Abstract: Paint-coated fishing component formed with recesses in which build-up of paint in the recesses is unlikely. A reel body (1) made of a magnesium alloy painted by electrodeposition includes a first side cover (6a) and a second side cover mounted to the sides of a frame. The first side cover (6a) is fastened by attaching screws (30) from the inner side of a first side plate (7a) to a plurality of protrusion portions (20) formed protruding on a rear surface. The protrusion portions (20) are provided with conduits (25) communicating recess portions formed with female threads to the immediate exterior. The conduits (25) are slits that are formed in the protrusion direction of the protrusions (20) or perpendicular to the protrusion direction, and are cut with a T-slot cutter, for example.

Abstract: The present invention is directed to an internally threaded prevailing-torque type self-locking fastener which employs a patch of fused thermoplastic material as the locking element and which satisfies the functional torque requirements of both IFI 100/107 (1987) and IFI 101 (1987). In accordance with the present invention the fastener comprises a metal body having a bore extending to its opposing ends, the bore having a threaded surface; a patch of polymeric material applied and fused to a portion of the threaded surface; and the fastener meeting the prevailing-torque characteristics specified in both IFI 100/107 (1987) and IFI 101 (1987).

Abstract: A pivot assembly is provided for pivotally attaching a pivotable seat component to a fixed seat component. The fixed component includes first and second apertures, first and second outer surfaces and first and second inner surfaces adjacent the apertures, and the pivotable component includes at least one pivot hole therein. The pivot assembly includes a bolt having a head, a cylindrical portion and a threaded portion. A threaded nut is engageable with the threaded portion of the bolt. A generally cylindrical plastic bushing is fitted over the cylindrical portion of the bolt and includes a peripheral lip abutting the head of the bolt and a plurality of swageable flanges extending at least partially over the threaded portion of the bolt.

Abstract: An electrically insulated anchor device is described, comprising a rigid elongated metal sleeve including an external surface that leads from an open top end to a bottom end. A longitudinal internal bore is formed within the sleeve with a bore wall spaced from the external surface by a sleeve wall thickness dimension. An electrically insulative polymer insert with an external surface engages the bore wall within the sleeve. The insert further includes a fastener receiving bore defined by a fastener receiving wall spaced from the external insert surface by an insert wall thickness dimension. The sleeve wall thickness dimension is substantially greater than the insert wall thickness dimension.

Abstract: A fastening system is provided for fastening a first structural component to a second structural component for use especially in the motor vehicle industry, which has at least one fastening screw, a corresponding first preassembly thread on the first structural component, in which the fastening screw is fastened after the preassembly and a fastening thread on the first structural component or the second structural component for fixing the first structural component to the second structural component by the fastening screw, whereby this screw, after fixing, is fastened in the associated fastening thread, whereby the fastening screw has at least one front threaded area arranged on the free end of the screw shank and a second area adjacent to the screw head, whereby this is provided with a plastic coating, into which a thread corresponding to the preassembly thread is incorporated only when the fastening screw is screwed into the preassembly thread.

Abstract: A clip type nut device for attachment about an aperture or opening of a support structure is provided with the clip nut device having a resilient main body member having a pair of transversely oppositely extending bushings at opposite ends of a flexible strap with a captured nut member in one bushing. One bushing has a first opening and is receivable within the support structure opening. The other or second bushing has a second opening with the threaded nut member captured in the second opening. A securing structure associated with the first and second bushing is operable to secure the first bushing to the second bushing with the first opening being aligned with the second opening such that the threaded nut member is aligned with the opening through the support structure.

Abstract: A method and apparatus for applying coatings to a portion of the internal bore or threads of a fastener or similar article having an opening on at least one end is provided. A 360° coating with material is provided using centrifugal force to assist in direction the material to a desired surface, which does not require use of a pressurized air stream in order to propell the coating material toward the walls of the article desired to be coated.

Abstract: Disclosed is a method for preventing galvanic corrosion in fastener assemblies by coating fastener inserts with a resin bonded fluoropolymer composition having an average viscosity of between about 20 to 30 seconds at 25° C. Also disclosed is a method for providing coated inserts as well as the coated inserts produced.

Abstract: An article of manufacture in the form of a screw retaining mechanism for assembling a pair of objects. The mechanism comprises a tubular wall of given thickness defining a plastic boss on one object; a screw having a threaded shank secured in the boss by grooves complementary to the screw threads, the screw having a head clamping the other object to the first object; and a heat shrunk sheath residing on the screw threads and shank to act as a threaded interference fit film between the screw threads and the boss grooves, the sheath having metal wires weavingly embedded into the sheath to extend at least generally parallel to the axis of the tubular wall.

Abstract: 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.

Abstract: A lifting apparatus for use in lifting a concrete or other structure including a first member for inserting into a wall of the structure and a second member for fitting onto a forklift and engaging the first member. The first member includes an elongate member encased in a polymeric material. One or more resilient radial fins extend from the first member, and are angled away from the first end of the first member. A pair of raised shoulders define a circumferential channel near the second end. The first member is installed in the structure by being driven into a preformed hole in the structure. The second member includes a hollow body for sliding onto a forklift tine, and a side wall having at least one vertical recess for receiving the circumferential channel of the first member.

Abstract: A feed screw including a screw shaft, a nut meshed with the screw shaft and a plurality of rolling members inserted between the screw shaft and the nut, wherein a solid film of a fluorine-containing polyurethane polymer is formed on any portions in rolling/sliding contact. The molecules of this solid film have urethane bonds, and form a three-dimensional reticular structure. Therefore, the film is unlikely to separate, peel off or wear. Accordingly, the feed screw produces less dust, improves lubricating property and thus elongates its life.

Abstract: The invention is aimed at to provide ornamental nuts and bolts of a solid and high-quality characteristic, which are prevented from breakage and dislodgement due to a shock, which are easily manufactured and assembled, which are easily modified in their design, and which are produced at low cost.An ornamental seal 2 is inserted into a recess 1b formed at the rearward portion of a nut body 1c or into a recess 5b formed in a head 5a of a bolt body 5c, and secured therein. The upper surface of the ornamental seal 2 is protectively covered with a film layer of a transparent or translucent material.

Abstract: A fastening element has a shaft having a rear end and a forward end with a forward end face, holding means arranged at the rear end of the body for fastening an article to a building component, means forming an expansible region starting from the forward end face and extending in a longitudinal direction through a portion of a length of the shaft, the means forming the expansible region including a longitudinal slot having a base and an expansible member seated displaceably on the base of the longitudinal slot, the expansible member being provided with a stop which abuts the forward end face of the shaft.

Abstract: A chemical anchor bolt and cap assembly installable in a hole drilled in masonry for fastening an object thereto The threaded shank of the bolt and the hollow cap extending from its end are inserted into the hole, causing an uncured bonding agent deposited in the hole, such as an epoxy, to surround the cap and the shank. When the epoxy hardens the cap is then embedded in the epoxy to create a void below the end of the shank. Cast in the epoxy surrounding the shank is a female thread that complements the shank thread. To permit the bolt to turn and cause the end of the shank to advance into the void and thereby tighten the fastening, the threaded shank has coated thereon a releasable barrier layer that acts to masks surface irregularities in the shank thread and to slightly space the shank thread from the female thread. As a consequence, the female thread cast in the epoxy is functionally free of irregularities and is loosely intermeshed with the shank thread whereby the bolt can then be easily turned.

Abstract: An improved, process compatible fastener is especially useful for securing a member, such as a wafer clamp ring, to an assembly for use in a process environment. The fastener is of a simple design, such that it is readily manufactured, and such that it is not a source of contamination. In particular, an integrated fastener includes both a metal fastener and a cone shaped metal lock washer within a single fastener assembly, such that a single fastener is used for accomplish the function of a screw and a washer. All surfaces of the fastener that are exposed within the process environment are encapsulated in a process compatible material. In this way, the fastener may be secured in the process environment in a single operation without leaving any gaps or partially exposed surfaces that may introduce contaminants into the process environment, such that the integrated fastener also provides the function of a process compatible cap.

Abstract: A hollow self-lubricating thrust rivet or fastener is adapted to pivotably fasten first and second members to one another. The fastener is laminated on its outer surface with a self-lubricating or lubricious bearing material such as an organic polymer or plastic material. The bearing material provides the fastener with requisite lubricity to enable the members to rotate about the fastener without requiring application of a discrete lubricant to the interface of the fastener and the members. The fastener thus effectively combines the functions of a conventional fastener and a conventional bearing into a single unitary device. The fastener preferably includes an annular thrust portion laminated with the lubricious bearing material and adapted for placement between the members. The thrust portion effectively eliminates the need for installation of a discrete washer between the members.

Abstract: A fastening assembly (10) that is weatherproof and that does not detract from the appearance of the object (16) into which it is driven is disclosed. The fastening assembly includes a fastening device (12) such as a nail that includes an elongated shank (18) and a head (20) on one end of the shank, and a cover (14) formed of water-tight material that can be positioned over the head of the fastening device for sealing the head from water, air, sunlight, and contaminates. This prevents the head of the fastening device from rusting when the fastening device is driven into an object. The cover can be colored the same color as the object that it is driven into so that it blends in with the object and does not detract the appearance of the object.

Abstract: A tie rod assembly for use with forms for forming a wall of pourable, curable material. Each assembly has a rod having opposite threaded ends and two spacers. Each of the spacers has a first conical section having a recessed opening at an apex region of a concave conical guide surface and a hexagonal recess surrounding the apex region, and a second conical section having a threaded bore communicating with the apex opening. The threaded bore has a coil thread nut integrated with the conical second section. The concave conical guide presents a target for directing a remotely inserted bolt towards the apex region for engagement with the coil thread nut.

Abstract: An adhesive insert anchor including an anchor body and a screw member for insertion into a drilled hole in a substrate containing an adhesive. The anchor body further including an integral friction segment and an adhesion segment. The friction segment includes an internally threaded cavity in which to receive the screw member and a knurled portion. The adhesion segment includes a cylindrical section and a plurality of saucer-shaped buttons positioned along its length ending with a terminal button. The buttons on the adhesion segment provide greater surface area for contact between the adhesive and the anchor. The friction segment has an external diameter substantially the same as the diameter of the hole drilled in the substrate, thereby providing a friction fit between the anchor body and the walls of the substrate hole.

Abstract: A staple fastener is provided with filler material disposed between its leg portions for filling a cavity in a substrate, which cavity is formed above a head of the staple when the staple is driven into the substrate. The filler material extrudes from the staple as it is driven into the substrate. In accordance with the preferred method, the staple fasteners are driven into the substrate with a power tool applicator to form the cavity and then a tampering plunger tamps the extruded filler material to conform to the surface of the substrate. In the preferred method, a first plunger is actuated first to drive the staple; and a second tamping plunger at an angle to the first plunger is actuated after the first plunger is retracted to tamp the material into cavity and then to smooth the exterior surface of the filler material to conform to the adjacent surface.

Abstract: A fastener is formed from carbon steel wire so as to have an elongate shank defining an axis, an enlarged head formed at one end of the shank, and a generally pointed tip formed at the other end of the shank. The shank has a ringed portion formed with annular grooves defining annular rings and with helical grooves intersecting the annular grooves and defining helical ribs. The fastener is heat-treated, zinc-plated, and chromate-coated. Substantially all of the shank or of the fastener, as a whole, is further coated with a polymeric material to resist corrosion, to improve ease of driving the fastener, and to increase holding power of the fastener when driven through a wood, plywood, or plasterboard workpiece and then through a steel framing member. Substantially all of the shank or of the fastener, as a whole, may be thus coated with the polymeric material. The polymeric material softens and flows upon penetration and rehardens.

Abstract: A fixing element has a shank having a rear end and a leading end, a holding element arranged on the rear end of clamping an article to a building component, at least one expansion region extending from the leading end in a longitudinal direction for part of a length of the shank. The expansion region is formed by a longitudinal slot with a base surface raising toward the leading end. A expansion member is inserted in the longitudinal slot. The base surface slopes upwardly and ends at an outer circumference of the shank at a distance from the leading end. The expansion member is formed as a wedge with a length substantially corresponding to a lenght of the longitudinal slot and lies on the base surface so as to be displaceable toward the leading end. The wedge has an outer surface provided with roof-shaped teeth which project beyond the shank at least by a part of a height of the teeth.

Abstract: A steel fastener has an elongate shank, an enlarged head formed at one end of the shank, and a generally pointed tip formed at the other end of the shank. A grooved portion of the shank is formed with helical grooves defining helical ribs and with annular grooves defining annular rings. The shank has a cylindrical portion between the grooved portion and the tip and a cylindrical portion between the grooved portion and the head. Each of the annular grooves has a root where deepest and each of the annular rings has a crest where largest. The roots define an imaginary cone diverging toward the tip. The crests define an imaginary cone converging toward the tip. The shank has an exterior surface coated with a polymeric coating, which is formed from an aqueous composition containing a water-based acrylic resin and a water-based polyurethane resin. A zinc layer and a chromate conversion layer are provided between the polymeric coating and the exterior surface of the shank.

Abstract: An adjustable expansion pivot rivet for connecting a movable member to a fixed member having a cylindrical exterior surface, a hollow interior portion with a terminating portion and a solid interior portion such that the hollow interior portion extends through the fixed member and the terminating portion and solid interior portion extends into the movable member, the hollow interior portion expanding in the hole of the fixed member to fill therein, and the termination portion and solid interior portion defining a gap forming a reservoir for lubricant in the movable member.

Abstract: A staple assembly 10 for use in a stapling tool (not shown) for fixing an elongate member such as a cable C onto a substrate such as a wooden beam. The staple assembly 10 comprises a staple 12 having a back 14 and legs 16 depending from opposite ends of the back 14. Also included is a saddle 18 for receiving the staple 12. The saddle comprises a body 20 and two posts 22 which depend from opposite ends of the body 20 in a parallel manner. The body 20 end posts 22 define a receptacle 24 for receiving the cable C. A groove 26 is formed along the outer surface of posts 22 and body 20 for seating the staple 18. A protuberance 28 is formed on the body 20 and extends into the receptacle 24 for engaging the cable C.In one embodiment, the staple 12 is provided with barbs 36 on the inside of legs 16 for engaging an under surface 38 of the posts 22. This prevents the staple 12 from separating from the saddle 18 during transportation and use.

Abstract: A method for fabricating a threaded fastener having a discontinuous coating of a contaminant-inhibiting coating material. In a preferred embodiment, the threaded fastener is formed so as to provide a coated fastener with substantially coating-free crests. The article resulting from the fabrication method also forms a part of the present invention. The resulting threaded fasteners include electrically conductive portions, allowing use of the fasteners in fabricating structural assemblies using welding techniques.

Abstract: Colored staples with color identification components are disclosed. A plurality of staples is provided. Each such plurality has a central section in a first plane and end sections in planes spaced parallel with each other and perpendicular to the first plane. The staples have a common cross-sectional configuration throughout the majority of their extents and are formed with points at the ends of their ends remote from their central sections. Each plurality of the staples has a generally rectangular cross-section with parallel interior and exterior faces and parallel lateral faces therebetween. A plurality of cylindrical sleeves, one for each staple, are provided. Each sleeve has an interior opening of a rectangular cross-sectional configuration of a size and shape corresponding to the cross-sectional configuration of the staples and mounted thereon to cover essentially the entire central section. The color of the sleeves are constant for the plurality of staples to assist in identification purposes.

Abstract: An apparatus and method for applying a resin coating to a plurality of discrete portions of a fastener, such as both internal and external threads. A conveyor supports a fastener. The fastener is first transported past a heater and then past a first powdered resin spray assembly. Powdered resin, supplied to the first spray assembly by a resin reservoir, is used to generate a first air-borne powdered resin stream which coats one set of threads with resin when the fastener traverses the resin stream. The conveyor also transports a second resin spray assembly through the first air-borne powdered resin stream. The second spray assembly uses a resin receiver to aspirate the air-borne resin. The resin is then used to generate a second powdered resin stream which coats the other set of fastener threads.

Abstract: A hybrid panel fastener for use in conjunction with a nut and cage assembly for fastening and unfastening a composite access panel that is galvanically compatible with the composite access panel, suitable for low observability applications, and high cycle usage includes a composite shank member and a metallic sleeve member integrated in combination. The composite shank member includes an interface segment having a peripheral engagement surface, a body segment contiguous with the interface segment, and a head having a torque-input surface contiguous with the body segment. The metallic sleeve member has an externally threaded surface and an integration bore that is complementary to the peripheral engagement surface of the interface segment.

Abstract: A nail-like fixing element has a shank having a rear end and a front end, and a retaining element provided at the rear end of the shank for clamping an article to a component. The shank has at least one expansion zone extending from the front end in a longitudinal direction of a part of a length of the shank and being formed by a free space. An expansion element is inserted in the free space. The space is formed as a U-shaped longitudinal slot with a base which slopes up toward the front end. The expansion element is formed as a wedge which is located in the longitudinal slot on the base so as to be displaceable towards the front end. The wedge has an outer face provided with teeth which project beyond the shank.

Abstract: The present invention is a method of manufacturing a screw connector by an injection metal mold. The screw connector includes a connector main body and a nut embedded in the connector main body. An axis of the nut extends in a forward and backward direction of the connector main body. The screw connector further includes a first opening located on a front side of the nut to be inserted by a bolt of a mating connector and a first columnar space located on a rear side of the nut to receive a distal end portion of the bolt. The method includes the three steps. The first step is setting said metal mold in such a state that said nut is held by a front projection portion and a rear projection portion. This front projection portion projects rearwardly and having a small diameter portion and a portion having larger diameter than said small diameter portion. This rear projection portion projects forwardly to be in contact with a rear end face of said nut. The second step is injecting a melted resin in said metal mold.

Abstract: A bolt, rivet or similar fastener for fastening separate structural parts has a shank, and a tubular cover member covering at least part of the periphery of the shank for preventing a stress from concentrating in part of the shank. The cover member is made of a material having greater deformability or greater elastic strain energy than the material constituting the shank or is made of a material having a relatively small coefficient of friction. When vibration or impact acts on the fastener, the cover member disperses the resulting stress to protect the shank against breakage.

Abstract: A coated fastener includes a coating comprised of one-hundred percent dry solids which is virtually free of solvent emissions when applied and during curing, covers substantially the entire exterior of the fastener, provides a protective coating to the fastener against corrosion, enables the fastener to be adhered to at least one other fastener, and provides increased holding power of the fastener after the fastener is driven into a desired surface.

Abstract: The surface layer of a hard austenitic stainless steel screw is formed as nitrided layer and then is covered by a plating coat or a resin coat to give properties such as shortening the boring time as well as heightening the surface hardness of the screw itself.

Abstract: An improved railroad frog bolt-nut assembly is disclosed. The bolt has a square head and a shank. The shank has an unthreaded portion adjacent the head and a threaded portion at its terminal end. The threaded portion is rolled to a diameter equal to the shank's unthreaded portion to produce high fastener strength. A unitary lock nut is formed with an annular boss extending from it's outside end in which indentations intersecting with some of the nut threads are pressed to provide an interference, locking fit with the bolt threads.

Abstract: This invention describes self-locking threaded fasteners having a patch or patches of fused high-temperature-resistant resin adhered to a portion of the threads, providing self-locking capabilities at temperatures above 400.degree. F., well beyond the range of temperatures attainable using prior art patch materials such as nylon. A process for making such fasteners by spraying finely-divided high-temperature-resistant resin powder onto the threads of a fastener also is claimed.

Abstract: The disclosure herein describes a sealing device for a use in a sealed double glazed window assembly consisting of a pair of glass sheets arranged in spaced parallel relationship to form an air space therebetween and of a spacing unit disposed between the inner marginal edges of the glass sheets. The device comprises a flexible plug that fits into holes made in the spacing unit to allow a gas to be injected into the space between the sheets. A blind rivet is provided within the plug and when an outward pull is exerted on the rivet, an expansion of the plug results to thereby sealingly contain the gas injected between the glass sheets.

Abstract: A composite fastener member, in one form, having integral head and shank portions is defined by a plurality of superimposed composite fiber reinforced sheets spirally wound about a longitudinal axis. A plurality of fastener members, oppositely disposed within an opening in an article, define a fastener especially useful in joining lightweight composite structures such as aircraft or aircraft engine components. In another form, the ends of a single spirally wound composite fastener member are splayed to fasten a plurality of sheets.

Abstract: A covering device comprising a cap of flexible material having at least one recess, that is penetrable by a fastening element. The recess is enclosed by a cup-spring-type area which is formed in one piece with the cap.

Abstract: This invention relates to threaded fasteners, an apparatus for making such threaded fasteners and methods of fastening parts. The tip of the shank of a threaded fastener has at least one thread coated with a lubricating or masking material to reduce the drive torque necessary for fastening as well as provide a protective coating for the fastener during subsequent processing operations. The drill tip of the disclosed self-drilling fasteners is coated with a lubricating material to reduce drive torque and to eliminate binding when drilling through fibrous material. The present invention also prevents the build-up of corrosion inhibiting materials on threaded fasteners attached to parts to be fastened together. A masking and/or insulating material is first applied to the threaded fasteners attached to the parts to substantially prevent applied corrosion inhibitor from adhering to the threads of the fastener.

Abstract: A structural member comprising a main body molded of synthetic resin, an insert portion molded from a engineering plastic having better functional properties at least in respect of strength than those of an ordinary synthetic resin and a metallic reinforcement ring entirely embedded in the structural member between the main body and the insert portion is disclosed. The foremost end part of another member is threadly engaged with a plurality of female threads around the inner surface of the insert portion or press fitted into the insert portion.

Abstract: An expansion dowel has a friction reducing coating on the contacting surfaces formed by an inside surface an an expansion sleeve and an outside surface of the shank contacting the inside surface of the sleeve. The coating effects a smaller friction value between the expansion sleeve and the expansion part than the friction value between the expansion sleeve and the surface of a borehole into which the dowel is inserted. This difference in friction assures an effective re-expansion of the expansion dowel in a fractured or broken tensile zone of a receiving material containing the borehole. In addition to the coating, protrusions arranged in pairs are formed on the outside surface of the expansion sleeve for maintaining contact with the borehole surface, particularly in the broken tensile zone during large displacement of the expansion dowel.

Abstract: A coated metal fastener and a coating composition that has particular affinity for plaster materials and the like is disclosed. The composition that is applied to the fastener contains a copolymer of styrene and maleic anhydride and a thermoplastic resin, preferably polyvinyl acetate, in an inert organic solvent. The organic solvent can be an aromatic solvent, a ketone, a chlorohydrocarbon, or a mixture thereof. The composition is applied to the fastener by conventional methods and cured thereon at about ambient temperature.

Abstract: A fastener having an elongated shank formed of a shape memory alloy, a head at the upper end of the shank, and an annular segment at the lower end of said shank having a deformed cross-sectional shape suitable for insertion into an opening extending through adjacent workpieces. The annular segment has a frusto-conical trained shape that is larger than this opening. The annular segment radially flares from the deformed shape to an approximation of the trained shape when heated above a critical transformation temperature, thereby securing the fastener in place with respect to the workpieces. Alternatively, a sleeve made of a different material (e.g. aluminum) extending over a portion or the entire length of the fastener can be added for improved deformational characteristics, by providing the same frusto-conical shape through axial contraction of the shank.

Abstract: A flexible retainer which may be used to attach papers and the like to a wall, bulletin board, etc. includes a body formed from flexible material with a spacer section and at least two finger grips extending outwardly away from the spacer section, and at least two pins extending from the body away from the finger grips, the pins normally disposed in a non-parallel configuration so as to define an angle therebetween. The body is deformable to temporarily align the pins in a substantially parallel configuration for insertion thereof into a wall or other surface.

Abstract: A leveler for adjustably selecting and thereafter maintaining a selected spacing interval between two parts comprises a base adapted to be fixedly mounted on a first part and including a threaded element therein. An elongated threaded support post is mounted in adjustable threaded engagement with the base and is selectively adjustable to extend outwardly thereof. A bumper formed of resilient material is secured to an outer end of the support post and includes a bearing surface for supporting engagement with a second part to be spaced from the first part. The base includes a lock for frictionally engaging the threaded support post for preventing unwanted rotation once the desired spacing interval is manually selected.

Abstract: The anchor bolt assembly is of the tensionable type used in mine roofs and the like in which the anchor bolt assembly is positioned in a bore hole of a rock formation. The bolt assembly includes an elongated bolt shaft with a head at one end and is threaded on the other end and has a mechanical expansion anchor on the threaded end. A bearing having a central opening is positioned on the bolt to engage a face of the rock formation. A two faced graphite coated washer is positioned on the bolt between the bolt head and the bearing plate. During installation, the washer acts as an anti-friction bearing between the bolt head and the plate to improve the torque to tension relationship.

Abstract: A vehicle superstructure, in particular for railway carriages to transport passengers, features a structural frame formed by side and end walls and roof. This forms an outer structural plane for the carriage superstructure which is covered by an outer skin and roof cover; insulating material is fitted between the structural plane and the outer skin and roof cover. The outer skin panels are on the one hand loosely mounted via spacers hooked into grooves in sections permanently attached to the carriage frame or outer structural plane, on the other hand releasably attached via other spacers to the structural plane or held by holders secured to sections of the carriage frame with interleaving insulation.

Abstract: A fastener, and a process and apparatus for coating fasteners, in which a resin type material is applied to the fastener is disclosed. A stream of resin type material is directed to each fastener and the threads of each of the fasteners, the threads may be covered over an arcuate variable length including complete 360.degree. coverage. The resin type material applied may be a masking material, a lubricating material and/or an insulating material enabling an accurate and consistent torque-tension characteristic to be maintained during coupling of the fastener in a variety of post-processing environments. Furthermore, the resin type material applied to the fastener is substantially resistant to the deposition of corrosion resistant or preventative materials.