure (6) of a vessel (7) and a brush carrier unit (8) that is in slidable contact with the electrical conductor means, the brush carrier (8) being fixed to a turret (2). A swivel unit (10) extends thorough the centre of the housing (4). The turret (2) and support structure (6) may be disposed on the vessel in various configurations such as an internal turret configuration, a submerged turret configuration or an external turret configuration.

Abstract: In a method of manufacturing an axis seal, first, a roll of rolled metal material is cut into metal material plates of a predetermined size. Next, metal material plates are etched from both sides so as to form a predetermined size. Subsequently, the thin metal plates are arranged so as to be in a ring shape, oriented in the same direction, and are welded so as to be fixed. Additionally, during these processes, heat treatment is performed by heating rolls of rolled metal materials or metal material plates or thin metal plates at a predetermined timing, thereby eliminating residual stress (strain).

Abstract: A fastening structure includes a bolt, a fastened member, and gasket material. The fastened member has a bolthole into which the bolt is screwed, and a communication hole that extends from the bolthole to a space other than the bolthole. At least a part of a gap between a thread of the bolt and a thread of the bolthole, and at least a part of the communication hole are filled with the gasket material.

Abstract: A novel gasket material. The gasket material has a foam core. The foam core is at least partially saturated with a curable polyurethane mix.

Abstract: A vacuum chamber assembly comprises a floor plate, an upper plate, plural props standing on the floor plate to support the upper plate, and side plates closing side opening portions between the props. First connected portions between the floor plate and the props and second connected portions between the upper plate and the props are fixed by screws. Circumferential edge portions of the side opening portions are provided with installation grooves, respectively. A gasket includes side surface sealing portions installed in the installation grooves formed on the circumferential edge portions of the side opening portions, respectively, and connection sealing portions for sealing the first connected portions and the second connected portions. The side plates are fixed to the circumferential edge portions to close the side opening portions via the side surface sealing portions of the gasket, respectively.

Abstract: A sealing mechanism for a gas chromatograph machine includes a weldment attachment mountable at the weldment assembly of the machine. The attachment has a passage therethrough for gas communicated to the weldment assembly. An actuator imparts a direct force on the weldment attachment to move it linearly towards an injection port of the machine and to sealingly clamp the weldment attachment onto the port. Torsional forces are not applied on the weldment attachment by the actuator.

Abstract: The invention relates to a heat shield arrangement for a hot gas conducting structure, in particular a metal component of a gas turbine unit or combustion chamber, with the heat shield elements anchored adjacently on a support structure to cover a surface. Said heat shield elements each comprise a lateral groove, arranged in the region of the edge of the surface thereof facing the hot gas, at least two adjacent shield elements are connected by at least one seal element mounted in the groove. The seal element is embodied as a sealing flap, which may be displaced from a first position to a second position and vice versa, whereby the first position is an open position without a sealing effect and the second position is a closed position with a sealing effect. According to said method the sealing flap is moved from the first to the second position by the movement of a heat shield element.

Abstract: A motion-sensing light includes a power cord with a plug to be plugged into an electrical outlet. In one embodiment, the light is moisture-resistant, allowing the light to be used outdoors with a suitable electrical outlet. The light may be mounted on a wall with nails or screws, hung from a hook, or a mounting bracket that holds the lamp in a desired orientation, yet allows removal and re-insertion of the light.

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: Nozzle segments mounting vanes are received in circumferentially extending, generally dovetail-shaped grooves in an outer casing of a steam turbine, the nozzle segments forming part of a stage with rotating buckets of the steam turbine. The inclined slashfaces of the adjoining bases of the nozzle segments are provided with circumferentially opening slots to receive spline seals. The spline seals preclude or minimize steam leakage flow past the gap between the adjoining nozzle segments thereby enhancing the steam flow through the partitions of the nozzles.

Abstract: The present invention relates to hydrogenated nitrile rubber polymers having lower molecular weights and narrower molecular weight distributions than those known in the art. The present invention is also related to shaped articles containing hydrogenated nitrile rubber polymers having lower molecular weights and narrower molecular weight distributions than those known in the art.

Abstract: An apparatus for sealing a gap between an elevator car door and the associated car wall during car travel includes a sealing strip of resilient material with wall portions that can be reversibly stretched to bridge and seal the gap.

Abstract: An apparatus for providing a secondary seal on mixers and similar rotating equipment that includes a stop assembly and a collar which cooperate to minimize translational movement of a mixer shaft during shutoff and to form a reversible seal between the vessel and the shaft. The apparatus provides a sealing engagement between the mixing vessel and the rotatable shaft of a mixer offering improved safety during mechanical seal replacement.

Abstract: An apparatus for providing a secondary seal on mixers and other rotating equipment that includes a stop assembly and a collar which cooperate to minimize translational movement of a mixer shaft during shutoff and to form a reversible seal between the vessel and the shaft. The apparatus provides a sealing engagement between the mixing vessel and the rotatable shaft of a mixer offering improved safety during mechanical seal replacement.

Abstract: A corrosion resistant gasket for aircraft, and more particularly to encapsulation of a conductive mesh in a pliable fluorosilicone compound that will not become bonded to mating surfaces and will also migrate upon compression during installation to the threads of attaching hardware utilized between the instrument, antenna, and aircraft structure, thereby reducing corrosion through the attaching hardware, by providing a hermetic seal around the periphery of the envelope of the attached device. In addition, a flexible seal comprising a fluorosilicone, a silicone, and silica is disclosed. The flexible seal provides a fluid-resistant barrier and is readily installed and removed from electrical and/or mechanical components in conjunction with the use of a conductive corrosion resistant gasket described in U.S. Pat. No. 5,791,654.

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: An active window seal assembly is disclosed that operatively engages a movable window when the window is stationary and disengages the window when the window is in motion. The seal assembly comprises a stationary frame, a movable lip that is operatively connected to the stationary frame, and a cavity disposed between the stationary frame and the movable lip. Several configurations provide for movement of the movable lip when the movable window is in motion. The first configuration allows the cavity to inflate with air, thus forcing the movable lip away from the window. A second configuration provides that the air in the cavity be evacuated, thus pulling the movable lip away from the window. A third configuration provides that a voltage be applied to the stationary frame and the movable lip to create an electric field. The electric field draws the movable lip toward the stationary frame and away from the movable window.

Abstract: An improved diaphragm for use with a gasket to prevent leakage of a pressurized fluid. The diaphragm has an internal groove which uses strong spring back and the pressure of the fluid to increase the gasket seating load, thereby providing a self-energizing seal which can accommodate changes in gasket load due to changes in fluid pressure. In one embodiment, a ring is shrink-fit or press-fit about the outer side edge of the diaphragm which improves strength and reduces the material cost.

Abstract: A method and apparatus for converting a sensor designed for use in an open environment to a sensor for use in a closed environment where it is desirable to retain the fluids within the closed environment. The method comprises inserting an elongated portion of the sensor into a spacing member, the elongated portion has a first sensing means being configured to sense movement of a movable item in the closed environment; positioning an O-ring on the elongated portion adjacent to the spacer; and securing the location of the O-ring by placing a retaining member onto the elongated portion after the O-ring has been inserted thereon. The apparatus comprises: a spacing member; an O-ring; and a retaining ring.

Abstract: A gasket assembly for interposition between a mating, mutually-opposed pair of curved surfaces. The gasket includes a flexible metal retainer, and at least one seal element which is supported on the retainer along at least a portion of the inner or outer perimeter thereof. In a stressed state, such as under compression between two curved interface surfaces, the retainer is made to conform to curvatures of the surfaces. However, upon being removed from compression, the retainer substantially recovers to its normal state.

Abstract: A framework of magnet pods and beams or strongbacks can be quickly and easily assembled to plug a leak in a ferromagnetic container wall. The magnet pods are located on either side of the leak. One or more beams extend between the magnet pods. Each magnet pod has a yoke with plural holes therethrough. The yoke loosely receives the beam. Each beam has lines of holes therethrough all along the beam length. The plurality of holes in the yokes and beams simplifies the alignment of at least one set of holes between the yoke and beam, wherein a pin is inserted to couple the beam to the magnet pod. A clamp is pinned to the beam so as to be adjacent to the leak. The clamp is tightened to exert removable pressure on a patch over the leak.

Abstract: A lathe cut sealing ring includes a substantially cylindrical ring of elastomeric material formed about a central axis. The ring includes a rectangular cross-section and has an inner diameter, an outer diameter, opposite planar upper and lower surfaces, and a plurality of angularly spaced positioning ribs protruding inwardly from the inner diameter. This sealing ring and the groove in which it is located can advantageously be formed with simple and cost-effective lathe cutting operations.

Abstract: A seal features a first ply and a second ply, each ply having at least one convolution. Leg termination regions connect the plies, such that a substantially enclosed volume is created between said first and second surfaces. Additional plies may be disposed between the first and second plies, the material of the additional plies having substantially the same convoluted shape of the first and second surfaces and being disposed within the envelope created between the first and second surfaces. The seal of the present invention may be formed of tube or strip stock. A seal formed of strip stock may have its edges, running about the circumference of the seal, either abutting, overlapping, or welded to each other.

Abstract: In a gas turbine including a nozzle retaining ring having a first annular axially facing sealing surface and a shroud segment having an axial registering second surface. To minimize or prevent leakage flow between the retaining ring and shroud segments, a generally U-shaped seal having reversely folded U-shaped marginal portions is received in a cavity formed in the second surface. At operating conditions, the marginal portions seal against the base of the cavity and the first surface of the retaining ring to prevent leakage flow past the retaining ring/shroud segment interface. To install the seal, the seal body is first compressed and maintained in a compressed state by applying one or more wraps about the seal body and an epoxy is used to secure the seal when compressed in the cavity. At operating temperatures, the retention means releases the seal to engage marginal portions against opposite sealing surfaces of the shroud segments and retaining ring.

Abstract: A method of and a device for sealing a gap (4) between a leadthrough (2) arranged in a constructional element (1) and an object (3) extending through the leadthrough (2), according to which an elastic sealing element (6) which surrounds the object (3) is placed in the gap (6) and is compressed in an axial direction of the leadthrough (2) and is fixed in its compressed condition with a fastening element (7).

Abstract: A seal arrangement is used for a folding roof of a hardtop vehicle, which has a front roof part, a rear roof part and a frame. The rear roof part can be moved from a closed position into a storage position inside a rear luggage space. The frame has a rear window and is pivotable in relation to the lateral roof pillars. The seal arrangement includes a sealing strip at least partially disposed in a region adjacent to a front end of the rear window, and an additional seal extending under the rear window and from the region of the pivoting axis to a rear edge of the rear window. The sealing strip extends under the front roof part and the lateral roof pillars and into a region of a pivoting axis of the rear window. The sealing strip includes a main seal having a surface, a comfort seal, and a channel disposed between the main seal and comfort seal.

Abstract: A seal is provided between a pair of members by a flexible seal element fixed to one member and having a turned edge. The seal element overlies a contact surface of the other member to effect the seal, the seal element spanning a gap between the members and being pressed into the contact surface by a high pressure region on the same side of the gap as the sealing element. In other forms, a second sealing element is employed in conjunction with a spline seal forming a tortuous sealing path between the members.

Abstract: A microplate assembly comprising a multi-well microplate, a plurality of vent caps and a porous vent film. The microplate includes a frame that houses a plurality of open wells in a rectangular array. Vent caps mount on the microplate to seal and vent the wells. When the vent caps are coupled to the wells, an interior volume is formed in each well. The wells function as a vessel for liquid samples that occupy predetermined spaces within the interior volumes. Each liquid sample remains within its predetermined space for all orientations of the microplate assembly. The vent cap comprises an array of well inserts. Each well insert comprises a sealing plug and a vent tube. A flexible perforated web interconnects the well inserts to each other. The vent tubes are fixed to the sealing plugs and terminate in a vent. A barrier formed from a plurality of nested flaps resiliently mounts on the vent tube to partially cover the vent and help inhibit the evaporation and loss of the liquid samples.

Abstract: For manufacturing a seal between two machine parts (10, 11) which together enclose a space (14) in which, at least at times, high pressure and/or high temperature prevail, sealing means which contain a curable composition (30) are arranged between the two machine parts (10, 11). The curable composition (30) is applied directly onto one or both machine parts (10, 11) in liquid form at least in the area which does not directly adjoin the space (14) in which, at least at times, high temperature and/or high pressure prevails. The two machine parts are built in before the curing of composition (30). A sealing ring can be inserted between the two machine parts (10, 11) directly around the edge of the high pressure and high temperature space (14) or that edge can be slightly raised and the curable composition (30) can be used for sealing outside this area.

Abstract: Methods and devices are provided for mechanically sealing the reservoirs of microchip devices to prevent leakage from or between any of the reservoirs. In one embodiment, the method includes sandwiching a microchip device and a gasket material covering the reservoir openings between a front sealing frame and a backplate, such that the gasket material is compressed against the back side of the microchip device by the back plate. The front sealing frame is secured to the back sealing plate using fasteners or welding. The gasket material is preferably a flexible polymeric sheet, which is biocompatible and compatible with the reservoir contents. In another embodiment, a composite backplate is used in place of the back sealing plate and separate gasket material. The composite backplate can include a substrate having sealing plugs defined thereon. The composite backplate also can be designed to hold the drug, thereby combining the assembly steps of reservoir filling and sealing.

Abstract: A method and apparatus for fluid sealing the underside of a workpiece, such as a semiconductor wafer and the like, during wet-processing such as electrodeposition and the like, employing an elastomeric encased ring of flexible fingers against which the periphery of the workpiece underside is forced to deflect the fingers downwardly and engage a peripheral sealing bead against the underside periphery of the workpiece; and where electrical contact with the workpiece is desired, resiliently engaging electrical contact tips protruding through peripheral openings in the elastomeric covering within the sealing ring, with the underside periphery of the workpiece.

Abstract: An in-stream sample collection and conditioning system which is easier to implement and maintain, more cost effective, and more reliable than existing systems. The preferred embodiment of the present system contemplates a modular system adaptable to a variety of diverse configurations and criteria, the system having incorporated therein a base piece formed of interconnecting modular base members, the base piece having fluid passageways formed therein to provide fluid flow between the adjacent base member. Situated adjacent to each of the modular base members forming the base piece are modular conditioning components, each selected from a field of diverse conditioning types and configurations, and adapted for the contemplated use.

Abstract: A corrosion resistant gasket for aircraft, and more particularly to encapsulation of a conductive mesh in a pliable fluorosilicone compound that will not become bonded to mating surfaces and will also migrate upon compression during installation to the threads of attaching hardware utilized between the instrument, antenna, and aircraft structure, thereby reducing corrosion through the attaching hardware, by providing a hermetic seal around the periphery of the envelope of the attached device.

Abstract: A method and assembly for utilizing a gasket to protect an exposed die from damage, such as chipping and cracking, caused by external forces such as shock, vibrations, installation and/or handling, as well as to prevent electromagnetic interference (EMI) emissions from the exposed die.