Abstract: Apparatus and method for joining two tubular elements (14, 22) at a joint using an adhesive that is non-flowable at ambient temperatures but flowable at an elevated temperature. A ring (12) of uncured, non-flowable adhesive is placed around the male end of a male (14)/female (22) pipe interface. Upon exposure to elevated temperatures, the ring (12) melts and flows down into the interface, and cures.

Abstract: A suspension member for suspending and/or driving an elevator car of an elevator system includes a plurality of tension members extending along a length of the suspension member including a plurality of fibers extending along the length of the suspension member bonded into a polymer matrix. A jacket substantially retains the plurality of tension members. The suspension member is configured to be deformed at a suspension member end to allow for installation of the suspension member end into a termination assembly of the elevator system. A method of installing a suspension member of an elevator system into a termination assembly includes deforming a suspension member end and reforming it to a selected shape, inserting the suspension member end into the termination assembly and curing and/or hardening it, and applying a load thereto or to the socket or the wedge to secure the suspension member end in the termination assembly.

Abstract: An information handling system includes a vibration source, a vibration sink, and a damping seal. The damping seal includes a top surface and a bottom surface. The top surface may be placed in physical communication with the vibration source. The bottom surface may be placed in physical communication with the vibration sink. The damping seal may be compressed in between the vibration source and the vibration sink. The compression of the damping seal in between the vibration source and the vibration sink may provide an airflow seal within the information handling system. The damping seal may be molded from a semi-rigid material to provide vibration damping from the vibration source to a vibration sensitive component of the information handling system.

Abstract: A worm gear for a worm gear system of a motor vehicle steering device may include a hub, a support element, and a gear rim. The gear rim may have a multiplicity of teeth that extend radially outward from a central encircling annular web. The support element may be a support ring that by means of an injection-molding method is injected between the gear rim and the hub. The support element may connect in a form-fitting manner the hub and the gear rim. The gear rim may include reinforcement ribs that, on both end sides, from the teeth extend radially in a direction of a worm gear longitudinal axis.

Abstract: To provide a tubular container which has non-absorbing properties with respect to contents as well as gas barrier properties. A tubular container 1 comprises at least an outlet unit 20 provided with an outlet part 21 through which contents are dispensed and a shoulder part 24 that extends radially outward from the outlet part 21; and a body part 10 that is welded to the shoulder part 24 of the outlet unit 20 and stores the contents therein, wherein the body part 10 comprises at least an innermost layer formed from a non-absorbing resin on an inner side that comes into contact with the contents, an outermost layer formed on an outermost side, and an intermediate layer formed between the innermost layer and the outermost layer and including a gas barrier layer. This tubular container 1 is characterized by a structural form wherein all surfaces coming into contact with the contents are formed from a non-absorbing resin or a structural form with a transparent body part including a gas barrier layer.

Abstract: A composite core assembly includes a composite core structure having internal material interfaces and an attachment rail coupled to the composite core structure. The attachment rail includes a first planar surface and a second planar surface adjoined with the first planar surface. The first planar surface is arranged parallel to an internal material interface plane of the composite core structure, and the first planar portion is at least partially integrated into the composite core structure in an internal material interface plane. At least a portion of the first planar surface extends beyond a perimeter surface of the composite core structure, and the second planar surface is configured to attach to the surrounding support member. The core material does not have net edge facets or flat edges positioned next to surrounding structure, and/or may not have a structure arranged parallel to the adjacent support structure to attach to the support structure.

Abstract: An insulation insert comprises a hollow cylinder formed of a closed cell foam, a first adhesive layer on a first face of the hollow cylinder, a flange of the closed cell foam extending from the hollow cylinder, and a second adhesive layer on a second face of the flange.

Abstract: A semi-pneumatic tire includes a tread portion configured to make contact with a road surface, a non-pneumatic portion coupled to an inner circumferential surface of the tread portion. The semi-pneumatic tire further includes a pneumatic portion coupled to an inner circumferential surface of the non-pneumatic portion and provided with a space into which an air is filled, and bonding layers respectively interposed between the tread portion and the non-pneumatic portion and between the non-pneumatic portion and the pneumatic portion. The non-pneumatic portion includes a band portion including an inner band coupled to an outer circumferential surface of the pneumatic portion and an outer band spaced apart from the inner band and surrounding an outer circumferential surface of the inner band, and spokes provided between the inner band and the outer band to connect the inner band and the outer band.

Abstract: We describe a method of cooling an axial flux permanent magnet machine, the machine having a stator comprising a stator housing enclosing a set of coils wound on respective stator bars and disposed circumferentially at intervals about an axis of the machine, and a rotor bearing a set of permanent magnets and mounted for rotation about said axis, and wherein said rotor and stator are spaced apart along said axis to define a gap therebetween in which magnetic flux in the machine is generally in an axial direction, the method comprising: flowing a coolant through said stator housing around said coils such that said coolant flows between said coils; and controlling said coolant flow between said coils by controlling a gap between adjacent said coils; wherein said controlling of said gap comprises: providing each of said coils with a single layer of windings over said stator bar, said layer of windings comprising a ribbon-shaped wire having a greater width across a surface of the ribbon than thickness through the

Abstract: A suspension member for suspending and/or driving an elevator car of an elevator system includes a plurality of tension members extending along a length of the suspension member including a plurality of fibers extending along the length of the suspension member bonded into a polymer matrix. A jacket substantially retains the plurality of tension members. The suspension member is configured to be deformed at a suspension member end to allow for installation of the suspension member end into a termination assembly of the elevator system. A method of installing a suspension member of an elevator system into a termination assembly includes deforming a suspension member end and reforming it to a selected shape, inserting the suspension member end into the termination assembly and curing and/or hardening it, and applying a load thereto or to the socket or the wedge to secure the suspension member end in the termination assembly.

Abstract: There are provided a holding strap, methods of making the same, and methods using such holding strap for tying down objects on a flatbed of a vehicle, retaining underground tanks, or lifting electrodes out of an electrolytic cell. The holding strap includes a chemically pre-treated strap component, an epoxy resin chemically bonded to the pre-treated strap component, and a hook component comprising a cavity that is configured and sized to receive at least a portion of the strap component, the epoxy resin being chemically bonded to internal surfaces of the cavity, so as to form the holding strap.

Abstract: The present invention discloses a new bionic lateral-line sensor. The new bionic lateral-line sensor includes a cilia cupule, a cilia base rod, IPMC film sheets, extraction electrodes, and a sensor housing. When external current acts on a free end of the cilia cupule, mechanical deformation is generated on the cilia cupule, and the mechanical deformation is transmitted to the cilia base rod, so as to cause deformation on the cilia base rod; the deformation on the cilia base rod leads to mechanical deformation on the IPMC film sheets, and the IPMC film sheets generate induced voltages by using an IPMC mechano-electric effect; and a flow rate of the external current is calculated according to the acquired induced voltages. The new bionic lateral-line sensor provided in the present invention is used for measurement of external current.

Abstract: An engine is disclosed having a starter clutch ring gear, and a crank case having an integral starter pinion accepting member defining a through bore, and a gear assembly having an exterior surface configured to engage a flywheel and an surface engaging the second of the shaft. A starter pinion shaft is disposed through the through bore. The integral starter pinion accepting member defines a surface coupled to an engine mount.

Abstract: A method for creating a termination by attaching some kind of fitting to the end of a tensile member such as a cable. The end fitting is provided with one or more internal cavities. Each cavity has a proximal portion that is adjacent to the area where the tensile member exits the fitting and a distal portion on its opposite end. A length of the tensile member's filaments is placed within this expanding cavity and infused with liquid potting compound. The method exploits the characteristic of a liquid potting compound as it transitions to a solid. Once the potting compound in at least a portion of the cavity has transitioned sufficiently to hold the filaments at a desired level, tension is placed on the tensile member and a small linear displacement may be imposed on the tensile member. This linear displacement tends to pull the filaments residing in the potting compound into better alignment and improve load sharing.

Abstract: A method for creating a termination by attaching some kind of fitting to the end of a tensile member such as a cable. The end fitting is provided with one or more internal cavities. Each cavity has a proximal portion that is adjacent to the area where the tensile member exits the fitting and a distal portion on its opposite end. A length of the tensile member's filaments is placed within this expanding cavity and infused with liquid potting compound. The method exploits the characteristic of a liquid potting compound as it transitions to a solid. Once the potting compound in at least a portion of the cavity has transitioned sufficiently to hold the filaments at a desired level, tension is placed on the tensile member and a small linear displacement may be imposed on the tensile member. This linear displacement tends to pull the filaments residing in the potting compound into better alignment and improve load sharing.

Abstract: An airframe assembly for an aircraft includes a first airframe member having first and second skins with a large cell core and a solid insert joined therebetween. The solid insert has a side surface at least a portion of which is adjacent to the large cell core. The first airframe member has a first set of openings extending through the first skin, the solid insert and the second skin. The airframe assembly also includes a second airframe member having a second set of openings operable to be aligned with the first set of openings of the first airframe member. Each of a plurality of fasteners extends through one of the openings of the first set of openings and one of the openings of the second set of openings securably coupling the first airframe member to the second airframe member.

Abstract: A high-speed ball bearing includes an outer ring, an inner ring, a plurality of balls, and a ball retainer. The ball retainer includes a plurality of pocket holes for arranging a plurality of balls, an inner circumferential surface of each of the pocket holes have a spherical surface is coaxial to the ball. A gap between an outer circumferential surface of the ball retainer and an inner circumferential surface of the ring is defined as a first gap, and a gap between the pocket hole and the corresponding ball is defined as a second gap. The first gap and the second gap have the following relationship: W2=(W1?r?)×A.

Abstract: A bicycle front sprocket assembly is basically provided with a first sprocket, a second sprocket, a sprocket carrier and a chain guiding portion. The first sprocket includes a first sprocket body and a plurality of first sprocket teeth disposed on a first outer periphery of the first sprocket body, The second sprocket includes a second sprocket body and a plurality of second sprocket teeth. The second sprocket teeth are disposed on a second outer periphery of the second sprocket body. The sprocket carrier includes a torque transmitting profile and a sprocket mounting portion. The chain guiding portion is positioned between the first and second sprockets in an axial direction parallel to a rotational center axis of the bicycle front sprocket assembly. At least one of the first and second sprockets is mounted to the sprocket mounting portion of the sprocket carrier by a non-threaded fastener.

Abstract: Disclosed herein is a module housing of a unit module including battery cells, the module housing including a first cover member and a second cover member coupled to each other for covering entire outer surfaces of the battery cells, mounting grooves formed at an inside end of at least one of the first and second cover members such that the battery cells are mounted in the respective mounting grooves, and an injection port formed at the module housing such that a thermoplastic resin is injected to interfaces between the mounting grooves and the battery cells through the injection port in a state in which the battery cells are mounted in the module housing.

Abstract: An apparatus for attaching a member to a honeycomb core-stiffened structure includes a body and one or more elements extending from the body configured to be adhesively bonded to one or more walls of a honeycomb core of the honeycomb core-stiffened structure. The apparatus further includes a fitting for attaching the member to the apparatus. A honeycomb core-stiffened structure includes a honeycomb core and an apparatus for attaching a member to the honeycomb core. The apparatus includes a body and one or more elements extending from the body configured to be adhesively bonded to one or more walls of the honeycomb core of the honeycomb core-stiffened structure. The apparatus further includes a fitting for attaching the member to the apparatus.

Abstract: The present invention relates to a method for producing a PUR/PIR foam body, comprising the steps of providing a mold adapted for applying an underpressure to the interior of the mold; introducing a reaction mixture comprising an isocyanate-reactive component A and an isocyanate B into the mold, and applying an underpressure to the interior of the mold, so the underpressure acts on the introduced reaction mixture. The underpressure is applied to the interior of the mold no later than the reaction mixture has started to set in the mold, and the isocyanate index of the reaction mixture is ?300.

Abstract: A bicycle rear sprocket assembly has a rotational center axis. The bicycle rear sprocket assembly comprises a first sprocket and a second sprocket. The first sprocket includes a first sprocket body and a first chain-engagement structure. The first sprocket body is made of a non-metallic material. The first chain-engagement structure is made of a metallic material and is configured to engage with a bicycle chain. The second sprocket includes a second sprocket body and a second chain-engagement structure. The second sprocket body is made of a non-metallic material and attached to the first sprocket body. The second chain-engagement structure is made of a metallic material and is configured to engage with the bicycle chain.

Abstract: A bicycle chainring, including a generally annular body formed of at least an inner material, the inner material including a first side and a second side opposite the first side and a plurality of teeth disposed about a periphery of the body. At least some of the plurality of teeth are formed of both the inner material and an outer material, the outer material disposed on one or both of the first and second sides, the outer material having a greater wear resistance relative to the inner material and a thickness greater than 0.1 millimeter.

Abstract: A slew drive includes a housing, a worm shaft having a worm thread carried within the housing for rotational movement and a torque tube having an outer surface. The torque tube is carried by the housing for rotational movement perpendicularly to the worm shaft and worm thread. A ring gear section having teeth is carried by the torque tube with the teeth engaging the worm threads. An inner raceway is fabricated as an integral part of the torque tube. An outer raceway is fabricated as an integral part of the housing, the outer raceway radially overlying the inner raceway, and bearing elements captured between the inner raceway and the outer raceway.

Abstract: A manufacturing apparatus for manufacturing a fixing member includes: a metal mold capable of holding a base material of the fixing member in an inside thereof; and an injecting member including a group of openings configured to inject a liquid rubber containing a needle-like filler into the metal mold in which the base material is held. The injecting member is configured so that a ratio of a total perimeter of the group of openings to a sum of a perimeter of an inner surface of the metal mold and an outer surface of the base material is 1.3 or more and 3.3 or less.

Abstract: An encapsulated electronic assembly comprises an electronic component and a foamed thermoplastic shell disposed about the electronic component. The foamed thermoplastic shell is formed from a thermoplastic encapsulant comprising a thermoplastic resin and a filler and is foamed with a foaming agent. A method of encapsulating the electronic component to form the encapsulated electronic assembly is also provided. The method includes the steps of melting the thermoplastic encapsulant, foaming the thermoplastic encapsulant, and injection molding the foamed thermoplastic encapsulant about the electronic component to form the foamed thermoplastic shell.

Abstract: Provided is a stator for a rotary electric machine, capable of reducing a space on an end surface of a stator core on an inner diameter side to reduce a size in an axial direction to realize a compact size by maintaining an insulating distance corresponding to a potential difference. In the stator for a rotary electric machine according to the present invention, a coil portion includes a coil main-body portion (21) and a second connecting wire (23). The second connecting wire (23) includes a first bent portion (24) and a second connecting-wire end portion (23A). The second connecting wire (23) is configured so that a differential value of a length z in the axial direction of the stator to a length r in the radial direction of the stator is ?z/?r?0.

Abstract: An example can include an apparatus for aiding walking along a surface. The example can include a foot to interface with the surface, the foot being rigid to resist bending during walking. The example can include a bendable puck fixed to the foot at an edge of the bendable puck. The example can include a handle coupled to a center portion of the bendable puck. In the example, the foot can be spaced apart from the handle, with the puck being elastically bendable to permit movement of the handle with respect to the foot during walking.

Abstract: A method for producing a tubular fuel cell by means of a pulling-core tool, the pulling-core tool comprising at least one tool part, which forms a cavity, and a pulling core, which can be positioned in at least two positions in the cavity.

Abstract: A bicycle sprocket assembly comprises a first sprocket, a second sprocket, a first intervening member, and a second intervening member. The first sprocket includes a first sprocket body and a first chain-engagement structure. The second sprocket includes a second sprocket body and a second chain-engagement structure. The first intervening member is positioned between the first sprocket and the second sprocket in an axial direction parallel to a rotational center axis. The second intervening member is positioned between the first sprocket and the second sprocket in the axial direction. The second intervening member is provided radially outwardly from the first intervening member with respect to the rotational center axis. The second intervening member is attached to at least one of the first sprocket and the second sprocket and has an elongated shape extending along a first reference plane perpendicular to the rotational center axis.

Abstract: A polyurethane foam which is obtained by a reaction between a diol component and a diisocyanate component, with the diol component being a mixture of a polyether-based diol and a polyester-based diol, and a pneumatic tire to which the polyurethane foam is applied are provided. When a soft polyurethane foam is produced using a mixture of a polyether-based diol and a polyester-based diol as the diol component, and by varying the content of the expanding agent during the production process, and when the polyurethane foam is disposed in the cavity of a pneumatic tire, the polyurethane foam thus produced has an effect of reducing the resonance noise generated in the cavity of the tire and improving durability of the tire.

Abstract: An electrode joint having first and second complementary elements capable of being joined together to form the joint, wherein one of the threaded elements has at least one slot at least partially along its length; and wherein one of the threaded elements includes a source of a flowable adhesive in fluid communication with the slot.

Abstract: A method is provided for producing a decorative part that has a closed cross-section having an external visible side and that has at least two support parts to be connected along a connecting joint. The support parts are held spaced at a distance from one another such that a gap is formed between the edges of the support parts which adjoin one another at the connecting joint. The support parts are inserted in at least two halves of a molding tool. A reaction plastic is injected into the molding tool, such that the reaction plastic penetrates the gap. The support parts are moved toward each other such that the gap closes while the reaction plastic is still liquid. The support parts are fixed against each other in this position at least until the plastic has sufficiently cured so as to form a bond seam in the connecting joint.

Abstract: An electrical connector, comprises: an insulative housing; a plurality of contacts received into the insulative housing and having a plurality of soldering portion extending rearwardly and beyond a rear surface of the insulative housing; a metallic shell enclosing the insulative housing; and a cover formed on a rear end of the insulative housing and the metallic shell and sealed the rear surface of the insulative housing.

Abstract: A cable passage for sealing and for electrically contacting an exhaust-gas sensor includes: a protective sleeve; and at least one connecting cable which is run out of the protective sleeve on at least one front side of the protective sleeve. At least one cross section of the space existing between the protective sleeve and the at least one connecting cable is filled with a thermoplastically workable fluoropolymer-containing material.

Abstract: Methods and apparatuses disclosed herein relate to a recyclable thermoplastic unit that includes a casing body composed of a first thermoplastic having a first melting point. The casing body also includes a first locking mechanism that is configured to mate with a second locking mechanism of a sacrifice layer. The sacrifice layer is composed of a second thermoplastic and includes the second locking mechanism. The sacrifice layer has a melting point that is greater than the melting point of the casing body.

Abstract: The present invention relates to the fabrication of multichannel nerve conduits for use in the repair of nerve injury. In particular, the invention relates to collagen multichannel nerve conduits which are suitable for use in repair of peripheral nerves.

Abstract: A softball or baseball bat with modified restitution characteristic is provided. The bat can comprise a substantially rigid core coupled with a single or multi-piece sleeve. The core can comprise a tip end, a barrel taper, a handle taper, and a handle. The sleeve can slide over the handle portion and can be pressed, molded, or adhered to the barrel taper. The resilient sleeve can be sized and shaped such that the sleeve portion is substantially the same diameter as the tip end. The sleeve can comprise a material capable of impact absorption. The sleeve can have a composite structure with inner and outer sleeve components. The sleeve can further comprise a cone to taper the sleeve in the handle taper portion of the bat. The material and thickness of the sleeve and the core can be varied to meet applicable restitution requirements.

Abstract: A caster wheel for a transportation vehicles comprises an axle assembly, a core, a polyurethane tread, and an elastomeric infill, interposed between an aluminum core and a polyurethane tread. The wheel is manufactured by a multi-stage injection molding or liquid cast process, in which the tread and core are formed separately by injection or liquid cast molding, located in a mold, whilst the elastomeric infill is molded between them. A mechanical interlock is achieved directly between the tread and the elastomeric infill of the aluminum core, whilst the core and the infill are directly mechanically and chemically bonded. The invention wheel cores have oblong slots to let the liquid cast polyurethane flow through and create a strong mechanical and chemical bond. Thus a method of manufacturing forming a relatively rigid core part, forming a ground engaging tread, and molding an elastomeric infill between the core and the tread.

Abstract: A tubular component is for a pipe system. The tubular component comprises an external shell. and an internal wear element which is attached to the inner jacket surface of the shell by a bonding mass in a first annular space formed between the outer jacket surface of the wear element and the inner jacket surface of the shell, the bonding mass being constituted by a hyperelastic bonding mass. A method is for attaching the wear element to the tubular component. Use of a hyperelastic bonding mass is for such attaching.

Abstract: A gearwheel (1) is provided with an external part (2), an insert (3), and a connecting part (4) for creating a form-fitting connection between the external part (2) and the insert (3), wherein the connecting part (4) is made from a material molded between the external part (2) and the insert (3). A method for manufacturing a gearwheel (1) is provided, in which an external part (2) and an insert (3) are form-fittingly connected to a connecting part (4), wherein the minimum of one such connecting part (4) is molded between the external part (2) and the insert (3).

Abstract: A method is presented for stably, highly, and efficiently producing a three-dimensional molded article of a fiber-reinforced composite material having a three-dimensional shape, uniform quality, and free from wrinkles by press molding a plurality of prepregs cut out in a predetermined shape and also to a molded article.

Abstract: An electrical stimulation lead includes a lead body; electrodes disposed along the distal portion of the lead body or on a paddle body coupled to the lead body; terminals disposed along the proximal portion of the lead body; and conductors coupling the terminals to the electrodes. The lead also includes a conductor guide disposed within the lead body and extending from the proximal portion of the lead body. The conductor guide defines a central lumen and a plurality of conductor lumens disposed around the central lumen. The lead further includes a stiffening agent disposed within at least one of the conductor lumens. The stiffening agent includes a) a material formed from a granular particulate material, b) a polymeric material having a durometer at least 10% greater than the durometer of the conductor guide, or c) a continuous epoxy layer within which discrete epoxy particles are also disposed.

Abstract: An endoscope flexible tube comprises: a tubular structure having flexibility; and a shell layer on an outer peripheral surface of the tubular structure, wherein the shell layer has a two-layer structure including a rigid resin layer of a rigid resin and a soft resin layer of a soft resin, and wherein the two-layer structure is maintained over the entire flexible tube in its length direction.

Abstract: A catheter assembly includes an inner liner made of flexible material and an outer layer having a steering mechanism. The steering mechanism includes at least one flat wire and a corresponding lumen through which the flat wire may travel. The steering mechanism may also include at least one pull ring to which the flat wires are attached. A layer of heat shrink material may encompass the outer layer. A braided wire assembly may also be provided in the outer layer, and may be formed by braiding a plurality of flat wires into a wire mesh. The overall cross-section of the catheter assembly is preferably substantially circular. A catheter shaft may include a plurality of segments of differing hardness characteristics. The outer layer typically comprises a melt processing polymer such that the catheter assembly may be laminated using heat.

Abstract: An insulated bearing, a dynamoelectric machine including the insulated bearing, and a method of forming the insulated bearing are disclosed. In an embodiment, the bearing includes an outer ring, an inner ring disposed within the outer ring and concentric therewith. An insulating ring is disposed between the inner ring and the outer ring, and includes an outer circumferential serration extending radially outward from an outer surface of the insulating ring, and an inner circumferential serration extending radially inward from an inner surface of the insulating ring. These serrations mate with features of respective surfaces of the outer and inner rings.

Abstract: A rotor bearing comprising at least one support disc pair, which is comprised of two support discs (40, 41, 42, 43), which are arranged in such a way that they form a wedge gap, and a spinning rotor (3) with a rotor shaft (4), which is mounted in the wedge gap. The invention is to provide a support disc bearing that is easy to produce. For this purpose, a rolling bearing (45) is arranged in the base body (44) of the support discs (40, 41, 42, 43) and the rolling bearings (45) are in each case applied on a fixed bearing bolt (50, 51, 52, 53). The invention furthermore relates to the support disc (40, 41, 42, 43) and a method for producing the support disc (40, 41, 42, 43).

Abstract: A method for producing a magnetic field sensor for use in drive train of a motor vehicle includes encapsulating an electrical assembly and an end of a connecting cable via injection molding and integrally extruding a fastening tab. After a first injection step in which the electrical assembly and the connecting cable are encapsulated in a core-type first molded part, a second injection molding step in implemented in which a fastening tab is integrally formed via injection molding on the core-type insertion part in a specifiable longitudinal and/or angular position. The core-like insertion part is held in the injection mold in a longitudinally displaceable and/or rotatable manner.

Abstract: A rail support block assembly includes a resilient member and a molded block having a top, a bottom and peripheral wall. The block is adapted for fastening one or more rails on the top. The prefabricated resilient member has an outer tray and inner tray arranged within the outer tray, and includes a resilient intermediate structure between the trays. The block is molded. The block is fixed in the inner tray to extend under the bottom of the block and along a lower region of the peripheral wall. The resilient member may form a part of the block mold, so that a mold member combined with the resilient member delimit the mold for the block. The moldable material is introduced and adheres directly to the inner tray of the prefabricated resilient member.

Abstract: The present application discloses a ceramic preform, a method of making a ceramic preform and a metal matrix composite comprising a ceramic preform. In one exemplary embodiment, the ceramic preform comprises a ceramic compound compressed into the shape of a cylinder by rotational compression molding. The cylinder has an inner surface and an outer surface. A first liner may be attached to the inner surface of the cylinder and a second liner may attached to the outer surface of the cylinder. The metal matrix composite of the present application may be formed as a brake drum or a brake disc.