Abstract: A method and a system for producing nanoparticles. The method includes obtaining a foil covered screw by wrapping a foil around an externally threaded section of an outer surface of a screw, placing the foil between an internally threaded section of an inner surface of a nut and the externally threaded section of the outer surface of the screw by screwing the foil covered screw into the nut, and grinding the foil between the internally threaded section of the inner surface of the nut and the externally threaded section of the outer surface of the screw by vibrating one of the nut and the foil covered screw along a first axis. The system includes a foil covered screw, a nut with an internally threaded section, and an ultrasound transducer. The nut and the screw are configured to grind the foil between the internally threaded section of the nut and the externally threaded section of the screw responsive to one of the nut and the screw vibrating along the first axis.

Abstract: A wheel includes a spoke having a mounting hole that extends in a radial direction, and a blind hole that extends in an axial direction and that is in spatial communication with the mounting hole. The wheel includes a rim having a second through hole that is aligned with the mounting hole. The wheel further includes a connecting unit connecting the spoke with the rim. The connecting unit includes a rod extending through the through hole into the mounting hole and having an engaging hole that is aligned with the blind hole. The connecting unit further includes a fastener extending through the blind hole into the engaging hole and engaging with the engaging hole.

Abstract: Provided are a high-strength magnesium alloy profile, a preparation process therefor and the use thereof, wherein same relate to the technical field of the formation of high-strength magnesium alloys. A strengthening phase of the high-strength magnesium alloy profile in an extrusion state mainly comprises LPSO phase and ? phase, wherein the volume fraction of LPSO phase is 1-40%; and the volume fraction of ? phase is 1-20%. A strengthening phase of the high-strength magnesium alloy profile in an aging state mainly comprises LPSO phase, ? phase, ?? phase and ?? phase, wherein the volume fraction of LPSO phase is 1-40%; the volume fraction of ? phase is 1-20%; the number density of ?? phase is 1015-1025 m?3, and the length to thickness ratio l/d thereof is 1:20; and the number density of ?? phase is 1014-1024 m?3 and the length to thickness ratio l/d thereof is 1:50.

Abstract: A bolt extender includes a bottom portion defining internal threads and a multi-sided outer surface, an upper shoulder, and a threaded rod projecting upwardly from said upper shoulder.

Abstract: A self-tapping screw for use in securing at least two materials together. The self-tapping screw may include a screw cap that receives a screw body to reinforce the strength of the screw head. The screw cap is composed of a zinc-aluminum alloy that may be die casted and provides additional strength and hardness to the attached screw body. The screw cap has a rolled flange that helps to securely retain the flat rim of the attached screw body.

Abstract: A method of shaping a bone screw with an automated device having a CNC unit includes rotating a blank coupled to a spindle about an axis defined by a coordinate system of the CNC unit, advancing a cutting tool proximally through an exterior of the blank at a speed to form a helical thread along a shaft, and reducing the speed to provide a variable, proximally decreasing pitch along at least a portion of the shaft. A first cutting tool is automatically transitioned toward disengagement from the blank when 1) a relative axial position between the first cutting tool and the blank coincides with a first coordinate of a predetermined location, and 2) a relative rotational position between the first cutting tool and the blank coincides with a second coordinate of the predetermined location. The first coordinate is along the axis, the second coordinate is an angular position about the axis, and the first and second coordinates are defined by the coordinate system.

Abstract: A cannulated bone anchor assembly includes a bone anchor, a receiver member for receiving a spinal fixation element to be coupled to the bone anchor, and a closure mechanism to fix the spinal fixation element with respect to the receiver member. The bone anchor includes a distal shaft having a first threaded section distal to a proximal head, a second threaded section distal to and adjacent the first threaded section, and a third threaded section distal to and adjacent the second threaded section. The first threaded section having a constant major and minor diameter. The second threaded section having a tapering major and minor diameter. The third threaded section having a tapering major diameter and a constant minor diameter.

Abstract: The present disclosure provides a degradable corrosion-resistant high strength and ductility magnesium alloy for biomedical use and the preparation method therefor. With regard to a total weight of the magnesium alloy of 100%, the composition of components of the magnesium alloy comprises: 1.0 to 4.5% of Nd, 0.2 to 2.0% of Zn, 0 to 1.0% of Ca, 0 to 1.0% of Zr, and balance of Mg. The magnesium alloy is prepared by producing a magnesium alloy ingot by means of vacuum semi-continuous casting and according to the components and weight percentage thereof followed by solid solution treatment and extrusion. The degradable corrosion-resistant high strength and ductility magnesium alloy for biomedical use provided by the present disclosure has the advantages of being non-toxic and fully degradable, good corrosion resistance as well as high strength and ductility etc., and can be used for preparing a vascular stent.

Abstract: A multi-component structure includes a first hybrid metal composite structure, a second hybrid metal composite structure, and a joint structure. The first and second hybrid metal composite structures include layers, each layer comprising a fiber composite material structure including a fiber material dispersed within a matrix material and at least one metal ply located between layers of the layers. The joint structure extends between and connects the first hybrid metal composite structure and the second hybrid metal composite structure. Additionally, the joint structure exerts a clamping force on the first and second hybrid metal composite structures and to reduce gaps between the layers, between the layers and the at least one metal ply, and between the joint structure and the first and second hybrid metal composite structures to less than half a thickness of the at least one metal ply.

Abstract: The invention relates to a bone screw and a method for locking a bone screw into a bore. The bore can be provided in e.g. an implant, a plate, a nail or the like. The bone screw comprises a head portion with a first axis, a proximal shaft portion with a second axis, and a distal shaft portion with a third axis. The first axis is a center axis extending in a longitudinal direction of the head portion, the second axis is a center axis extending in a longitudinal direction of the proximal shaft portion, and the third axis is a center axis extending in a longitudinal direction of the distal shaft portion. The first and third axes are aligned to each other. The second axis is displaced relative to the first and third axes.

Abstract: According to some embodiments of the invention there is provided a composite material bone screw comprising: a screw core comprising straight reinforcing fibers arranged along a longitudinal axis of the screw; a winding screw thread surrounding at least a portion of the screw core; a layer intermediate the screw core and the screw thread, the layer comprising reinforcing fibers helically wound in an opposite direction to a winding direction of the screw thread.

Abstract: A dynamic bone plate and method of bone compression are disclosed. The dynamic bone plate comprises a first bone plate component including at least one hole for receiving screws for attachment to a first bone segment and a male component and a second bone plate component including at least one hole for receiving screws for attachment to a second bone segment and a female component for mating with the male component. The male component is adjustable after mating with the female component to adjust a position of the first bone plate component with respect to the second bone plate component and the male component is locked into place with respect to the female component by at least one screw inserted through the at least one hole of the second bone plate component causing compression between the first and second bone segments to form a corrective construct.

Abstract: A pin member for a fastener includes an elongated shank having a first end, a second end opposite the first end, a cylindrical shank portion having an outer surface, a head located at the first end of the elongated shank, the head including a bearing surface located on the bearing surface of the head, and a threaded portion located at the second end of the elongated shank. Either or both of the bearing surface of the head or the outer surface of the cylindrical shank portion is coated with a coating and/or is textured. The coating may be tungsten, molybdenum, copper, or a refractory ceramic. The textured surfaces may include a surface roughness greater than 0.5 micron.

Abstract: The present invention relates to an insert bolt, and more particularly, to an insert bolt having an anti-turn function, in which one-way teeth are formed on a bottom surface of a bolt head constituting the insert bolt, such that a bolt shaft can turn only in a clockwise direction when casting concrete, thereby preventing the bolt shaft from loosening from a connecting rod.

Abstract: A grounding sleeve for grounding an electrically insulated element disposed between two metal components includes an annular body extending between a first end and a second end. At least one window is formed in the annular body between the first end and the second end.

Abstract: A seat surface of a flat head bolt and a seat surface of a front plate are in contact with each other such that a tightening axial tension acts at an axial tension action point in an axial cross-section. A normal vector is perpendicular to the seat surface of the front plate and passes through the axial tension action point in the axial cross-section. An axial tension reach point is an intersection point between the normal vector and a shoe front surface in the axial cross-section. The normal vector intersects the shoe front surface at the axial tension reach point in the axial cross-section, and the axial tension reach point is included in a range of a shoe part.

Abstract: A rivet bolt in combination with an attachment wherein the rivet bolt includes: a flange having a top surface and a bottom surface, and, a shaft having a threaded portion. An upper cylindrical portion of the rivet bolt includes an upper edge and an interior base surface having a drive head socket. The attachment receives the rivet bolt and comprises: a top surface, a bottom surface, a cylindrical bore therethrough, and an inverted frusto-conical surface extending from the top surface to the cylindrical bore. The upper cylindrical portion of the rivet bolt is deformed and rotatably and slidingly engages the inverted frusto-conical surface extending from the top surface of the attachment to the cylindrical bore therethrough. The upper cylindrical portion of the rivet bolt resides partially within the cylindrical bore. A process for making a rivet bolt in combination with an attachment is disclosed.

Abstract: A screw comprises an enlarged head; a large diameter screw rod having one end extending from the enlarged head; a small diameter screw rod having one end extending from another end of the large diameter screw rod; another end of the small diameter screw rod being formed as a tip end; a first thread extending from the large diameter screw rod and the small diameter screw rod; and the first thread extending to the tip end of the small diameter screw rod. A diameter of the first thread on the large diameter screw rod is large than that of the first thread on the small diameter screw rod. A pitch of the first thread on the large diameter screw rod is smaller than or equal to that of the first thread on the small diameter screw rod.

Abstract: A hybrid fastener comprises a composite body having a tip, and a metal sleeve surrounding and locked to the tip.

Abstract: The invention relates to a combination of a functional element having a flange section and a connection section, in particular a rivet element, and a pressure plate, in particular a pressure plate having an opening, for attachment to a component, in particular to a panel of composite material or sheet metal, wherein the functional element and the pressure plate are formed to be arranged on opposite sides of a hole of the component and are to be connected together via the connection section which extends through the hole, in particular by riveting, in order to clamp a region of the component surrounding the hole between the flange section and the pressure plate and wherein the pressure side of the pressure plate confronting the component in the attached state is provided with a means providing security against rotation.

Abstract: A fixing element for components of an assembly, comprising a rod which is formed by a cylindrical shaft and an end, the rod being a metal component which is at least partially surface-treated by means of anode oxidation and coated over at least a portion of the cylindrical shaft with a lubricating coating. Such a fixing element enables the electrical continuity to be ensured with the components during mounting with moderate interference in the assembly.

Abstract: The object of the present invention is to reduce galling that occurs at a tapered thread according to generation of excessive pressure on a tip end side of the tapered thread. In order to attain the above-mentioned object, a tapered thread according to the present invention is characterized in that it is a tapered thread comprising a taper-shaped external thread threadedly engaged with a taper-shaped internal thread formed in a member that is to be fastened, a tapered thread center hole is formed in a bottom surface of the external thread, and a depth of the tapered thread center hole is not more than a half of an axial length of the external thread.

Abstract: The invention relates to a reusable fastener designed to secure material such as promotional posters, displays, and brackets to a peg board or other backing in a retail environment. The fastener has a head designed to receive display material without removal, and includes brackets and other items as part thereof.

Abstract: A bolt includes a body and a threaded portion formed on the body. The bolt further includes a phosphate base coat, which covers at least the body and is in direct contact with the body. The bolt also includes a PTFE overcoat, which substantially covers the phosphate base coat and is separated from the body of the bolt by the phosphate base coat.

Abstract: There is provided a resin composition for a machinable liner of a sliding member. An ultraviolet curable resin composition for a self-lubricating liner contains a (meth)acrylate compound having an isocyanuric acid ring represented by the following formula and PTFE as a solid lubricant. In the formula (1), X is a group which contains an acryloyl group and is composed only of C, H, and O. Y and Z are groups each composed only of C, H, and O. PTFE is contained in an amount of 10 to 50% by weight with respect to a total amount of the ultraviolet curable resin composition. The ultraviolet curable resin composition is suitable for a self-lubricating liner 24 of a spherical bearing 20 having an outer race 22 and an inner race 26.

Abstract: A connecting rod bolt is provided for use with a connecting rod assembly. The connecting rod bolt may have a body portion having a first end, a threaded second end opposite the first end, and an outer surface extending in a length direction from the first end to the second end. The connecting rod bolt may further have a plurality of locating features having a radius aligned with the outer surface and a plurality of clearance features disposed on the outer surface between adjacent locating features, wherein a distance from a center of the body portion to an outer surface of each clearance feature is less than the radius of the plurality of locating features. The connecting rod bolt may also have a head portion connected to the first end of the body portion.

Abstract: A vehicle includes a spare wheel, a jack and a jack wrench. The jack and a jack wrench are provided to raise the vehicle to allow a user to remove a damaged wheel and replace it with the spare wheel. The jack and jack wrench are secured to the vehicle via a first connector. The spare wheel is then secured to the first connector via a second connector. The second connector extends through the spare wheel and into the first connector to secure the spare wheel to the first connector and thus to the vehicle.

Abstract: Provided are a coating agent capable of forming, on the periphery of a tapping screw, a coating layer which can hold female-thread-forming chips generated during screwing of the tapping screw into a prepared hole of a workpiece, thereby preventing scattering of the female-thread-forming chips; and a tapping screw having thereon a coating layer formed from the coating agent. The coating agent is a composition containing, as primary components, calcium montanate or a calcium-montanate-containing montanic acid species mixture, a thermoplastic resin emulsion, and water. The coating agent can form, on the periphery of a tapping screw, a coating layer which exhibits a lubricating function, and a function of capturing female-thread-forming chips.

Abstract: The invention refers to a family of fastening devices including at least two fastening elements (101, 121), each one of said elements including a shaped end portion (105), a frontal face (106) of the shaped end portion (105) having a cavity (107) extending as far as a bottom (108), the fastening elements having different maximum grips (Gmax), the family being configured so that the distance (109?) between the bottom (108) of the cavity (107) and the limit (170) between the body and the shaped end portion is identical for all the fastening elements (101, 121). The invention refers moreover to a unit (100) including such a family of fastening devices and a check gauge (150), as well as a method for checking of the choice of the length of a fastening element (101, 121), by means of the check gauge (150).

Abstract: An assembly including a plurality of parts fastened together with a flow drill screw. An indentation is formed on one side of a first part and a second part is assembled into engagement with the side of the first part with the indentation facing the second part. The flow drill screw is inserted through the indentation and material is displaced from the part into the indentation. Two or more panels or parts may be joined by aligning a flow drill screw with the indentations that are formed by embossing one or more panels.

Abstract: There are disclosed various embodiments of surgical tacks for use in surgical procedures. The tacks generally include a head and a barrel portion extending distally from the head. Preferably, the head and the barrel portion define a throughbore for receipt of a drive instrument. A thread on the head is provided to engage threads in the installation tool. A tissue thread is provided on the barrel portion to engage tissue. Distal and proximal surfaces of the tissue thread may be oriented at various angles relative to the barrel portion. There is also disclosed an insertion instrument to insert one or more tacks as well as a method of use. There is further disclosed a model device for use in explaining the operation of the instrument.

Abstract: An anchor for securing a threaded rod to a concrete structural element has a generally tapered conical or spherical body element configured to be seated within the concrete structural element. The anchor further includes a threaded bore extending through the body element. The threaded bore engages the threads of the rod in order to secure the rod to the concrete structural element. The body element has a generally planar top face having a top face diameter, as well as a generally planar bottom face having a bottom face diameter. Formed between the top face and the bottom face is a side wall such that the body element is formed with a taper. The taper is inserted into a complementary recess formed within the concrete structural element.

Abstract: There are disclosed various embodiments of surgical tacks for use in surgical procedures. The tacks generally include a head and a barrel portion extending distally from the head. Preferably, the head and the barrel portion define a throughbore for receipt of a drive instrument. A thread on the head is provided to engage threads in the installation tool. A tissue thread is provided on the barrel portion to engage tissue. Distal and proximal surfaces of the tissue thread may be oriented at various angles relative to the barrel portion. There is also disclosed an insertion instrument to insert one or more tacks as well as a method of use. There is further disclosed a model device for use in explaining the operation of the instrument.

Abstract: A steel wire for high-strength bolts is used for a non heat-treatment bolt with an excellent cold forgeability for which quenching and tempering steps have been omitted after bolt formation, and which has a tensile strength of 1200 MPa or more and an excellent delayed fracture resistance. The steel wire includes C, Si, Mn, P, S, Cr, Al, N, and B, at least one selected from the group consisting of Ti, V, and Nb with the balance consisting of iron and inevitable impurities. The steel wire has a microstructure wherein ferrite and perlite have a total area rate of 98% or more, perlite lamellar spacing is 250 nm or less, and an area rate of the perlite is more than 40%, and 80% or less. The steel wire has a tensile strength of 1300 MPa or less.

Abstract: A control rod for incorporation into a composite assembly comprising at least a first preform, a second preform, and a cured resin includes a shaft defining an axis, wherein the shaft is disposable within an aperture in the composite assembly and a plurality of threads disposed helically on at least a portion of the shaft. Dry fibers from the first preform and second preform are forced into the threads of the control rod.

Abstract: A system for attaching an article of hardware to another article made of wood, particle board, plastic or fiberglass. The article of hardware is provided with at least one through hole and the article of hardware is fixed to the other article by a screw that extends through a through hole into the article of hardware. A head of the screw is fixed to the article of hardware by threads located on a tapered shank of the screw.

Abstract: A filler plug is configured such that: a head portion is formed on an upper end of an external thread; a sealing portion formed at the head portion strongly contacts a funnel-shaped inclined inner peripheral surface formed at one end of an internal thread of a hydraulic device oil passage by tightening the external thread with respect to the internal thread; an upper peripheral surface of the sealing portion is tapered; a circular constricted portion is formed between the sealing portion and the upper end of the external thread; and a dimensionless value of a head portion height H1 from an upper surface of the head portion to the sealing portion, that is, a dimensionless value obtained by dividing the head portion height H1 by a nominal designation value of the external thread portion, ranges from 0.4 to 0.7.

Abstract: A fixing assembly for use on an object which is to be attached to or detachable from another object includes a main body defining a through hole, a fixing member mounted to the through hole, and two limiting members secured to the main body and arranged at opposite sides of the through hole. When the fixing member is mounted to the through hole, the limiting members limit and hold captive the fixing member to prevent from falling off or displacement of the fixing member when not being used for attachment purposes. A heat sink using the fixing assembly is also provided.

Abstract: The present invention provides a compensator assembly for use in a motorcycle. The compensator assembly includes an input member, and an output member driven by the input member through a torque-buffering interface. The compensator assembly also includes one or more lubrication passageways formed therein extending between a distal end and one or more interfaces to provide lubricant thereto.

Abstract: Described in this application is a dual purpose hanger fastener for supporting a fixture, such as a pipe fixture, or the like to a building structure. The hanger fastener includes a threaded shank forming a first end portion and a head forming a second end portion where the head has both a cross-thread opening and an axial opening. The threaded shank is adapted to engage the structure and the head is adapted to receive a support member to support a pipe fixture or the like. For supporting the fixture, the head includes a cross-thread opening and an axial opening with the axial opening extending into the head to not less than one-thirty-second inch from the cross-thread opening. Both of the cross-thread and axial openings of the head of the hanger fastener are adapted to receive and engage the support member to support the pipe fixture or the like at the users option.

Abstract: An anchoring harpoon intended in particular for an aircraft, capable of cooperating with an anchoring grate of a platform, includes jack elements including a cylinder element containing mobile piston elements provided with a rod that extends beyond the cylinder element, the free end of which includes a harpoon head (7) that is hooked in the grate and includes retaining fingers (8, 13, 14) that can be moved between a retracted position and an active position by control elements (9). The control element (9) for controlling the movements of the fingers include a control piston (18) which can slide inside the rod of the jack and which is associated with a bistable actuator (19) of the fingers, capable of moving between a retracted position and an active position in which the fingers are deployed with the application of successive pressure pulses in the jack elements.

Abstract: One variation may include a product comprising a stud assembly including a stud comprising a first metal and an insulator attached to the stud. Another variation may include a method comprising providing a stud assembly and an appliqué, wherein stud assembly comprises a stud comprising a first metal and an insulator attached to the stud, the appliqué comprising a second metal; attaching the appliqué to the stud assembly so that the insulator isolates the first metal from the second metal of the appliqué.

Abstract: A screw has an outer diameter in a range of 0.3 mm to 1.4 mm. The screw includes resin and carbon fiber which is dispersed in the resin and has a fiber diameter in a range of 0.01 ?m to 0.20 ?m.

Abstract: A machine tool device, particularly a hand-held machine tool device, includes at least one screw that is configured to secure at least one metal component to at least one additional component in a form-fitting manner. The machine tool further includes an electrical insulating unit that is configured to prevent the conduction of current at least between the metal component and the screw.

Abstract: A fastener is provided. In another aspect, a fastener is made of layers of material, a light curable material and/or multiple built-up materials. Another aspect uses a three-dimensional printing machine to emit material from an ink jet printing head to build up a fastener.

Abstract: A modular system for manufacturing structures for machine, special machine and plant construction comprises a plurality of components which are of elongate form and which each have at least two orifices, wherein two components can be connected to one another in a play-free manner by means of a connecting element (1000). This permits the construction of particularly solid and precise structures by which machine elements in machine construction, special machine construction and plant construction can be joined together.

Abstract: A ceramic matrix composite (CMC) and metal attachment configuration is provided. The CMC and metal attachment may include a metal plate, a CMC plate, a spacer, a metal bolt and a nut. Metal plate may include metal plate aperture. CMC plate may be adjacent metal plate and may include CMC plate aperture aligned with metal plate aperture. Spacer may be adjacent to CMC, and spacer may include spacer aperture aligned with metal plate and CMC apertures. Metal bolt may have first and second ends, second end may be operable to fit into aligned spacer, CMC plate, and metal apertures, to attach spacer, CMC plate and metal plate. Nut may be adjacent to metal plate and may be operable to receive second end of bolt. Spacer may allow metal plate, having a high coefficient of thermal expansion, to be attached to CMC plate, having a low coefficient of thermal expansion.

Abstract: Embodiments relates to a fastener having a head portion and an interlock portion comprising a bulk solidifying amorphous alloy comprising a metal alloy. The fastener could further have a screw portion. Other embodiments relate to methods of making and using the fasteners.

Abstract: Systems and methods for mechanically coupling multiple components using captured threaded connectors are provided. The attachment points between components are aligned along a common central axis about which the channels are aligned. Threaded connectors are provided and contained within a pocket within each component, prior to assembly of the system. As a result, components of the system can be detached without disassembly of other components, or without the use of special thread patterns to allow clearance for the driver for the head of each. Threaded connectors are kept from falling out and are also allowed to float along their axis within the channel so that components can be aligned first, and then anchored together. Drivers used to couple components have a diameter smaller than the channel.

Abstract: A variable angle locking screw comprising a head portion having helical threads, the head portion including a first section having a shape that is substantially spherical and a tapered second section having a shape that is substantially conical, and an elongated threaded shaft portion extending from the head portion.