Abstract: The invention provides a reusable linkage which has a coupling which coupling has one or more male connectors formed from two or more compressible leaves; and/or one or more female connectors wherein each female connector is shaped to receive a male connector; wherein the compressible leaves of the male connector are shaped to resiliently engage the female connector and wherein the leaves of the male connector are compressible such that a male connector can be removed from a female connector.

Abstract: A process for making a jewelry article, which envisages to carry out several ornamental wires, each made of an internal core covered with an external strip in a precious material. The ornamental wires are then wound around the elongated support to form a cord of ornamental wires. Then the elongated support is removed from the cord, and the internal core of each ornamental wire is removed from the corresponding external strip, in order to obtain a lightened jewelry article.

Abstract: A track link for a ground-engaging track system includes an elongate link body having an upper rail surface located in part upon each of a first link strap, a second link strap, and a middle section of the track link. The upper rail surface is formed by a wear band of sacrificial wear material having a hardness that is varied lengthwise along the upper rail surface to retard scalloping of the track link during service and forming relatively softer zones in the first and second link straps and a relatively harder zone within the middle section. Methodology for making such a track link is also disclosed.

Abstract: Chain links and a conveyor chain that is highly resilient, in a tensile direction, for a moving walkway, an escalator or a lift. A chain link can include two chain link connector receiving regions arranged at opposing ends for receiving a chain link connector, which mechanically connects two neighboring chain links to one another in such a way that a tensile force can be transmitted therebetween. The chain link can also include a loop closed in a ring shape and surrounding the two chain link connector receiving regions. The loop can be formed with a fiber composite material. The fiber composite material is preferably in the form of a loop-like closed band, in which fibers, such as carbon fibers that can be subjected to high levels of tension, are embedded in an elastomer-matrix material.

Abstract: Embodiments herein provide a high stability saw chain comprising a first drive link including a first mating surface; a second drive link including a second mating surface; a first tie strap coupling the first drive link to the second drive link; wherein the first mating surface of the first drive link is configured to contact the second mating surface of the second drive link when the first and second drive links traverse an elongate portion of a guide bar to prevent reverse articulation of the saw chain less than a minimum radius of 20 inches.

Abstract: An electrically conductive structural connection employs a pass through or fastener having a first diameter. A fastener hole, with a second diameter larger than the diameter of the pass through, extends through a thickness of a structure and receives the pass through. A bushing having a diameter and a thickness to fit between the first and second diameters extends though and past the thickness of said structure. When the feedthrough is compressively secured to the structure, the bushing expands radially between the first diameter and the second diameter to maintain at least one contact point between the fastener and the structure.

Abstract: Hollow ornaments in the form of closed links with ornamental and functional openings for producing rings, earrings, pendant bangles necklaces or bracelets and in the form of continuous array of closed links with functional and ornamental openings, which are joint free; and process for producing them.

Abstract: A method for producing high-performance chain link plates with a link plate pitch T, comprises: clocked feeding of a sheet metal band with a feed length V per cycle, pre-punching at least two chain link plate blanks arranged in succession, re-cutting at least one chain link plate blank, wherein at least the still connected head areas of the chain link plate blanks arranged in succession are excepted from the re-cutting process separating the connected head areas of chain link plate blanks arranged in succession, wherein the feed length V is smaller than 2.1×T and the upper and/or lower side of the head areas connected to each other is/are provided at least partially with a concave run by a punching process substantially adjacent to the end face produced later. A method is also provided for producing a high-performance chain and to correspondingly produced high-performance link plates and high-performance chain.

Abstract: A method for providing a link-plate chain having increased strength by stretching the chain between a pair of spaced, rotatable conical pulleys, wherein the link-plate chain is stretched in opposite directions of rotation of the conical pulleys. The opposite stretching operations impart deformation forces on at least the link-plates and/or rocker pressure pieces that interconnect link plates of the link-plate chain. The deformation forces cause parts of the chain to undergo plasticization regions of the chain components and that result in increased chain strength.

Abstract: A fusible link is described comprising a first member selectively coupled to a second member via a connection member. The connection member is retained by way of first and second stop members that are defined in the second member and bear against the connection member and the first member.

Abstract: A metal chain construction that includes a series of interconnected links with each link constructed and arranged in an annular configuration having either a circular or oval cross-sectional area. The link has, on at least one side thereof, a substantially planar indicia surface that is recessed into the cross-sectional area. An indicia in the form of a discernible indicia message is formed on said recessed indicia surface such as by an engraving. The link is of a metal alloy and the link joint is formed of a metal alloy solder mix.

Abstract: The method includes providing a source of flat stock; forming the flat stock into a spherical shaped bead that includes connected semi-spherical bead halves with each half having opposed open recesses that are located in a circular edge that defines each semi-spherical half; providing a source of wire stock; forming the wire stock into a series of the interconnected links with each link having a middle section and contiguous opposed enlarged ends at respective ends of the middle section; positioning the formed links each between adjacently disposed spherical shaped beads for accommodation in facing recesses thereof; closing the connected semi-spherical bead halves to form the spherical shaped bead; and laser welding between the connected semi-spherical bead halves.

Abstract: Portions of a pair of first pin members, a pair of second pin members, and a pair of third pin members other than one end portions thereof are respectively inserted into and held in a pair of first holding holes, a pair of second holding holes and a pair of third holding holes that extend perpendicularly to reference surfaces that are top faces of first to third connected body assembly jigs. In this state, a single first link plate, a single second link plate and a third link plate are press-fitted onto the one end portions until the first to third link plates come into contact with the reference surfaces. In this way, first to third multiple connected bodies are assembled. Then, the first to third multiple connected bodies and multiple fourth link plates are assembled into a power transmission chain.

Abstract: Hollow ornaments in the form of closed links with ornamental and functional openings for producing rings, earrings, pendant bangles necklaces or bracelets and in the form of continuous array of closed links with functional and ornamental openings, which are joint free; and process for producing them.

Abstract: A chain has alternating vertical and horizontal chain links and with each link having an oval profile. The vertical links having an end web supporting surface formed on its inside that engages with a complementary bearing surface on the end web of adjacent horizontal link. The supporting surfaces and the bearing surfaces of all end webs are widened beyond two lateral surfaces of the respective end web, and supporting surfaces and bearing surfaces associated with one another are formed in each case as complementary cylindrical surfaces extending between longitudinal limbs. A method for producing such, closed profile chain links are hooked into open profile chain links and then the latter are closed by welding. And wherein, all supporting surfaces and bearing surfaces associated with one another are formed in each case as cylindrical surfaces that complement one another.

Abstract: A chain includes a plurality of sliding members that moves relative to each other. At least one of sliding members is formed of a martensitic stainless steel, and contains, in a superficial layer thereof, elemental substances of carbon and nitrogen at a range from 0.17 to 0.50 mass % in total, while a precipitation amount of carbide and nitride is 0.05 mass % or less in total.

Abstract: A chain, in particular a technical chain, preferably a unidimensionally movable chain (plate link chain), more preferably a bolt chain or roller chain, has at least one or more chain links. The at least one chain link is constructed with pretensioning. A manufacturing method includes the following steps: assembling at least one chain link from at least two link plates with link plate holes and two bolts or sleeves. In the non-assembled state, the link plate is not straight, in particular has a curved form, and/or the link plate and the link plate holes have a hole axis, wherein the hole axis is not right-angled, and/or, in the non-assembled state, the bolt or the sleeve is not straight, in particular has a curved form. The chain is assembled from at least two chain links and at least one chain link is manufactured in this way.

Abstract: An interchangeable and customizable jewelry and accessory system using individual beaded links 1 to allow the user to create jewelry, fashion & home accessories quickly and easily without prior jewelry making experience. Each design can easily be changed to create a new design without affecting the quality and structure of the main components. Using this method, individual beaded links 1 can be detached and re-attached at any point within the design to create an entirely different design at any time. Individual beaded links 1 and connector links 3 as well as any clasp, finding or embellishment 2 can be used and re-used over and over without damaging any component of the design providing for a truly interchangeable jewelry and accessory system.

Abstract: An assembling method for a torque transmission chain, including a step of manufacturing split pieces of the chain in such a manner that a predetermined number of pins are held by a linear pin holding jig and then a predetermined number of links are press-fitted to the pins; a step of linearly arranging the split pieces so as to overlap split piece coupling links each arranged at any one of both ends of each of the split pieces; a step of inserting the pin through the overlapped split piece coupling links; and a step of pulling both ends of a whole of the plurality of split pieces coupled to each other via the split piece coupling links to thereby fix the pin to a pin fixing portion of the split piece coupling links.

Abstract: The present invention relates to a method of fabricating a metal link rod (6) that is longitudinally reinforced in its thickness by fiber reinforcement (2), the method comprising the following steps: making a metal blank including at least one longitudinal housing (11, 12) leading into an edge face of the blank; inserting fiber reinforcement (2) in the housing; connecting the fiber reinforcement to the blank by metal diffusion around the fibers of the fiber reinforcement (2); and finishing the blank in order to obtain a link rod (6). The invention also provides a link rod having a metal matrix in which reinforcing fibers are embedded that extend on either side of a longitudinal axis (X) of the link rod, the fibers leading into an edge face of the link rod.

Abstract: A link chain is made of chain links connected by chain joints, a chain joint comprising at least one bearing and a pin guided in a pivotable manner and in contact with this chain joint bearing. At least one bearing surface of the pin or chain joint bearing has a hard material layer applied by a PVD process, formed from a compound including at least two metals and a non-metal, at least C, N or Si being selected as the non-metal and the two metals being selected from Cr, Mo, W, Ti, Cu, Zn, Zr, Ta, Nb, Al, B, V, Hf, whereby the two metals differ from each other and the first metal is present in the hard material layer in a crystal structure that differs from the crystal structure of the second metal.

Abstract: Fabrication of fibers using links of nanotubes including slicing a first nanotube rope from a nanotube forest. The method further includes wrapping the first nanotube rope in a first plurality of circuitous turns to create a first link. The method further includes slicing a second nanotube rope from the nanotube forest. The method further includes wrapping the second nanotube rope in a second plurality of circuitous turns to create a second link, wherein the second link is interconnected to the first link in a chain.

Abstract: The pneumatically-operated master chain link press tool is a press tool that is configured to press on a master link plate onto master link pins of a drive chain. The press tool includes a cylinder inside of which is a pneumatically-driven piston that is spring-loaded in order for the piston to return to a retracted position after pressing the master link plate onto the master link pins. A distal end of the cylinder includes a master link support jig that is partially exposed via a side opening. The master link support jig includes a master link recess that is configured to support a master link body of a drive chain there against. An opposing distal end of the cylinder includes a compressed air inlet and an air release. The compressed air inlet is configured for attachment and use with a compressed air hose.

Abstract: A chain has alternating vertical and horizontal chain links and with each link having an oval profile. The vertical links having an end web supporting surface formed on its inside that engages with a complementary bearing surface on the end web of adjacent horizontal link. The supporting surfaces and the bearing surfaces of all end webs are widened beyond two lateral surfaces of the respective end web, and supporting surfaces and bearing surfaces associated with one another are formed in each case as complementary cylindrical surfaces extending between longitudinal limbs. A method for producing such, closed profile chain links are hooked into open profile chain links and then the latter are closed by welding. And wherein, all supporting surfaces and bearing surfaces associated with one another are formed in each case as cylindrical surfaces that complement one another.

Abstract: Links in industrial chains are connected by pins in bushings. Internal sealing rings in internal annular grooves near ends of bushings prevent inward movement of debris and outward movement of grease past the grooves. Steel internal sealing rings are expanded further into the grooves upon insertion of the pins through the bushings and the steel rings. The steel rings tightly grip the pins and rotate with the pins. Opposite ends of the bushings extend slightly from inside sidebars. Outer conical nitrile seals have collars placed on extended ends of the bushings and have large radiused ends for contacting inner surfaces of outside sidebars that hold the pins.

Abstract: A linkage wear prevention device for preventing or fixing wear in a linkage device such as a chain. The linkage wear prevention device generally includes a clip device having a hollow main body with a channel extending therethrough. The clip device is initially C-shaped, with a slot defined by a first end and a second end. The first and second ends each include projections and indentations which act to fuse together the ends of the clip device. When so fused together, the clip device will take on an O-shaped structure which fully encloses around a damaged portion of a linkage.

Abstract: Provided is a method of protecting a drag chain for a lumber mill and a drag chain having a chain guard and a lug guard. The chain guard and lug guard each only require use of a single weld washer for mounting.

Abstract: A coupling link for connecting two parts together includes link components (which each form a partial link) that are joined together with a removable support. The support and link components are coupled together to withstand high loads and/or adverse wear conditions. The inventive construction is strong, durable, efficient, cost effective and easy to use. Wear caps are provided to facilitate extended usable chain life.

Abstract: A link member with wear crutch, the linking member including a pair of side arms and at least one integrally formed loop end portion, the inner surfaces of the side arms and loop end portion defining a friction surface, the inner surfaces of the respective side arms diverging from one another away from the loop end portion and the wear crutch including two curved surfaces arranged as an outer and an inner surface, the outer surface to abut a surface of the linking member in a loop end portion and the inner surface presenting a wear surface for the linking member, and whereby the outer and inner surfaces intersect one another at opposite ends of the wear crutch along common edge portions, and a pair of substantially parallel locating arms adapted to abut respective surfaces of the linking member such that said common edge portions each engage an adjacent arm in a substantially flush manner when the wear crutch is seated on the linking member.

Abstract: A method for producing high-performance chain link plates with a link plate pitch T, comprises: clocked feeding of a sheet metal band with a feed length V per cycle, pre-punching at least two chain link plate blanks arranged in succession, re-cutting at least one chain link plate blank, wherein at least the still connected head areas of the chain link plate blanks arranged in succession are excepted from the re-cutting process separating the connected head areas of chain link plate blanks arranged in succession, wherein the feed length V is smaller than 2.1×T and the upper and/or lower side of the head areas connected to each other is/are provided at least partially with a concave run by a punching process substantially adjacent to the end face produced later. A method is also provided for producing a high-performance chain and to correspondingly produced high-performance link plates and high-performance chain.

Abstract: A chain, in particular a technical chain, preferably a unidimensionally movable chain (plate link chain), more preferably a bolt chain or roller chain, has at least one or more chain links. The at least one chain link is constructed with pretensioning. A manufacturing method includes the following steps: assembling at least one chain link from at least two link plates with link plate holes and two bolts or sleeves. In the non-assembled state, the link plate is not straight, in particular has a curved form, and/or the link plate and the link plate holes have a hole axis, wherein the hole axis is not right-angled, and/or, in the non-assembled state, the bolt or the sleeve is not straight, in particular has a curved form. The chain is assembled from at least two chain links and at least one chain link is manufactured in this way.

Abstract: A master coupling link assembly comprises a master coupling link and at least one sub-coupling link. The master coupling link has a first eye dimensioned to receive a lifting hook and at least two second eyes separated from the first eye. The at least one sub-coupling link is coupled to the master coupling link at one of the at least two second eyes, and the sub-coupling link is formed with the master coupling link.

Abstract: A link chain is made of chain links connected by chain joints, a chain joint comprising at least one bearing and a pin guided in a pivotable manner and in contact with this chain joint bearing. At least one bearing surface of the pin or chain joint bearing has a hard material layer applied by a PVD process, formed from a compound including at least two metals and a non-metal, at least C, N or Si being selected as the non-metal and the two metals being selected from Cr, Mo, W, Ti, Cu, Zn, Zr, Ta, Nb, Al, B, V, Hf, whereby the two metals differ from each other and the first metal is present in the hard material layer in a crystal structure that differs from the crystal structure of the second metal.

Abstract: A method for producing pins for a control chain, which has link plates that are connected to each other by the pins. The pin ends are arranged in receiving bores arranged inside the link plates. The pin is made of steel of the type 100Cr6 or 32MnCrMo6-4-3, subjected to a carbonitriding method and has a wear zone between the 1/30 and the 1/60 part of the diameter thereof after abrasive removal on the carbonitrited pin surface.

Abstract: A motion transmitting drive chain (drive chain) is prevented from buckling by applying a relatively small compressive bias force to one side of the pins around which the chain links rotate. The bias force is applied on the locking projection side of the pins axes of rotation such that the links are urged to rotate in the direction required to lock them against each other.

Abstract: A jewelry link assembly and method in which successive links are slipped onto prior links and are held together without the need for soldering between adjacent links. An infinitely hinged connection between adjacent links is formed permitting substantial flexibility when the hinged link bracelet assembly is so constructed.

Abstract: An assembling method for a torque transmission chain, including a step of manufacturing split pieces of the chain in such a manner that a predetermined number of pins are held by a linear pin holding jig and then a predetermined number of links are press-fitted to the pins; a step of linearly arranging the split pieces so as to overlap split piece coupling links each arranged at any one of both ends of each of the split pieces; a step of inserting the pin through the overlapped split piece coupling links; and a step of pulling both ends of a whole of the plurality of split pieces coupled to each other via the split piece coupling links to thereby fix the pin to a pin fixing portion of the split piece coupling links.

Abstract: A method for stretching a continuous transmission chain having a number of adjacent links which are intercoupled in the longitudinal direction of the chain by pairs of longitudinal rocker elements by supporting the chain to be treated using at two rotatable cylindrical pulleys and selectively moving at least one of the pulleys away from the other pulley to generate in this chain tensile stresses of such magnitude that the limit of elasticity of the material of the links is at least locally surpassed.

Abstract: A method for producing welded round and profile chains of chain links that are connected to each other. The chain links for round and profile chains produced by this method include two chain link partial pieces that are connected to each other by friction welding.

Abstract: An articulating pin for the links of a bicycle chain, of the type capable to be inserted in aligned holes of an outer link and of the corresponding inner link of the chain, to hinge the links to one another, has a central portion and a distal portion. The distal end is elastically deformable for the insertion through the holes.

Abstract: Chain link comprising two side limbs at both ends joint by curved end portions. The chain Link comprises at least one endless band of fiber material wound along the perimeter of the chain link. The fiber material follows the longitudinal direction of the limbs and the curvature of the end-portions. In a chain made of interlocking chain links of this type, all tensile loads are absorbed by the fiber material, whereas the bearing load due to interlink contact, plus the link shear and bonding stresses near the contact points are absorbed by the end portions.

Abstract: A method of manufacturing a power transmission chain pin, which connects links arranged in a chain width direction of a power transmission chain, includes a rough sectional shape formation step of drawing a wire rod so that a section thereof is formed in a substantially oval shape and a rough end portion shape formation step of cutting a continuous bar-like member which has been subjected to the drawing work into a predetermined length so that an end surface thereof has a predetermined angle with respect to an axial direction. A final sectional shape and a final end portion shape of the power transmission chain pin are formed by a cold forging work to the bar-like member cut into the predetermined length, which is a final shape formation step.

Abstract: A bush is pressed into a link plate in a turning link rank that turns relatively with a pin. The bush is molded into a seamless cylindrical shape by cold-forging and is coated with a metal carbide layer formed by cementation of chrome, vanadium and other metals and having Vickers hardness of 1300 Hv or more similarly to the pin. Afterwards, the bush is treated by a quenching, tempering or isothermal transformation process. Thereby, wear resistance of the pins and the link plates of a silent (link) chain is improved, productivity is improved and associated costs are reduced.

Abstract: A chain assembling-disassembling structure includes an assembling base, a first clamping component, a second clamping component, a penetrating shaft and a driving shaft. The assembling base has a fixing portion and the fixing portion has a concave edge for receiving a bushing of the chain section. And, the assembling base includes a first portion and a second portion vertically formed at two opposite ends thereof for respectively engaging with the first and second clamping components. Here, the first and second clamping components together clamp and restrict the chain. The second clamping component has a tubular shape for being inserted by the penetrating shaft, and then, the driving shaft can further be locked into the second clamping component. By turning the driving shaft, the penetrating shaft can be forced to push out a pin, which is used for jointing the inner and outer link plates of the chain.

Abstract: The oil-free chain is obtained by connecting a pair of inner link plates which are connected by oil-impregnated bushings and a pair of outer link plates, which are connected by pins inserted into adjacent oil-impregnated bushings of adjacent inner link plates alternately. The oil-impregnated bushing is obtained by impregnating a bushing made of a metal sintered body with perfluoropolyether having a kinematic viscosity at 40° C. equal to or higher than 350 mm2/s. The bushing is impregnated with perfluoropolyether having a kinematic viscosity corresponding to the operating temperature of the oil-free chain.

Abstract: This invention relates to a connector, particularly to a shackle suitable for use in connecting two links of a chain or a chain to an anchor, more particularly to a connector comprising a first portion and a second portion, at least one first connector arm on the first portion and at least one second connector arm on the second portion, wherein both the first and second connector arms have multiple bearing surfaces, preferably six, and are able to engage one another when the connector is coupled by means of the bearing surfaces. The connector of the present invention has the advantage of having a break load of 1.3[0.0274 d2(44?0.08 d) kN, wherein d is the nominal diameter, and preferably a thickness of 1.3 d.

Abstract: An element is provided for a cable carrier device which is constructed and arranged to carry cabling components such as cables, lines, hoses and the like between a first connection point and a second connection point. The element is formed from a material including at least one plastic and a filler. The filler includes three-dimensional geometrical carbon-based structures having nanometer-scale dimensions. In some arrangements, the carbon-based structures are carbon nanotubes formed of carbon atoms. Accordingly, the element is capable of dissipating electrostatic charges of the cable carrier device. Thus, the corresponding cable carrier device is suitable for working environments that are to be protected from electrostatic effects.

Abstract: A link chain comprises a chain link including two shank portions and two arc portions connecting the two shank portions. The two shank portions and the two arc portions define an interior space of the first chain link; and a dividing element extends inwardly from an inside surface of one of the two shank portions and extends inwardly from the inside surface of the other shank portion. The dividing element divides the interior space into two movement spaces, and the dividing element has a centerline, and the centerline is not a straight line perpendicular to the shank.

Abstract: The end faces of a first pin contain bulging curved faces having an egg-like shape, when viewed along a chain width direction. Each bulging curved face includes a first end portion, a second end portion and a maximum width portion with respect to a chain advancing direction. With respect to perpendicular directions, the distance between the center of the maximum width portion and the first end portion is relatively large, whereas the distance between the center of the maximum width portion and the second end portion is relatively short. It is possible to enlarge the surface area of the bulging curved face.

Abstract: Drive dog chains are assembled with alternating universal inside attachment links and outside sidebars and riveted pin connections. The universal inside attachment links have full size end sections and central sections of reduced height. Filler attachments are attached with machine screws to the central sections. Upper surfaces of the filler attachments are level with upper surfaces of the end sections and upper surfaces of the outside sidebars. Filler attachments are removed from selected ones of the center sections and replaced with pusher attachments secured at an end of each selected center section. A drive dog chain is manufactured and stored in uniform strands. Upon ordering, the pusher attachments replace the filler attachments at selected spacings on the chain.