Abstract: A blind rivet assembly is provided. In another aspect, a blind rivet has ends that are received within countersinks in one or more workpieces and a mandrel head is completely pulled through the rivet without being severed from a mandrel stem. A further aspect includes a mandrel with an outwardly tapering shoulder.

Abstract: A mechanical fastener having improved friction and torsional resistance is provided. The mechanical fasteners can be made using a cold heading process with modified dies abutting the underside of the flange of a mechanical fastener to provide a corrugated or abrasive contact surface.

Abstract: Disclosed herein is a connection means 58 made from metal, and in particular Al, Mg, Cu or Ti, or an alloy comprising one or more thereof. The connection means 58 is made from a compound material of said metal reinforced by nanoparticles, in particular CNT, wherein the reinforced metal has a microstructure comprising metal crystallites at least partly separated by said nanoparticles.

Abstract: A pin joint assembly is disclosed that includes a pin, a collar configured to engage the pin, and a plate defining holes through which the plate may be fastened to the collar and to a frame of a machine on which the assembly is mounted.

Abstract: A setting tool having an engagement structure for setting a fastening anchor comprising a receptacle structure implemented in a shaft, the engagement structure engaging with the receptacle structure during a setting procedure. The fastening anchor can thereby be reliably brought to the setting tool and applied in a yielding soft material.

Abstract: Self-tapping blind rivet (10) having a mandrel (12) carrying a hole-forming tip (16) at its end facing the workpiece, wherein the tip (16) is performed as an apparatus for drilling the rivet's own placing hole, wherein a positive or non-positive connection is provided between the mandrel (12) of the rivet and the rivet shank (18) and, wherein a force application point (26) for a tool is provided at or in the rivet head (20), and a method for placing such a blind rivet.

Abstract: A bolt and receiver are provided to securely attach a device (e.g. light reflector or a lane marker) to a surface (such as a roadway). In addition to initially attaching the device to the surface, the bolt will nest progressively within the receiver as the surface thickness erodes or deteriorates over time, thus reducing the bolt's effective overall length (and thus the bolt's height above the surface), in order not to protrude and puncture or damage tires.

Abstract: A blind rivet 200 comprises a mandrel 214 having a deformable mandrel head 218 such that when the blind rivet is received in a pair of aligned apertures of dissimilar sizes in a pair of components 220, 222 to be joined, the mandrel head is adapted to be deformed and cause deformation of a rivet body 202 such that the blind rivet engages the inner surfaces defined by both of the apertures before the mandrel and its head are pulled free of the rivet body.

Abstract: The invention relates to a functional element in the form of a press-in element for attachment to a sheet metal part, wherein the functional element has a head part and a shaft part, the head part has a ring-shaped sheet metal contact surface at the side adjacent the shaft part and a ring-shaped axial recess inside this ring-shaped sheet metal contact surface and surrounding the shaft part at the transition from the head part into the shaft part. In accordance with the invention the shaft part has a plurality of circumferentially distributed radial recesses extending in the axial direction and between these noses which likewise extend axially and project radially, wherein raised material portions are present at the positions of the radial recesses at their axial ends adjacent the head part and form undercuts with the head part in the region of the ring-shaped recess.

Abstract: A ballistic resistant bolt to be used in securing straps on a military combat helmet is provided, the bolt having a bolt head and a shaft extending from the underside surface of the bolt head. The bolt head has a generally circular shape and a side surface. The shaft has a bore extending from the end opposite the bolt head. The ratio of the diameter of the bolt head to the diameter of the shaft is approximately 1.65 to 1. The ratio of the diameter of the bolt head to the height of the side surface is approximately 11 to 1. The proportion of the diameter of the bore measured relative to the diameter of the shaft is between approximately 50% and approximately 73%. Also provided is a means for rotationally engaging the bolt head.

Abstract: A push rivet is molded in a shape to be difficult for a foreign material to enter into an inside when an attached member is fixed, and includes a rivet main body and a pin. The rivet main body includes at least a flange portion having an insertion hole, a connected leg portion in which a pair of legs projecting toward an end side from the flange portion is mutually connected in the end side, protection pieces provided to protrude toward a space between a pair of legs from a pair of legs in the connected leg portion to protect the foreign material from entering, at least a pair of split leg portions projecting toward the end side from the flange portion to form slits between the split leg portions and the connected leg portion, and bulging-out portions projecting toward an inside direction of the connected leg portion and the split leg portions, and having tapered surfaces inclining inward as the tapered surfaces head for ends.

Abstract: The blind rivet for fastening together a plurality of mounted components with mounting holes comprises a rivet body having a sleeve, a flange and a through hole; a mandrel having a slender stem and a head; and a washer. The head of the mandrel is adjacent to the sleeve-side end portion of the rivet body, the stem of the mandrel extends through the rivet body from the flange-side end portion, and the washer is mounted near the flange on the outer periphery of the sleeve of the rivet body. A portion of the outer peripheral surface of the sleeve adjacent to the flange is swaged to form a recessed portion so that the diameter in the other position is enlarged. The washer is pushed onto the enlarged-diameter portion and secured. The mounted components are fastened together between the enlarged end portion of the sleeve and the washer.

Abstract: A one piece fastener made from high strength steel for securing a work piece to a metal substrate and including an elongated substantially flat body defining a void extending substantially along the length of the body, a crown at one end of the body formed by substantially symmetrical halves extending outwardly from the flat body and formed integrally therewith. A gripping and clamping member is disposed within the void in the elongated body and is affixed at each end thereof to the body and defines at least first and second teeth extending outwardly therefrom, the gripping and clamping member being rotated. A piercing tip formed at the opposite end of the elongated body for generating an opening through the work piece and the metal substrate, the piercing tip formed from a plurality of incrementally wider steps progressing from the tip toward the width of the body.

Abstract: A blind rivet assembly is provided. In another aspect of the present invention, a blind rivet has ends that are received within countersinks in one or more workpieces and a mandrel head is completely pulled through the rivet without being severed from a mandrel stem. A further aspect of the present invention includes a mandrel with one or more ribs located on an outwardly tapering shoulder.

Abstract: The Butterfly Push-Pull Pin (also referred to as a force advantageous push-pull pin in this application) is a practical fastener used to support penetrable (pierceable) materials on supporting material such as a bulletin board, notice board, tack board, wall or other element penetrable by a push (driven) pin. In the Butterfly Push-Pull Pin, two broad, sloped, opposing sides of a polygonal handle are grasped to push the pin in. Two other broad, sloped, opposing sides of the polygonal handle are used to pull the pin out.

Abstract: A wire mesh rivet (13) is provided which is used to produce a wire mesh isolator (11) in a bore (9) of a substrate such as a heat shield (7) for a vehicle exhaust system. The rivet (13) comprises a unitary wire mesh structure (19) which has a collar (15) and a shank (17). The collar (15) has a higher density than the shank (17), e.g., the collar (15) has the density of the finished isolator (11). The rivet (13) is formed into the finished isolator (11) by compressing the shank (17) to form a second collar, while restraining the original collar (15) from substantially changing its shape. The rivet (13) can include a metal insert (23) which prevents the wire mesh of the finished isolator (11) from experiencing high levels of compression when the substrate is fastened to its supporting structure.

Abstract: A coupling pin for use in a pump housing, the pump housing including an outer casing and an inner pump liner, the coupling pin being suitable for locating the liner and casing relative to one another, the coupling pin including a shank and a head at one end of the shank. The head includes a cammed surface thereon which is adapted to co-operate with a follower on the liner, and a locating section on a remote or terminal end of the head which is adapted to be positioned against a seat in the outer casing when fitted. The arrangement is such that rotation of the coupling pin causes the follower to track along the cammed surface so as to cause relative movement between the outer casing and the inner pump liner.

Abstract: An exemplary locking assembly includes a locking member and a sleeve. The locking member includes a locking portion, a neck portion, and a head portion. One end of the neck portion is connected to the head portion, and another end of the neck portion is connected to the locking portion. An outer diameter of the locking portion is larger than that of the neck portion. An outer diameter of the locking portion is larger than that of the neck portion. The sleeve defines a through hole therein for holding and guiding the locking member. The through hole includes a first part. The sleeve further includes a restricting portion extending out from an inner surface of the through hole adjoining the first part of the through hole. After locking portion of the locking member passes through the restricting portion of the sleeve, the restricting portion blocks the locking portion from sliding out of the sleeve.

Abstract: A welding stud includes a shank and a head flange, which projects radially relative to the shank and whose outer circumference is of polygonal design in order to be able to apply a test torque (T) to the stud by means of a tool. The flange includes an annular section (16) whose front facing and radially extending annular surface is designed as a welding surface. The annular section directly adjoins the flange, and the annular section and the flange form a head section which has a uniform outside diameter (D) throughout, and wherein the polygonal shape of the flange extends over the annular section up to its front annular surface.

Abstract: An anti-kickback saw chain including a plurality of links each having an upstream end and a downstream end relative to a direction of travel of the chain is provided. The anti-kickback saw chain comprises a holding link having a first side and a second side, a replaceable tooth adapted to be removably mounted on the downstream end of the holding link, and a safety drive link. The upstream end of the safety drive link is pivotally connected to the downstream end of the first side of the holding link. The safety drive link includes a safety lobe effective to prevent the tooth from being dislodged from the holding link during chain travel, and a substantially flat upper edge.

Abstract: The joint is at first made through bolts (1) that have a threaded end section (3) coupled to a nut element (4) settled on the inner face of the support structure (5). It is characterized in that the heads of the bolts (1) comprise an annular extension (10) that has a lower flat face (13) settled on an area (11) also flat of the outer free face of the panels (6), the bolts (1) contacting with the panels (6) exclusively through said annular extension (10), existing in this contact at least one sliding surface with low or zero friction coefficient. With the new system of the invention the use of inlayed washers as conventionally occurs is prevented, while the thickness of the panels can be reduced, achieving a significant saving as for weight and costs.

Abstract: Disclosed herein is a novel pivot pin assembly 410, 420 430, 600 for pivotally attaching nozzle tips 200 to stationary nozzles in a solid fuel furnace. The pivot pin assemblies allow rapid replacement of the nozzle tips 200. The pivot pin assembly 410, 420 430, 600 employs fasteners that or recessed or have an aerodynamically shaped head 610. The head 610 includes a leading edge 613 and optionally a trailing edge 615 that are aerodynamically shaped to reduce corrosion and erosion. The pivot pin assembly pivotally attaches the nozzle tip 200 to the stationary nozzle 110. It employs fasteners that are accessible from a furnace side through a central opening of the nozzle tip 200. This allows removal of the nozzle tip 200 from inside the furnace greatly simplifying nozzle tip 200 replacement.

Abstract: A top cap is provided for a bicycle handlebar stem. The top cap includes a cap body, which has a lower portion forming a fitting cylinder of a reduced diameter and a radially expanding circumferential shoulder atop the fitting cylinder. A barrel extends from a bottom of the fitting cylinder. The barrel forms a downward-facing hollow blind hole. The cap body forms a bolt head hole extending therethrough and coaxial with and communicating the blind hole. The barrel forms slits, which define a tightening section.

Abstract: A fastener is configured for securing a lath to a surface for, for example, the application of stucco to the surface. The fastener includes a fastener having a head, a shank and a penetrating tip. The head has a diameter and the shank has a diameter less than the head diameter. The stucco fastener has a sealing/spacer assembly having spacer element and a sealing element. The spacer element is formed from a relatively incompressible material and has a diameter greater than the shank diameter. The spacer element has a bore therein having a diameter about equal to the shank diameter. The sealing element is formed from a resilient, water-resistant material and is positioned adjacent to and in contact with the spacer element. When the fastener is driven into the surface, the fastener penetrates the surface to secure the fastener to the surface and a portion of the lath is captured between the head of the fastener and the spacer element to space the lath from the surface.

Abstract: A downhole tool includes a cutter rotatably mounted to a journal. The journal is fastened to a downhole tool frame with a fastener. The fastener is engaged by an insert and retainer so it is restricted from rotating. The insert extends over a head of the fastener, and the retainer extends over the insert.

Abstract: A method for producing a fastening device, in which a head part and a shaft part are joined, is disclosed.

Abstract: The invention proposes a blind fastening element, which is constructed similarly to a screw. The fastening element thus has a head (1), which is disposed on one end of the shaft (3) and has a contact surface, which faces toward the shaft, for contact on the object to be fastened. On the opposite front end, the fastening element has a punch face (7), which runs approximately transversely to the longitudinal axis and is enclosed by a closed punch edge (8). The diameter of said punch face is less than the diameter of the shaft, for example, the diameter is in the range of approximately 70% to 30% of the diameter of the shaft. The shaft itself may be smooth on its exterior, if the fastening element is to be used as a blind rivet, or may have a thread (9), however, if the fastening element is to be fastened after the punch procedure by rotating.

Abstract: A securing element includes a head section and a shank. The cross-section of the shank changes in the axial direction in such a way that, by taking into account a qualitative and/or quantitative predetermined bending torque profile in the shank, the cross-section has a substantially uniform bending stress profile in the shank in relation to a securing element with a constant shank cross-section. An exhaust gas turbocharger having variable turbine geometry includes a VTG-guide vane configuration having at least one such securing element and being secured to a housing component of the exhaust gas turbocharger.

Abstract: A motor vehicle car body framing apparatus for use at a welding station, the apparatus including a gate having a frame structure and a plurality of tooling members carried by the frame structure for use in positioning components of the vehicle body at the welding station for welding. The tooling members are mounted on the frame structure by a plurality of mounting brackets. Each mounting bracket includes a base member mounted on the frame structure and a riser mounted on the base and mounting a respective tooling member. The riser is fixedly mounted on the base by a single central fastener bolt which may include a reduced diameter portion sized to breakaway in response to predetermined impact against the riser. The interface between the riser and the base comprises a plurality of contact points arranged in concentric relation with respect to the fastener bolt.

Abstract: The present invention discloses a bathroom cabinet including two first extruded strips and two second extruded strips enclosed to form a frame. The two first extruded strips and the second extruded strip include opposite slots for embedding a back panel, and through holes are disposed on both ends of the two first extruded strips, and corresponding rails are protruded from surfaces of the two second extruded strips for passing fasteners through the through holes of the two first extruded strips and locking the fasteners into the rails of the two second extruded strips respectively, such that the extruded strips can be adjusted to a required size according to a user's need, and the invention can enhance the structural strength of the bathroom cabinet.

Abstract: The theft-protected screw part in the form of a nut or a screw has a free end region and a ring-shaped depression formed at the end region for the engagement of a wrench for rotation the screw part. Viewed from radially outside to radially inside, the depression is delimited by an outer edge, a bottom and an inner edge. The outer edge forms outer abutment surfaces and the inner edge forms inner abutment surfaces for the wrench. The screw part is composed of a main part and an insert. The main part has a protrusion, which is located within the inner edge. The insert is designed in a ring shape, has a hole for accommodating the protrusion and forms the inner abutment surfaces.

Abstract: An annular sealing device is provided that includes a composite material having a substantially rigid substrate with both a first major surface and a second major surface, and also of a shape where the substantially rigid substrate is configured to extend out of a plane parallel to a sealing surface at an angle. The annular sealing device also includes a polymer layer overlying at least one of the first major surface and the second major surface.

Abstract: A blind fastener is provided comprising a core bolt comprised of a bolt shaft and a bolt head. A metal sleeve is included comprising a rigid cylindrical base and a malleable cylindrical tail, the metal sleeve is positioned around the bolt shaft with the malleable cylindrical tail in communication with the bolt head. A travel stop feature is formed on the rigid cylindrical base opposite the malleable cylindrical tail. A drive feature includes a threaded bolt section extending from a foot end of the bolt shaft and a drive nut rotatably thereto. The drive nut allows the core bolt to be pulled within the metal sleeve such that the bolt head compresses the malleable cylindrical tail to form a retention button.

Abstract: A receiving element which can be introduced into a borehole of at least one component includes a bolt presenting an outer surface that is approximately parallel and advantageously coaxial to a longitudinal axis of the bolt. The receiving element requires few materials and can therefore be produced at a low constructional cost while being provided with high dimensional stability and positioning accuracy. The bold includes an abrasion-resistant sintered material, and a metal tip provided on the front end of the shaft. The end part of the tip is engageable in a recess of the bolt, and there is a direct connection between the end part and the recess in the connection region on the front end of the bolt.

Abstract: A blind rivet assembly is provided. In another aspect of the present invention, a blind rivet has ends that are received within countersinks in one or more workpieces and a mandrel head is completely pulled through the rivet without being severed from a mandrel stem. A further aspect of the present invention includes a mandrel with one or more ribs located on an outwardly tapering shoulder.

Abstract: Self-tapping blind rivet (10) having a mandrel (12) carrying a hole-forming tip (16) at its end facing the workpiece, wherein the tip (16) is performed as an apparatus for drilling the rivet's own placing hole, wherein a positive or non-positive connection is provided between the mandrel (12) of the rivet and the rivet shank (18) and, wherein a force application point (26) for a tool is provided at or in the rivet head (20), and a method for placing such a blind rivet.

Abstract: A double-T stud with ring flanges at each end, for joining onto a workpiece surface. The stud including a joining portion and a head portion located at opposite ends of a shank. The head and joining portions formed as identical annular flanges with diameters greater than the shank portion. The stud is axially symmetrically in relation to a plane extending transverse to the shank.

Abstract: A blind rivet is provided that is operable for insertion into a workpiece. The blind rivet can include a body portion having a first end and second end. The body portion can include a radial flange formed at the first end and can define a bore extending through the body portion. The rivet can include a mandrel with a mandrel head operable to engage the second end of the body portion. The mandrel head can be larger than the bore and can be coupled to a stem. The stem can be configured to pass through the bore and the flange to enable the body portion to engage the workpiece. The radial flange can also include a plurality of bearing surfaces adapted to be coupled to at least one tool for receipt of a predetermined torsional load at the radial flange to cause failure of the body portion.

Abstract: A fastening clip comprises: a body (1) made of a relatively rigid molded plastic material and provided with a head (2), a foot (3) and a flange (4) that is disposed at the junction between the head and the foot, and a sealing washer (5) made of a second, relatively flexible molded plastic material and fastened to the periphery of the flange. The washer is fastened to the flange by a cohesive chemical bond resulting from fusion between the first plastic material and the second plastic material during the molding process.

Abstract: A fastening assembly includes a housing, a press, and a sealant material located in a chamber formed between surfaces of the housing and the press. The fastening assembly may be used to install cladding to a structure.

Abstract: A drawing pin having functionality of drawing back automatically is provided, which includes a containing portion and a pin portion. The pin portion is disposed in the containing portion when the pin portion is at a first location, and an appropriate part of the pin portion is exposed outside the containing portion when the pin portion is at a second location. The containing portion provides a resilient force that enables the pin portion to draw back from the second location to the first location automatically when the pin portion moves from the first location to the second location.

Abstract: A connector insert is installed into two panels, one non-metallic and one metal, effectively locking them together and finishing flush with the surfaces of each panel. Both sheets have aligned apertures through which the connector is installed. The connector is a clinch-type fastener including a shank having a displacer head at one end and an endface at the opposite end, the head having a planar top surface and being the largest diameter of the fastener. An undercut groove is located on the shank immediately below the head and a plurality of axially-extending broaching teeth on the shank are located immediately below the undercut groove. The diameter of the broaching teeth is greater than the diameter of the undercut groove but less than the diameter of the head. At the end of the shank is a planar endface immediately below the broaching portion.

Abstract: A method of connecting a metallic bolt to a plastic work piece is shown and described. The object to provide a method which makes possible a reliable connection between metal workpieces on the one hand and plastic workpieces on the other hand is achieved in that a first plastic work piece and a metallic bolt are provided, and in that the bolt is pressed into a surface of the first plastic workpiece, the bolt being rotated during the pressing-in, and the rotational speed of the bolt being selected in such a way that the first plastic workpiece is plasticized, so that the bolt is anchored in the first plastic workpiece in a positive-locking manner after the rotation is stopped.

Abstract: A fastener, of which severe strength is demanded and which can also be applied to a location, in which a flush surface equipment is taken into consideration, and which can be manufactured readily and quickly and reduced in manufacturing cost, is provided. A fastener (1) joins a skin of an airplane and a structural material positioned inside the skin and one end surface of a flush head (3) is covered by an insulator layer (5).

Abstract: A method for making composite fasteners includes the provision of a mold containing an elongated cavity having a long axis and the shape of the fastener body, an elongated insert comprising a plurality of long, interwoven or intermingled first reinforcing fibers, and a hardenable liquid matrix that may include a plurality of short, second reinforcing fibers suspended therein. The insert is placed in the cavity such that the long reinforcing fibers are disposed generally parallel to the long axis of the cavity. The mold cavity is then filled with the liquid matrix such that the short reinforcing fibers are distributed generally uniformly throughout the mold cavity, and the liquid matrix of the suspension is then hardened so as to form a hardened fastener body encapsulating the first and second reinforcing fibers. The molded fastener is then removed from the mold, either for immediate use or for subsequent processing.

Abstract: A method of installing fastening elements, and rivetless fasteners for use with the method. Rivetless nutplate fasteners are installed in metal structures by providing flush fit barrel shaped plug or bushing portions in a hole in the structure as defined by an edge wall. The barrel portion is acted upon axially, and expanded radially outward toward the edge wall of the hole, to provide an interference fit. The ends of the barrel portion are machined as desired for flushness. Also, a hole is installed as necessary. Rivetless nutplates are easily installed, and the installation enhances fatigue life of the hole surrounding the barrel of the nutplate.

Abstract: A method of mounting a removable component to a mounting structure, comprising aligning an opening in the removable component with an opening in a mounting structure; aligning a toolless mechanical fastener with at least one of the openings; inserting a portion of the toolless mechanical fastener device through the opening in the removable component and the opening the mounting structure, contacting a head of the toolless mechanical fastener with an outer surface of the removable component; rotating the toolless mechanical fastener in a predetermined direction to a coupling position at some angle relative to its insertion position, contacting portions of the base of the toolless mechanical fastener with an inner surface of the mounting structure, and deforming at least a portion of the base to couple the removable component to the removable component between the head and the base of the mechanical fastener.

Abstract: A connector includes a body having a first portion and a second portion integrally formed with the first portion. The first portion has a first hardness and the second portion has a second different hardness. In an embodiment, the first portion has a first hardness of at least 40 Rockwell C and the second portion has a second hardness that is less than the first hardness. In another embodiment, the second portion has a hardness of 30 Rockwell C or less and the first portion has a greater hardness than the hardness of the second portion. The connector is made using a method including the steps of forming a body having first and second portions, and induction hardening the first portion to a hardness of at least 40 Rockwell C or the second portion to a hardness of 30 Rockwell C or less.

Abstract: A mattress includes a plurality of individual foam blocks which are secured together using one or more plastic fasteners to form a five-sided foam encasement. A spring unit is fittingly disposed within an interior cavity defined by the foam encasement. One or more top layers of foam rubber are mounted on the foam encasement over the spring unit and are secured thereto using additional plastic fasteners. An outer layer of quilted cotton material is sewn over the foam encasement and top layers of foam rubber to yield the finished one-piece mattress. As can be appreciated, the outer periphery of the mattress is defined by foam material, which is substantially rigid in its construction, rather than the spring unit, which is highly susceptible to warping. In this manner, the foam material serves to preserve the shape of the outer periphery of the mattress over time.

Abstract: A method is provided for attaching a fastener to the inside wall of a member. The fastener may be a bolt or a nut having a shank and a shaped head with head portions radiating from the shank. A hole is made in the member and has a shape closely corresponding to the shape of the head. The head of the fastener is inserted into the shaped hole and the fastener is reoriented so that the head engages with the inside walls of the member and therefore the fastener cannot be withdrawn. Electric current is applied to the fastener and the member to bond the head to the inside wall of the member either by heat curing an adhesive coating the head or by creating an electric resistance projection weld between the fastener head and the member.