Abstract: A system including a seal is provided. The seal includes a first layer made of a first non-metallic, elastic material. The seal further includes a second layer made of a second non-metallic, heat resistant material. The second layer is configured to thermally protect the first layer from heat. The seal is configured to extend across a gap between first and second surfaces, and the first and second layers are formed into a bended structure configured to expand and contract in response to a dimensional change in the gap.

Abstract: A rolling boot is proposed that has a first fastening region and a fold region with at least a first fold having a first fold peak region and a first fold flank near the first fastening region and, opposite this first fold flank, a second fold flank which is adjoined by a fold trough, wherein a transition region having a base surface is arranged between the first fastening region and fold region, and an angle a having a range from approximately 90° to approximately 140° is formed between the base surface and an outer side of the first fold flank, and the fold trough has a depth T which is, at most, approximately 65 percent of a height H of the first fold.

Abstract: The specification discloses a seal member for selectively completing a fluid passageway defined between an upstream member and a downstream member separated by an intermediate space, the seal member comprising an elongate stem portion dimensioned to be movably positionable in an opening defined through the upstream member between opposite first and second surfaces thereof, the elongate stem portion having provided at one end thereof a resiliency deformable, radially-extending flange and at the other end thereof a sealing face, and a fluid passageway defined through the stem portion between the flange and the sealing face. The flange is deformable under fluid pressure to increase the area of contact between the flange and the first surface of the upstream member and to simultaneously move the stem portion within the opening defined in the upstream member so as to bring the sealing face into sealing contact with an opposing surface of the downstream member across the intermediate space.

Abstract: A sealing assembly is provided in an airframe of aircraft. The sealing assembly includes, but is not limited to a resilient and yet stiff enough bellows body that is attachable to the fuselage of the aircraft and is further attachable to a center wing box of the aircraft. The sealing assembly seals off a gap between the fuselage and the center wing box so as to allow maintaining pressure in the fuselage if the fuselage is pressurized. The bellows body is a composite and is designed to sustain exposure to tear and wear and exposure to a high and low temperatures as well as exposure to chemicals used during operation of the aircraft.

Abstract: An antigen supply device 1 according to the present invention is mainly configured by a cylindrical member 3 extending in the vertical direction. An air suction port 5 for sucking the air in the antigen exposure chamber is provided at a lower end of the cylindrical member. An axial fan 6 that generates a flow of the air flowing upward in an axial direction of the cylindrical member is attached above the air suction port of the cylindrical member. Moreover, a supply port 4 through which high-concentration antigens are jetted from a dust feeder on the outside of the antigen exposure chamber is provided above the axial fan of the cylindrical member.

Abstract: The invention relates to a filter element for a press filter comprising first and second filtering means, each having at least one opening for the passage of a slurry to be filtered, and first and second connecting means for connecting the openings of the first and second filtering means. Each of the first and second connecting means comprises a flange portion and a tubular portion, wherein the flange portion of the first connecting means is fixedly attached to the first filtering means and the flange portion of the second connecting means is fixedly attached to the second filtering means, and wherein the tubular portion of the first connecting means is insertable into the tubular portion of the second connecting means.

Abstract: A boot for attaching a geosynthetic layer to a vertical member in a soil, where the geosynthetic layer extends substantially horizontally outwardly from the vertical member. The boot includes a stack of flexible rings. Each ring has an inner edge defining a center opening larger than the horizontal cross section of the vertical member and an outer edge, and is secured around its inner edge to the inner edge of a ring adjacent one side and around its outer edge to the outer edge of a ring adjacent its other side. The bottom ring of the stack of rings is adapted to secure to the geosynthetic layer. A securement ring is secured around the top ring of the stack of rings and has a center opening adapted to be secured to the vertical member.

Abstract: A multiple layering means of a protective laminated multiple-layered split boot layer assembly, providing both very important qualities of easy installation and reliable boot sealing performance. Easy installation is easy to achieve but the reliable boot sealing performance of substantially high degree of reliable boot sealing performance is very much needed but has eluded many investors until now. Many different solutions and approaches are used, such as multiple layering, reinforcement with fastener such as glue sealant adhesive, reinforcement encircling rings, and appropriately positioning each split boot layer's cut (53) split line, in relationship to the cut (53) of preceding and adjacent split boot layer, with alternating slit (or seam) facing feature, for maximized sealing performance.

Abstract: Sealing members for vehicle radiator assemblies and vehicle radiator assemblies comprising sealing members are disclosed. In one embodiment, a sealing member for a radiator assembly includes a central panel, a mounting connector, and a flexible skirt element. The mounting connector may be formed in an upper edge of the central panel and extend across a width of the central panel. The mounting connector and the central panel are formed from a first polymeric material. The flexible skirt element may be formed in a lower edge of the central panel and extend across the width of the central panel. The flexible skirt element may be formed from a second polymeric material that is elastically deformable and recoverable. The first polymeric material may be relatively harder than the second polymeric material. The sealing member may be coupled to a radiator assembly installed in an engine compartment of a vehicle.

Abstract: An oil rotary vacuum pump of mechanical type is filled with a requested amount of oil at the end of the manufacturing process, then it is stored and then shipped to the user, letting the user avoid an operation of introducing the proper amount of oil into the pump. The oil leakage is prevented by securing the suction and/or exhaust ports of the pump, which are sealed by means of a removable sealing member, for instance by means of a membrane.

Abstract: A sealing arrangement (1) for a pivotally arranged boat drive in a hull of a boat, the boat drive extends through a hull opening in the bottom of the boat. The boat drive forms, together with the hull of the boat or with a connecting piece (2) set into the hull of the boat, an annular gap. The annular gap is bridged by at least two flexible sealing elements (5, 6), and the at least two sealing elements (5, 6) enclose at least one ring chamber (7) between them.

Abstract: The invention relates to a sealing joint (101) designed to be arranged between a first duct (100) and a second duct which are susceptible to relative axial and/or radial movements, yet belonging to the same fluid distribution circuit, said joint comprising a flexible central part (103) with a generally cylindrical shape matching the form of the first and second ducts and made from material resistant to said fluid, having a mounting surface (102) for fixing to the first duct on one side and a mating surface (104) on the other side for making contact with the second duct such as to provide a flexible sealing connection between the first and second duct, characterised in that the mating surface has a peripheral reinforcement (110) extending radially at least partly above the central part.

Abstract: The need for a related-art nipple 3 is eliminated to lift restriction on the stroke of the slider S. A tubular protrusion 9 is provided on the face of a seal body H facing an end cap C, and maintains a positional relationship of being inserted into a lubricant supply hole 8 formed in the end cap when the face of the seal body faces the face of the end cap, and it has an insertion portion 9a receiving insertion of a lubricant supply nozzle 10 for a supply of lubricant, and a supply port 9b connected to a rolling-element directing passage 7 via the lubricant supply hole when it is inserted into the lubricant supply hole. A seal element is created on the insertion portion 9a and makes close contact with the lubricant supply nozzle in a process of inserting the lubricant supply nozzle into the insertion portion.

Abstract: A bulkhead seal includes a housing configured to be attached to a bulkhead about a shaft and defining an annular recess. An annular diaphragm seal is rotatably disposed in the annular recess of the housing and about the shaft. A plurality of orifices extend through the annular diaphragm seal to prevent air pressure differentials from locking the annular diaphragm seal with respect to the housing. A lip seal is provided on each side of the annular diaphragm seal. Each lip seal includes a seal portion disposed to seal the orifices in the presences of liquid.

Abstract: An axle boot for joint sealing, in particular on the drive train of motor vehicles, includes a substantially axisymmetric bellows, which is designed as a single piece with a connecting collar. The connecting collar has a plurality of indentations projecting towards the inside that are adapted to radial recesses in the external contour of the joint housing. To the outside of the connecting collar are attached compensating pieces that complete the external contour, forming a cylindrical circumferential surface on which a clamp is located.

Abstract: An object of the present invention is to solve the problems in conventional art antigen exposure chambers, and specifically, to provide an antigen exposure chamber system capable of simultaneously exposing a large number of test objects in a chamber to a uniform antigen (pollen, mite or house dust, etc.) in all seasons.

Abstract: A sealing gasket for providing sealing in a mounting gap on a furnace body where a rotating control member is positioned, is located in a mounting opening and includes a sealing wing, in contact with the wall of the body, a retaining member in contact with the outer surface of the furnace body, and at least one bump form extending towards the control member at the continuity of the retaining member and in the direction of the gasket extension for preventing water from reaching to the control member and furnace body.

Abstract: To eliminate pins for specifying a vertical position of a metal fixture from a dust cover forming mold to suppress variation in product shape caused by wear of the pins, the ring-shaped metal fixture is embedded in the dust cover to fix the dust cover at an installation position, inner diameter teeth are formed integrally at one end in the axial direction of an outer diameter tube section via a bend, the metal fixture is embedded in the dust cover so that one end in the axial direction of the bend is set at axially the same position as one end face in the axial direction of the dust cover, and groove communication sections radially penetrating the bent section are formed in a radial shape at the one end.

Abstract: Sealing member seals a through-hole formed in a panel that defines first and second compartments of a vehicle, and it has a tubular section and stopper portions. The intercompartment sealing member is fit onto a receiving member provided in the first compartment. Lip section, extending from the tubular section toward the panel in a spread-out form, is bendable (reversible) with respect to the panel. The lip section has operating convexities provided on its panel-facing surface. Manipulation of the operating convexities can invert the lip section, initially bent away from the panel, to contact the panel. The stopper portions function to limit a bent amount through which the lip section can be bent away from the panel (in the reverse direction).

Abstract: Disclosed is a linear actuator (10) including a housing (16) and a rotating element (14) located in the housing (16). A nonrotating element (12) is located in the housing (16) in operable communication with the rotating element (14). A bellows seal (40) is secured to the housing (16) and the nonrotating element (12) to react a torque applied to the rotating element (14) and allow linear translation of the nonrotating element (12) along an axis of rotation (24) of the rotating element (14). A method of operating a linear actuator (10) includes applying a torque to a rotating component (14) of the linear actuator (10) located in a housing (16) at an axis of rotation (24), and operably connected to a non-rotating component (12). The rotating component (14) is rotated about the axis of rotation (24) as a result of the torque application and the torque is reacted through a bellows seal (40) secured to the nonrotating component (12) and the housing (16).

Abstract: A boot which has reduced deformations during operation is disclosed. The boot includes a first fastening region, wherein the first fastening region is displaced axially, with respect to the direction of a main axis of the boot, and with respect to a housing part on which the boot can be mounted, in such a way that the first fastening region at least partially projects beyond an edge of the housing part.

Abstract: A clamping assembly for venting an enclosure having openings extending from the inside of the enclosure to the outside of the enclosure, the clamping assembly having a band portion having an inside surface oriented towards the enclosure and an outside surface opposite the inside surface, the band portion having at least one hole extending therethrough from the inside surface to the outside surface of the band portion, and gas permeable and liquid impermeable venting element covering at least one hole in the band, wherein at least one hole in the band portion is at least partially aligned with an opening of the enclosure to provide a fluid path between the inside of the enclosure and the outside of the enclosure.

Abstract: A sealing assembly having a flexible sleeve and a means for sealing a top portion of the sleeve around a plurality of cables, such as by a hook and loop type fastener attached at the top portion of the sleeve. The sleeve is configured to receive at least one cable therethrough and a bottom portion of the sleeve is configured to be secured to a surface. The sleeve can also be electrically conductive such that the sleeve dissipates static electricity from the cable to the surface. The sealing assembly can also have a grommet positioned adjacent the bottom portion of the sleeve. The grommet has a first wall having a plurality of apertures for connecting the grommet to a surface and a second wall that extends substantially perpendicular to the first wall and is configured to extend through an aperture in the surface. The second wall is flexible to protect the cable from sharp edges associated with the aperture in the surface.

Abstract: A tight package sensor seal includes a first seal portion engaging an outer surface of a sensor body and including a stop surface floatingly engaging a peripheral face surrounding a bore in a cover member. The first seal portion includes a reinforcing insert disposed therein. A second seal portion is axially spaced from the first seal portion and a flexible membrane extends axially between the first and second seal portions. The second seal portion engages an inner diameter of a bore in a cover member and includes a reinforcing insert therein. The sensor seal takes up a small radial space yet allows for radial offset of the sensor body relative to the bore of the cover member.

Abstract: Provided is a mounting structure for a boot for a constant velocity universal joint, which is capable of ensuring a stable sealing performance at low cost. The resin boot (1) for the constant velocity universal joint includes a smaller-diameter end portion (2) and a larger-diameter end portion (3), each of which has a cylindrical shape. The smaller-diameter end portion (2) of the boot (1) is fixed to a shaft (17) constituting an inner member, and the larger-diameter end portion (3) is fixed to an outer joint member (11) serving as an outer member. An inner peripheral surface of the smaller-diameter end portion (2) of the boot (1) is integrally bonded to an outer peripheral surface of a boot-mounting portion (18) of the shaft (17) in an abutting state due to a physical interaction between a resin constituting the boot (1) and a metal constituting the shaft (17).

Abstract: A sealing device for a prismatic body that includes an elastic tube disposed on an inner circumference of a frame body, in which a prismatic body W, which is an object of sealing, is inserted. The elastic tube has a shorter inner circumferential length than an outer circumferential length of the prismatic body W. The frame body is formed with an air vent that connects to a backside of the elastic tube, with a vacuum source being connected to this air vent so that the elastic tube is expandable to increase its inner diameter by being sucked toward the frame body. Release of the vacuum from the elastic tube after insertion provides an instantaneous seal.

Abstract: A system for adjusting a gas delivery mask is provided. The system may include a first housing portion, a first rim flexibly coupled to the first housing portion by a flexible member, a second housing portion coupled to the first housing portion, a second rim associated with the second housing portion, and a ball rotatably disposed between the first and second rims and having a gas passageway extending therethrough. The ball may be maintained in contact with both the first and second rims by a resiliency of the flexible member.

Abstract: A tight package sensor seal includes a first seal portion engaging an outer surface of a sensor body and including a stop surface floatingly engaging a peripheral face surrounding a bore in a cover member. The first seal portion includes a reinforcing insert disposed therein. A second seal portion is axially spaced from the first seal portion and a flexible membrane extends axially between the first and second seal portions. The second seal portion engages an inner diameter of a bore in a cover member and includes a reinforcing insert therein. The sensor seal takes up a small radial space yet allows for radial offset of the sensor body relative to the bore of the cover member.

Abstract: An actuator equipped with a boot for preventing an intruder from intruding into the actuator by way of an output axis's surface includes a plate formed in a cylindrical shape, having an end in which a flange to which an end portion of the above-mentioned boot is locked is formed and being fitted to the above-mentioned output axis, and a projection formed on an outer surface of the above-mentioned output axis in such away as to lock the above-mentioned plate. A breathing hole for communicating the interior of the above-mentioned boot with the exterior of the above-mentioned boot is disposed between the above-mentioned output axis and the above-mentioned plate.

Abstract: Provided are a boot-mounting structure for a constant velocity universal joint and a silicone boot for a constant velocity universal joint, which can prevent a crack caused by interference with a boot band while maintaining a stable sealing property. The boot band (69) is fitted into a fitting groove of a silicone boot (65), and is decreased in diameter while being attached into the fitting groove, to thereby fix the silicone boot (65). The boot band (69) is formed into an annular body not provided with a folded-back portion. There is provided a no-interference structure means (S) for preventing interference caused, when the boot band is decreased in diameter, between an axial outer-peripheral-edge portion (69a or 69b) of the band (69) and a bottom end portion (82a or 82b) of the fitting groove (75) corresponding thereto.

Abstract: Provided is a seal member, which is used in a heating furnace having an insertion port to which an end of a rod to be heated is inserted and seals between the insertion port and a surface of the rod inserted to the insertion port in an airtight manner, the seal member having: a plurality of seal chips in thin strips arranged along an inner surface of the insertion port in an airtight manner, each seal chip having one end held by the inner surface of the insertion port and the other end elongated towards inside the insertion port, where (a) when the rod is not inserted in the insertion port, each of the plurality of seal chips forms a slanting angle with respect to an insertion direction of the rod and (b) when the rod is inserted in the insertion port, the other end of each of the plurality of seal chips is pressed against a surface of the rod by means of elastic deformation.

Abstract: A flexible, resilient seal protects a bearing in a pitch joint of a helicopter blade assembly from contaminants. The seal includes a flexible, resilient body having a first end bonded to a stationary portion of the joint, and a second end biased into sealing engagement with a displaceable portion of the joint. The body includes an intermediate bellows section surrounding the bearing that expands and contracts to accommodate displacement between the stationary and movable portions of the joint. The second end of the seal includes a lip that rubs on a sacrificial wear layer formed on the second portion of the joint.

Abstract: A boot for constant-velocity universal joint includes a minor-diameter cylindrical portion, a major-diameter cylindrical portion, and a bellows. The bellows connects the minor-diameter cylindrical portion with the major-diameter cylindrical portion integrally, and includes a plurality of crests and roots, being made of a first crest, a first root, a second crest, a second root, and so on, which are disposed alternately in this order from one of the opposite ends that faces the minor-diameter cylindrical portion to the other one of the opposite ends that faces the major-diameter cylindrical portion. The bellows further includes a rising wall, which connects one of the opposite ends of the minor-diameter cylindrical portion that faces the bellows with a top of the first crest in the bellows, and which exhibits a rising angle of less than 45 degrees to an imaginary central line of the boot or that of the shaft.

Abstract: An inner seal is provided for protecting a CV joint boot for a CV joint. The CV joint includes a bearing, a back sealing means and a front can. The bearing operatively connects a first shaft and a second shaft. The bearing has an inner race and an outer race and has a front and a back. The first shaft is connected to the inner race. The second shaft is connected to the outer race. The front can is connected to the outer race. The back sealing means seals against leakage of lubricant from the back of the bearing. The inner seal comprises an inner seal body having a front can sealing portion for sealing with the front can to inhibit the migration of lubricant from the bearing therebetween. The inner seal body has a shaft sealing portion for sealing with the first shaft to inhibit the migration of lubricant from the bearing therebetween. The inner seal body has a shield portion that extends between the front can sealing portion and the shaft sealing.

Abstract: A storage tank orifice flexible center mount sealing device comprising a first annular member being substantially flexible having a annular channel, a central orifice and a mating surface, wherein the mating surface is operably configured to be disposed against a wall of a container; and, a second annular member being substantially rigid having a central orifice, wherein the second annular member is disposed in the annular channel and the members are coaxially aligned. The sealing device further comprises a sealing boot disposed on the first annular member, wherein an enclosed environment is defined by the first annular member, the wall and a conduit, which passes through the wall, the central orifices of the first and second members and the sealing boot, wherein mounting hardware used to secure the first and second members to the wall are protected in the enclosed environment and first annular member has a boot mounting area.

Abstract: The present invention describes an air quality containment unit for isolating a construction, renovation or maintenance project. The air quality containment unit contains dust, molds and other air-borne pollutants using a filter, such as a high-efficiency particulate air (HEPA) filter, to maintain a negative air pressure in the unit. The air quality containment unit includes at least one sealable orifice that allows workers to introduce, for example, an electrical cord into the unit without breaching containment.

Abstract: A system, device and method for plugging core holes. A core hole plug includes a top compression plate, a bottom compression plate and a rubber expansion ring that separates the top and bottom compression plates. A beveled screw hole can be created on the top compression plate. The beveled screw hole matches the angle of bottom surface of the head of a flat head bolt to ensure that the bolt remains flush with the top compression plate. The rubber expansion ring can be squeezed between the top and bottom compression plates as the flat head bolt is screwed into a threaded receiver nut formed on the bottom compression plate. An installation tool can be utilized to install the core hole plug so that the top compression plate remains flush with an existing floor surface.

Abstract: Apparatuses and methods for making and using a filter cloth assembly are described. A filter cloth assembly can have a liquid permeable filtering medium attached to a connector ring. The liquid permeable filtering media separates at least one solid from at least one liquid in a slurry. The filtering media has a feed hole formed therein that allows passage of a slurry through the filter cloth. The connector ring including a flange having an upper flange section and a lower flange section. The lower flange section receives an edge of the feed hole to connect the filtering media to the connector ring such that the face of the filtering media is substantially flush with the upper flange section.

Abstract: There is disclosed a sealing assembly including a sealing element and its placement in homokinetic joints. This sealing element is for sealing the outer joint part relative to a pipe or a hollow shaft. The sealing element is connected with the outer joint part which is connected with a sealing rolled bellows on the opposite side. In this case, the sealing element is configured as a closure lid provided with a pressed projection, and a set back piece on its outer circumference. This lid includes a cylindrical or turned over shape, and is disposed on the outer joint part of the homokinetic joint by way of the pressed projection and by means of secondary weld seams of a friction weld or magnetic arc weld that connects the outer joint part with a pipe. This connection is with a shape fit or a force fit whereby the closure lid in the set back partial piece is configured with a circumferential groove 16 as well as with planned breakage points.

Abstract: An oil rotary vacuum pump of mechanical type (100) is filled with a requested amount of oil at the end of the manufacturing process, then it is stored and then shipped to the user, letting the user to avoid an operation of introducing the proper amount of oil into the pump. The oil leakage is prevented by securing the suction and/or exhaust ports (3, 17) of the pump, which are sealed by means of a removable sealing member, for instance by means of a membrane (21, 23).

Abstract: A sealed spherical bearing having a bearing housing (1), a ball (2) located therein and a ring-like seal (4) having an inner edge (6) and an outer edge (5) located between the bearing housing (1) and the ball (2), one of the edges (5, 6) having a head (7) and a skirt (12) depending therefrom, the head (7) lying in an annular groove (8) formed in one of the ball (2) or the housing (1) and the skirt (12) lying on a lip (9) upstanding from the groove (8) to define at least two sealing lines between the seal (4) and the one of the ball (2) or the housing (1), the other edge of the seal being fixedly mounted to the other of the ball (2) or the housing (1).

Abstract: An object of the present invention is to provide a thermo-element having a simple structure, an improved durability and a good response characteristic, by improving heat conduction of wax serving as a thermally expandable component and by improving a diaphragm. The wax serving as the thermally expandable component is blended with small pieces of metal, such as metal powder and metal foil, and a low-melting point alloy having a melting point equal to or higher than a melting point of the wax, which are melted and mixed together in the wax, so as to improve the heat conduction and thus response characteristic of the wax. Further, a thick sealing member comprises a piston insertion bore formed in a central portion of the thick sealing member, a thick portion having a high thickness between the piston insertion bore and a sealing portion arranged in an outer peripheral region of the thick sealing member, the thick portion being easily deformable.

Abstract: A barrier membrane assembly for sealing a constant velocity joint assembly includes at least one selectively expandable and contractible barrier membrane body. The barrier membrane body has no openings therethrough and may selectively expand and contract in response to operational pressures acting against the barrier membrane body.

Abstract: To reduce weight and simplify mold structure, an annular metal fixture (1) embedded in a dust cover (2) has an annular base portion (3) and an inward peripheral tooth (4) integrally formed at the inner side thereof, the annular base part (3) is formed from one layer of flat plate and has a plurality of three-dimensional structures (6), which have projected portions (8) usable as a height position defining means when inserted into a mold for forming the dust cover, a plurality of notches (5) are circumferentially formed at the inner periphery of the inward peripheral tooth (4) in order to increase the diameter of the inward peripheral tooth (4) when fitted to the dust cover, and the three-dimensional structures (6) are formed at positions radially aligned with at least a part of the notches (5).

Abstract: A bearing seal includes an outer seal easily displaceable in the radial direction, an inner ring as a ring-shaped rigid portion not extendable in the radial direction, an inner seal having a seal lip, and an outer ring arranged on the outer peripheral portion of the outer seal, in which the spring constant of the inner seal is set to be larger than the spring constant of the outer seal. The sealing performance between the inner seal and the pin is ensured by using the ring-shaped rigid portion as a boundary. When the pin is displaced in the radial direction, the ring-shaped rigid portion is integrally displaced with the pin via the inner seal, and the displacement of the ring-shaped rigid portion can be absorbed by the outer seal.

Abstract: A gas turbine engine system includes an airframe support, a gas turbine engine mounted to the airframe support, a nozzle exhaust mounted to the airframe support, and a flexible annular seal having a first end that is attached to the gas turbine engine and a second end that is attached to an exhaust nozzle. The flexible annular seal may include a flexible annular wall that permits relative deflection between the gas turbine engine and the exhaust nozzle to facilitate the reduction of undesirable load transfer.

Abstract: A fastening member is integrated with a boot body, at least one of a fastening leading end portion or a fastening tail end portion expands or reduces the diameter by elastic deformation, and when the fastening leading end portion or the fastening tail end portion expands the diameter, the fastening member forms the shape of a trumpet. Since the fastening member is integrated with the boot body, a cylindrical small-diameter portion can be readily built in the other part.

Abstract: A boot assembly for an articulating joint is provided, including an inner layer and an outermost layer. The inner layer is constructed from a first material and the outermost layer is constructed from a second material that is different from the first material. The outermost layer at least partially covers the inner layer, and the second material includes a self-repairing polymer.

Abstract: The present invention provides a wiper assembly capable of minimizing the slant of a connecting rod interposed between wiper driving arms and a motor-driven arm by positioning the wiper driving arm to the substantially same height with the motor-driven arm. Further, the wiper assembly is capable of preventing water or other contaminants from entering a gap between a wiper arm shaft and a wiper driving arm by employing a cap covering the wiper driving arm and the wiper arm shaft, thereby effectively preventing wiper arm assembly malfunction that is caused by the entry of water or contaminants. The cap engages with the wiper arm shaft through a thread formed inside thereof.

Abstract: A joint boot molded from an acrylic rubber/polyamide-based thermoplastic elastomer, which comprises a polyamide resin and a cross-linked acrylic rubber. The acrylic rubber/polyamide-based thermoplastic elastomer is a dispersion of the rubber in the polyamide resin, obtained by dynamic cross-linking of the acrylic rubber, preferably by covalent bond-linkable cross-linking of the polyamide resin with the acrylic rubber. The joint boot has a fully satisfactory heat resistance required even for use at the inboard side.