Class 470/16 - Formed by extrusion

Subclass of Class 470 - Threaded, headed fastener, or washer making: process and apparatus
Definition: Subject matter having a step of shaping by forcing the fastener
No. of patents: 24
Last issue date: 05/20/2008

Number	Title	Issue Date
7374494	Fluid connector The present invention relates to a method for manufacturing a bolt that includes an axis, including the steps of providing a metal rod, providing a die, extruding the metal rod through use of the die, cold forming the metal rod, at least in part, to provide a shaft ...	05/20/2008
7357726	Method of producing a fibre reinforced structural element A method of producing a fibre reinforced structural element including a plurality of fittings for the fixation of the element to another structural element, includes the steps of: (i) providing a core element of fibre reinforcement material having an end part; (ii) ...	04/15/2008
7340978	Method and apparatus for making a rotary tool for chip removing machining A method for manufacturing a rotary tool for chip removing machining with at least one chip flute that extends in the longitudinal direction of the tool. The method involves preparing a mixture of a cemented carbide, cermet or ceramics powder and a carrier, such as ...	03/11/2008
7331743	Lobed drive for hi-lite fastener A drive socket for a male threaded fastener includes three rounded lobes of equal radius which are located equidistant from the center of the fastener and 120° apart from each other. The drive socket also includes three flat surfaces, each flat surface being locate...	02/19/2008
7226262	Lobed drive for hi-lite fastener A drive socket for a male threaded fastener includes a plurality of rounded lobes of equal radius which are located equidistant from the center of the fastener and an equal distance from each other. The drive socket also includes flat surfaces located opposite the l...	06/05/2007
7077755	Method of preparing ultra-fine grain metallic articles and metallic articles prepared thereby An apparatus and method are provided for angularly extruding a workpiece through a die to form blanks and articles having refined grain structure. The die is also used to form the workpiece to a desired shape, such as a cylinder. The angular extrusion method can be ...	07/18/2006
7040850	Fastener for use with frangible material A metal fastener for frangible material has a threaded shank, a head proximate one end of the shank and a tip at the opposite end. The fastener has a coarse pitch and relatively large ratio of major to minor diameters suited for securing the fastener into frangible ...	05/09/2006
6540619	Bolt and a manufacturing method thereof The object of the present invention is to prevent the encroaching and the seizure between the bolt and the female screw caused by an oblique screwing of the bolt into the female screw when the bolt and the female screw are fastened together. Another objec...	04/01/2003
6390929	Method for making drive sockets A method of making a recess in a drive socket and the like includes forming a groove to extend along a face of an elongated drive opening in a metal workpiece from one end of its drive opening, moving material from the surface of the groove to increase it...	05/21/2002
6287210	Process of forming a twisted, spirally grooved member and the member formed thereby A novel process of forming a member, process of forming an extruded and axially twisted member, such as a drill, a fastener, a self-drilling/tapping fastener, and the member formed by the process is disclosed. The process includes the steps of: providing ...	09/11/2001
6267684	Rivets and rivet manufacturing methods The present invention comprises aluminum solid rivets and methods of manufacturing aluminum solid rivets for aircraft and other demanding applications to provide rivets with high strength and excellent driveabiltity while improving the rivets resistance t...	07/31/2001
6086480	Process for manufacturing a captive screw A method of making a knob and ferrule for a captive screw is disclosed, the knob integrally attached to the screw, the ferrule attachable to a panel. The method of making the knob includes providing an aluminum alloy base metal for the knob, pressing by c...	07/11/2000
6017274	Method of forming a fastener In a first embodiment, a method for forming a hardened fastener having a hardened fastener head. Alloys made of cobalt, nickel, chromium, and molybdenum have very high hardnesses while maintaining ductility. Metals conforming to the chemistry of AMS 5844 ...	01/25/2000
5895324	Process for forming axially-extendable bolt by upsetting An axially-extendable-bolt forming process by upsetting includes preparing a die having a through bore, and an internal upsetting cavity and a buffer space, a rod-shaped bolt precursor and a knock-out member, primarily pressing a leading end of the bolt p...	04/20/1999
5795234	Process for forming bolt In a process for forming a bolt, a die, a rod-shaped knock-out member, and a punch are prepared. The die has opposite end surfaces, a through bore opened to one of the opposite end surfaces, and a space connected with the through bore and disposed substan...	08/18/1998
5054146	Anchor bolt A method of making an anchor bolt with a thread on a section thereof comprising the steps of providing a metal bar (1) of circular or near circular cross-section having a diameter which is substantially equal to the pitch diameter of the thread to be prov...	10/08/1991
4966024	Method of forming a screw threaded fastener A screw threaded method of making fastener particularly intended for use in fastening corrugated sheet material to metal purlins comprises a drilling point (1), a head (2), a first self-tapping screw threaded portion (3) adjacent the drilling point (1), a...	10/30/1990
4962806	Method of producing non-corrosive headed composite fasteners A composite fastener includes a metal fastener having a shank with an entrant end and an integral insert. A bottom surface of the insert has a greater diameter than the diameter of the shank. The bottom surface also has a lip extending about the periphery...	10/16/1990
4635310	System for producing two separate sets of fasteners A system for producing a first and second series of blind fasteners each in uniformly varying grip increments for securing workpieces varying in total thickness, each blind fastener comprising a tubular sleeve, a pin and lock collar, the sleeve adapted to...	01/13/1987
4586231	Manufacture of metal articles from wire A multipart article comprising a rod or pin (26) with a sleeve or collar (58) on it is made from one piece of wire by parting off a blank, impact extruding a stem to form the pin or rod, backward extruding a residual portion of the blank to form the sleev...	05/06/1986
4376334	Method of making terminal clamp assembly The invention provides a terminal clamp assembly comprising a fastener and one or more captive members and a method for making such a terminal clamp assembly. The terminal clamp assembly comprises a threaded fastener including a driver head portion, a thr...	03/15/1983
4296512	Method for making fasteners A method for making a fastener having a head and a shank from wire or rod consisting essentially of AISI 200 or 300 series stainless steel comprising the following steps: (a) cooling the wire or rod to a temperature of less than about minus 75° C.; (b) d...	10/27/1981
4281429	Method for making fasteners A method for making a fastener having a head and a shank from a slug consisting essentially of an AISI 200 or 300 series stainless steel having an Md30 temperature in the range of about minus 50° C. to about 50° C. comprising the following st...	08/04/1981
4166373	Method of cold forming The invention relates to the cold extrusion of a part having a polygonal interior and a cylindrical exterior. Instead of the usual process of forcing a polygonal punch into a billet in a single extrusion step, the new method employs a plurality of extrusi...	09/04/1979

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Class 470/16 - Formed by extrusion