1664results about "Rail fasteners" patented technology

Provided is a two-piece anastomosis fastener that can be used to join two tissue sections together in accordance with Natural Orifice Transendoscopic Surgery (NOTES). The fastener may be releasably attached to a fastener applying instrument for delivery in accordance with such procedures. The fastener includes a first member and a second member, where the clamp members are operably configured to fasten together to clamp and hold tissue, such as gastric tissue, in juxtaposition to establish an anastomosis. The first clamp member and the second clamp member are coupled with an adhesive.

A golf club head includes a head body formed with a cavity, and a counterweight unit fitted in the cavity and including a sleeve body and an insert body. The sleeve body has a first end face, a second end face, first and second cavities, and first and second inner walls. The first inner wall has at least one first corner. The second inner wall has at least one second corner out of alignment with the first corner. The sleeve body further has at least one shoulder face formed at a junction of the first and second cavities. The insert body includes an insert portion removably inserted into the sleeve body, and an abutting portion extending outward from the sleeve body and abutting against the first end face. The insert portion has at least one flange engaging the second corner and having a stop face abutting against the shoulder face.

A composite fastener, a belly nut, a tie system and / or a method reduce heat transfer through a building envelope. The composite fastener, the belly nut, the tie system and / or the method secure a wall to a backup structure. The composite fastener is constructed from a fiber reinforced polymer that has fibers embedded in a polymeric matrix. The composite fastener has a low thermal conductive value (k-value) and has non-corrosive properties. The belly nut has a fastening hole on a first side of the belly nut to attach the composite fastener to the belly nut. Further, the belly nut has a pathway to receive a leg of a pintle from a top surface of the belly nut to a bottom surface of the belly nut. The pathway is sized to allow for greater vertical adjustment eccentricity between the belly nut and the pintle without creating large horizontal deflections of the tie system.

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.

The invention relates to a fixing device, such as a screw (1) a plain washer, a nut or a rivet, with an information memory that can be read from the exterior. The information memory (4) is machine readable. According to the invention, the information memory contains optically readable information.

The invention provides novel railroad ties manufactured from novel composite materials that possess excellent physical and performance characteristics matching or exceeding existing concrete RRTs. The RRTs of the invention can be readily produced from widely available, low cost raw materials by a process suitable for large-scale production with improved energy consumption and more desirable carbon footprint and minimal environmental impact.

A railway crosstie is adapted for use in a track system having a pair of rails supported on longitudinally spaced crossties. The railway crosstie includes an I-beam member made of a combination of recycled materials.

A system and method for determining rail seat abrasion of a rail road track is disclosed. An inspection system comprises lasers, cameras, and processors adapted to determine whether rail seat abrasion is present along the track. The processor employs a mathematics based algorithm which compensates for tilt encountered as the inspection system moves along the track.

The present invention relates to railway ballast bed accessory, and is especially one kind of elastic bearing plate for use under ballast bed of railway. The elastic bearing plate includes antiwear elastic layers(s) and one buffering elastic body below or inside the antiwear elastic layers(s). The buffering elastic body has relatively lower area rigidity or elastic modulus. The elastic bearing plate has high elasticity, high bearing capacity, high durability, long service life, excellent buffering effect, and capacity of lowering vibration and noise greatly. It may be applied widely under ballast bed of railway for buffering and damping.

A splice plate for stringers designed to connect two adjacent stringers at least three independent pieces, a connection rod being designed to be fixed by two opposite extremities to two adjacent stringers, and at least two connecting plates, each connecting plate being designed to be fixedly joined to a first extremity of one of the two stringers, and by a second extremity of a cross bar disposed between the two stringers. The disclosed embodiment also relate to a device for orbital fixation including at least one stringer splice plate splice bar.

An article of manufacture selected from a titanium alloy fastener and a titanium alloy fastener stock including an alpha / beta titanium alloy comprising, in percent by weight: 3.9 to 4.5 aluminum; 2.2 to 3.0 vanadium; 1.2 to 1.8 iron; 0.24 to 0.3 oxygen; up to 0.08 carbon; up to 0.05 nitrogen; titanium; and up to a total of 0.3 of other elements. In certain embodiments, article of manufacture has an ultimate tensile strength of at least 170 ksi (1,172 MPa) and a double shear strength of at least 103 ksi (710.2 MPa). A method of manufacturing a titanium alloy fastener and a titanium alloy fastener stock comprising the alpha / beta alloy is disclosed.

An article of manufacture selected from a titanium alloy fastener and a titanium alloy fastener stock including an alpha / beta titanium alloy comprising, in percent by weight: 3.9 to 5.4 aluminum; 2.2 to 3.0 vanadium; 1.2 to 1.8 iron; 0.24 to 0.3 oxygen; up to 0.08 carbon; up to 0.05 nitrogen; titanium; and up to a total of 0.3 of other elements. In certain embodiments, article of manufacture has an ultimate tensile strength of at least 170 ksi (1,172 MPa) and a double shear strength of at least 103 ksi (710.2 MPa). A method of manufacturing a titanium alloy fastener and a titanium alloy fastener stock comprising the alpha / beta alloy is disclosed.

Polyamide engineering plastic for rail fasteners of high speed railway and a preparation process are disclosed. The plastic belongs to organic material, which is characterized in that the plastic is formed through conducting mixture extrusion pelleting for the following components: material substrate material with 48-88% percentage by weight, wherein the substrate material is polyamide 6 resin, or is polyamide 66 resin, or is the mixture of polyamide 6 resin and polyamide 66 resin, addition agent with 0-15% percentage by weight, wherein the addition agent is toughening agent and compatilizer, intensifier with 10-50% percentage by weight, wherein the surface of intensifier is treated with silane coupling agent with 0.2-5% percentage by weight relative to additive matters. Polyamide engineering plastic provides raw material for producing first-grade railway rail fasteners. The fastener which is produced by the plastic has the advantages of light weight, high strength and high impact, large loading, easy machine shaping and dyeing and reasonable cost.

The invention discloses an integral embedded method for a group of anchor bolts. The method comprises the following steps: after assembled lower positioning plates are fixed on a steel bracket in a foundation trench, the lower ends of the embedded bolts are fixedly connected with the lower positioning plates, and upper positioning plates are correspondingly installed on the embedded anchor bolts; steel pipe cat anchors are arranged on the periphery of the foundation trench to adjust the axial line positions of the embedded bolts, concrete is poured into the foundation trench, and after the concrete pouring is accomplished, the axial line positions of the embedded anchor bolts are adjusted. By adopting the method, the bracket and the ring-shaped positioning steel plate can be processed in a plant in advance, few construction site and little operational sequence time are occupied, the on-site splicing can be accomplished by only a spanner tool, the operational sequence is simple, the conventional on-site splicing time is saved, not only the construction speed is greatly accelerated, simultaneously the installation precision is enhanced, the engineering embedded bolt detection indicates that the permissible accuracy error for the embedded bolt installation is above the requirement of the national regulation, and the qualification rate of the engineering large-scale embedded anchor bolt can be up to 100 percent.

The invention relates to a high intensity thermosetting molecule based composite material, which is characterized by comprising high molecular thermosetting high intensity resin in a net structure, a curing crosslinking agent, a fibrous reinforcing material and a granular reinforcing material additive. The high intensity thermosetting molecule based composite material and application thereof have the advantages of excellent mechanical property, high material molding degree, wide application range and long service life, and can meet the requirements of various workpieces manufactured by the traditional Q235 carbon steel founding and demolding and be applied to various industries.

A system and method for determining rail seat abrasion of a rail road track is disclosed. An inspection system comprises lasers, cameras, and processors adapted to determine whether rail seat abrasion is present along the track. The processor employs a mathematics based algorithm which compensates for tilt encountered as the inspection system moves along the track.

A fastener system for retaining a loose elongate fastener in a counterbore, including an elongate fastener, such as a bolt, having a head for being received and retained in a counterbore in a structure and in generally flush relation to a surface of the structure surrounding the counterbore, and a retaining member for being secured to the structure proximate the counterbore and overlapping the counterbore to trap the loose fastener in the counterbore.

Embodiments of the present invention relate to an article holding apparatus affixed to the exterior of a mobile device for conveniently retaining personal articles therein. In one embodiment of the present invention, a mobile device attachment apparatus comprises a securing surface for positioning the mobile device attachment apparatus against a surface of the mobile device, the securing surface having a securing means thereon, and an article retaining pocket for securely holding at least a removable article therein. In another embodiment, a mobile device attachment apparatus comprises a securing panel for positioning the mobile device attachment apparatus against a surface of the mobile device and for supporting an article retaining portion, the securing panel having a securing means thereon, wherein the an article retaining portion protrudes from the securing panel, adjacent to the mobile device, and securely holds at least a removable article therein.

A method of categorizing fasteners and construction connectors by size and type using a color coding system. Each fastener receives a designated and distinct color contained on the surface that is exposed before and after installation. The colors are preselected to define one or more physical properties of the fasteners. A color key is provided to determine the physical properties of the fasteners based on the coloring of exposed portions of the inserted fasteners. Similarly, construction connectors receive a designated and distinct color contained on the surface that is exposed before and after installation. The color represented on the surface of the construction connector is such that the corresponding fastener is the same color.

A connector assembly configured to secure at least one component to a structure may include a base, at least one member configured to receive and retain a portion of a component, and a stud retainer extending from the base. The stud retainer may include first and second engaging legs within a retaining chamber. The first and second engaging legs are configured to automatically align the stud retainer with respect to a stud that passes into the retaining chamber.

The rail track tie including: a rigid block presenting a bottom face, and a top face for receiving at least one longitudinal rail; a cover for receiving the rigid block and in the form of a rigid shell including a bottom and a peripheral rim around the bottom; and a resilient soleplate disposed between the bottom face of the rigid block and the bottom of the cover. The resilient soleplate has dynamic stiffness k2 lying in the range of 6 kN / mm to 10 kN / mm, and preferably in the range of 6 kN / mm to 8 kN / mm.

A load bearing structure configured to bear a load, the structure comprising a multiple cells. The load bearing structure has a length, a center, and a cell density, which varies at least along the length of the load bearing structure, which weighs at least 6 kg.

A tuned absorber (5A, 5B) for attachment to a railway rail (1) comprises a body (6) formed of elastomeric material and of at least one region of a first material, denser than the elastomeric material, located within the elastomeric material and forming an active mass (7m1, 7m2, 7m3). A member (8) of a second material denser than the elastomeric material is also located within the elastomeric material, adjacent to the active mass (7m1, 7m2, 7m3), for coupling to the rail (1) so as to provide a resonant surface against which the active mass (7m1, 7m2, 7m3) can vibrate. Alternatively, or in addition, a tuned absorber (5A, 5B) has a first active mass (7m1) and at least one further active mass (7m2, 7m3) arranged so as to be effectively coupled for vibration in a first frequency range and such that the or each further active mass (7m2, 7m3) is decoupled from the first active mass (7m1) for vibration in a second frequency range higher than the first. Alternatively, or in addition, attachment means for applying a securing force to maintain a tuned absorber (5A, 5B) in position on the rail web (1c) comprise a spring steel strap (40) having an overcentre device which locates on the rail foot (1b) and is operable, when snapped into a closed position, to apply a compressive force to the tuned absorber (5A, 5B).

A notched tie plate insulator adapted to be received within a recessed area of a tie plate of a railroad rail system. The insulator includes a bottom plate having a first side and a second side and a pair of side plates attached to the bottom plate. Each side of the bottom plate defines a notch therein. The side plate includes a longitudinal extending body having an upper surface and a lower surface and defining a recess on the upper surface and a protrusion on the lower surface, wherein the protrusion of each of the side plates is received within the notches of the bottom plate.

A circulation member of a ball screw for circulating a ball rolling on a spiral ball rolling groove formed on a screw shaft. The circulation member includes a central portion and a pair of leg portions disposed at both ends of the central portion so as to extend therefrom, the leg portions having inner peripheries having center lines inclined in directions different from each other with respect to a center line of an inner periphery of said central portion. The leg portions also have outer peripheries having center lines being parallel to each other and have thicknesses, different in circumferential directions thereof, at cross sections in directions normal to center lines of the outer peripheries of the respective leg portions.