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| Number | Title | Issue Date |
| 7416376 | Partially coated fastener assembly and method for coating A fastener assembly includes a row of fasteners having a head, a tip, and a portion of a shank coated with a polymer composition. The polymer composition includes a polymer material such as polyurethane and metal particles. The polymer composition is used to provide... | 08/26/2008 |
| 7326015 | Electrically insulated wedge thread connection An electrically-insulative threaded connection includes a pin member having a pin thread and a box member having a box thread. An insulating composite layer is disposed between the pin thread and the box thread. The insulating composite layer includes an insulating ... | 02/05/2008 |
| 7273337 | Partially coated fastener assembly and method for coating A fastener assembly includes a row of fasteners having a head, a tip, and a portion of a shank coated with a polymer composition. The polymer composition includes a polymer material such as polyurethane and metal particles. The polymer composition is used to provide... | 09/25/2007 |
| 7255521 | Coated, weldable fastener, a method of preventing adherence of a second coating to a fastener portion, and a method fastening Accordingly, this invention provides a fastener system which is weldable to a substructure that overcomes the problems and disadvantages of the fasteners of the prior art. Generally, a weldable fastener is disclosed that has a coating applied to at least one surface... | 08/14/2007 |
| 7195437 | Tapping screw having function of holding female screw shavings The present invention provides a screw comprising a head and a threaded shank, wherein the shank is covered with a coating at least 60% of the length thereof from the end, the coating includes microcapsules that contain a viscous fluid with an appropriate level of v... | 03/27/2007 |
| 7021875 | Coated, weldable fastener, a method of preventing adherence of a second coating to a fastener portion, and a method fastening Accordingly, this invention provides a fastener system which is weldable to a substructure that overcomes the problems and disadvantages of the fasteners of the prior art. Generally, a weldable fastener is disclosed that has a coating applied to at least one surface... | 04/04/2006 |
| 7014409 | Fastening element A fastening element which has a core (16) of a relatively hard, carburized steel and a ferritic rim zone (15) of a less hard, low-carbon steel, includes a stem (11), a head (14) provided at one end of the stem (11), a tip (13 | 03/21/2006 |
| 6979161 | Bolt structure for use with a magnesium alloy member for tightening magnesium alloy members with each other or with a heterogenenous material The present invention provides for a bolt structure for use with a magnesium alloy member that can insulate between magnesium alloy members and steel or other bolts without lowering the bolt shaft power, and prevent occurrence of electrolytic corrosion with an elect... | 12/27/2005 |
| 6866343 | Chisel holder changing system with chisel holder receivers A chisel holder changing system having a base element with a chisel holder receiver, into which a chisel holder equipped with a chisel can be inserted, wherein the chisel holder is inserted with a holder shaft into the chisel holder receivers and is maintained there... | 03/15/2005 |
| 6860687 | Weldable aluminum stud A weld-on part made of aluminum or an aluminum alloy, such as but not limited to a stud (1), which has a surface which is at least partially provided with a layer (5) which contains a titanium containing material. The stud (1) is treated with a ... | 03/01/2005 |
| 6729819 | Bolt lubricating device and method A friction reducing device comprises a stretchable thin film of elastomeric material impregnated or dusted with lubricating material. The thin film adheres to an annular member through which a fastener element having external threads can pass. ... | 05/04/2004 |
| 6599071 | Dual plated fasteners A fastener is embodied as a bolt having a shank with a threaded portion for introduction through an aperture in a work piece is disclosed. The fastener is divided into exposed and unexposed portions when used in the work piece. The fastener comprises a fi... | 07/29/2003 |
| 6464440 | Anti-scratch coating for a tip of an automotive fastener A process for making a fastener having a shank with a head and a flat tip. A polymeric coating is applied to the tip of the fastener. The coating forms a parabolic bubble and is subsequently cured. The bubble prevents damage to a decorative coating of a v... | 10/15/2002 |
| 6386810 | High strength screw An object is to provide a high strength screw in which a high strength steel material not used in the prior art is employed as the tapping screw or gib-head screw or bolt or the like, and moreover, which, by the administering of a carburization hardening ... | 05/14/2002 |
| 6361239 | Bolt with expandable bushing for pivot attachment 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,... | 03/26/2002 |
| 5871321 | Encapsulated fastener 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... | 02/16/1999 |
| 5685680 | Coated threaded fasteners with coating-free crests 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.... | 11/11/1997 |
| 5447399 | Fastener free from a scissoring force 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 mad... | 09/05/1995 |
| 5400845 | Technique for fastening logs and fastener therefor A technique for fastening together logs and a fastener therefor is directed to a self-drilling/tapping fastener which allows the fastener to be driven through the log to be secured without pre-drilling a bore. Counter-bore fins on the fastener head also f... | 03/28/1995 |
| 5304023 | Metal panel fastener A fastener for fastening a pair of metal panels comprises a head which has an annular recess at its underside. A threaded shank has a buttress thread which terminates in a self-driving tip. An sealant/adhesive coating is preapplied to the fastener. The co... | 04/19/1994 |
| 5295774 | Screw and method of making same A screw of the self-drilling and self-tapping kind intended to be used in fastening corrugated or similar cladding to a support structure is disclosed. The screw shank is provided with a feature, such as, for example, a circumferential series of axially e... | 03/22/1994 |
| 5221170 | Coated threaded fasteners 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 d... | 06/22/1993 |
| 5193958 | Coating of screws A method of making a screw threaded fastener (1, 10) for fixing cladding to a building includes the steps of applying a mastic covering (5, 15) to a screw threaded portion (4, 13) of the fastener, and applying a non-sticky protective coating (6, 16) to th... | 03/16/1993 |
| 5160227 | Self-locking nut In a self-locking nut including a threaded upper collar equipped with longitudinal slots in U-shape defining in collar a plurality of circular arc segments compressed by a helical external spring, the spring is subjected to a hot-galvanizing treatment and... | 11/03/1992 |
| 5096352 | Diamond coated fasteners Fasteners and fastening devices made of metals, metal alloys, hard high strength ceramic material and the combination of same, are provided wherein all, a select portion or portions of the fasteners are coated with a thin layer or film of synthetic diamon... | 03/17/1992 |
| 4983083 | Anchor rod An anchor rod has an axially extending anchoring region including an axially extending expansion section widening in the direction the rod is inserted into a borehole in a structural component. The anchor rod is held in the borehole by a hardenable mortar... | 01/08/1991 |
| 4900208 | Roofing fastener A fastener for insulated roofing comprises a non-metallic, screw-threaded shank, having a penetrating point at one end of the shank and a transverse plate carried at the other end of the shank. The shank and transverse plate are preferably integrally meth... | 02/13/1990 |
| 4884934 | Junction bolt with adjustable clamping force A junction bolt for joining members by use of clamping nuts engaged with the junction bolt is provided with an axial inner hollow hole in which a piston member is located so as to define a space between the outer peripheral surface of the piston member an... | 12/05/1989 |
| 4802807 | Threaded fastener A compositely plated, threaded fastener has zinc plating applied to a threaded fastener core and an aluminum plating is applied to the zinc underplating. Optionally, a polymeric top coat can be applied to the aluminum plating for pigmented appearance. The... | 02/07/1989 |
| 4770585 | Device for connecting two parts A device is provided for connecting two parts, of which one forms a recess and the other a counterpiece which can be pushed into the recess, and, to obtain a simple firm connection without the direction of insertion being fixed, there is on at least one p... | 09/13/1988 |
| 4730970 | Selectively hardened self drilling fasteners A process for making self-threading screw fasteners wherein only the cutting portions of the tip of the fasteners are hardened. The unhardened portions of the fastener remain ductile and are not subject to hydrogen embrittlement during subsequent plating ... | 03/15/1988 |
| 4684304 | Composite stud The composite stud is mainly a corrosion-resistant alloy, but is provided with a steel tip for flawless welding to a steel plate for use in a marine environment. The steel tip is friction-welded to the corrosion-resistant alloy before machining of the stu... | 08/04/1987 |
| 4657460 | Self-bonding threaded fasteners and method of curing same The present invention relates to improvements in a self-bonding fastener and to a novel method of curing the bonding material during assembly line fabrication of sheet metal products. The fastener includes a headed self-threading screw member having its h... | 04/14/1987 |
| 4642011 | Composition for rust prevention of metals and threaded metal elements with a rustproof film A composition for rust prevention of metals consisting essentially of (a) an organic silicon compound having an aminoalkyl group and at least one alkoxy group and (b) a compound having at least one oxirane ring. Said composition exhibits its effects parti... | 02/10/1987 |
| 4637764 | Bolt adapted for one-handed tightening by tightening tool A bolt adapted for use in automated manufacturing line such as automotive vehicle assembly line, can be tightened from one side with a mechanical wrench (16). The bolt has a threaded portion (16) engageable with a nut (18), a pin-tail (18) gripped by the ... | 01/20/1987 |
| 4609315 | Corrosion resistant dual tapered head fastener and panel composite A corrosion resistant angled head fastener is disclosed for use with at least two non-metallic panels. The panels defining a bore and a counterbore with the counterbore and a portion of the bore being in one panel and the bore extending through another pa... | 09/02/1986 |
| 4576847 | Threaded fiber-reinforced plastic member and method of coating the same A threaded member made of fiber-reinforced plastic (FRP) obtained by the present invention which is characterized by having at least the threaded portion coated with a crosslinked nylon resin. Accordingly, the surface of the threaded portion is smooth, ex... | 03/18/1986 |
| 4178726 | Method and apparatus for protecting thread on an earth anchor A releaseable telescoping device for protecting the threads of a rod of an earth anchor against corrosion is shown. The releaseable telescoping device has a plurality of sheath sections of dissimilar radii connected by small radially extending flanges the... | 12/18/1979 |
| 4164971 | Threaded fastener product with adhesive coating This disclosure relates to a new fastener means for use on bolts, screws, nuts, threaded surfaces and the like which includes an adhesive composition comprised of a solid particulate adhesive, such as a low molecular weight crystalline adhesive or a high ... | 08/21/1979 |
| 4165242 | Treatment of metal parts to provide rust-inhibiting coatings by phosphating and electrophoretically depositing a siccative organic coating A method of treating metal parts to provide durable and rust-inhibiting coatings is described. The application method can be used to treat single parts or bulk barrel processing of parts. The method comprises the steps of (a) phosphating the metal parts w... | 08/21/1979 |
