Class 470/21 - Fusible or deformable type

Subclass of Class 470 - Threaded, headed fastener, or washer making: process and apparatus
Definition: Subject matter wherein the means comprises a metallurgical
No. of patents: 35
Last issue date: 09/09/2008

Number	Title	Issue Date
7421875	Cold-headed standoff A process for cold forging a metal fastener such as a self-clinching standoff includes a punch and die set at the final head trimming station which produces the shear burr only on the underside of the fastener head where it is not visible after installation. A knock...	09/09/2008
7329191	Section for the manufacture of hollow body elements, hollow body element and component assembly A section (10; 110) is provided for the manufacture of hollow body elements, in particular for the manufacture of pierce and rivet nuts having a square or rectangular outline in plan view and a ring-like piercing section (36; 236) at a side confronting...	02/12/2008
7314417	Method for the manufacture of hollow body elements, hollow body element and also progressive tool for carrying out the method A method of manufacturing hollow body elements such as nut elements for the attachment to components consisting normally of sheet metal, in particular to the manufacture of hollow body elements with an at least substantially square or rectangular outer periphery by ...	01/01/2008
7172483	Method of making metallic shell for spark plug, method of making spark plug having metallic shell and spark plug produced by the same A method of making a metallic shell for a spark plug. The metallic shell includes a multi-stepped through hole, an intermediate tubular portion, a tip end side tubular portion and a base end side tubular portion. The through hole includes a large diameter hole secti...	02/06/2007
7146713	Method of manufacturing a base plate A method for forming a base plate in which the base plate is stamped out of a sheet of metal. One of a relief surface and a boss are formed in the base plate by press working the base plate. ...	12/12/2006
7112142	Method of cold forming a self-attaching female fastener element A method of cold forming a self-attaching female fastener (20) which includes deforming a fastener blank (120) having an annular pilot, (122) an annular flange (128) surrounding the pilot and a groove (132) in the flange having cyl...	09/26/2006
7014404	Nut member with tightness-indicating protrusions and loosening-preventing recesses A nut member has first and second end faces and corners, and is formed with a plurality of protrusions, each of which is disposed at a respective corner and each of which has a lateral inner face that extends from the second end face, and a plurality of recesses, ea...	03/21/2006
7013550	Method of making self-piercing nuts A raw parallelepiped metal piece is pressed into a closed mold to provide a nut blank that has a generally square pilot portion (14) for piercing a metal panel, the nut blank having a pair of flanges (16) that continue from opposite side walls (15	03/21/2006
7011584	Self-attaching female fasteners and method of forming female fastener elements A method of forming a female fastener including rolling a body portion strip having a midportion and flange portions on opposed sides of the midportion, piercing spaced openings through the midportion, cutting the strip to length between the openings, cold forming a...	03/14/2006
7004845	Manufacturing process of a clinch nut and clinch nut achieved by such a process A manufacturing process of a clinch nut consists in forming a recess zone in a rough casting by cold heading so as to obtain a rough part. The rough part then undergoes a thermal annealing treatment followed by a cold heading operation enabling a bore to be formed d...	02/28/2006
6908395	Lock nut member A threaded locking beam nut having a plurality of locking beams configured such that the inside edge surface of each locking beam has a radially inwardly angled surface thereby forming substantially a V-shaped channel between adjacent beams. ...	06/21/2005
6755747	Method of manufacturing an expansion sleeve A method of manufacturing of an expansion sleeve including providing a sleeve blank having axially extending material weaknesses (9), and forming the longitudinal slots (5) by tearing open the material weaknesses (9) by substantially radially ex...	06/29/2004
6561913	Cold head stamped fastener inserts including selectively removable tangs The present invention provides for fastener inserts and methods of manufacturing the same. The fastener inserts include selectively removable tangs which can be broken away more cleanly than with other commercially available fastener inserts. Further, the...	05/13/2003
6296573	Self-locking internally threaded fastener and method of manufacture 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 100/10...	10/02/2001
5624319	Process for production of a two-part cage nut A process for production of a two-part cage nut from a single metal plate. The cage nut includes a nut slidably carried on a holding part. The nut includes a base plate having a threaded sleeve. The holding part includes a holding plate having an aperture...	04/29/1997
5518768	Method and apparatus for making retaining elements A method and apparatus for the application for one or more deposits of material to a succession of discrete articles such as fasteners as is provided. The method and apparatus of the present invention deposits a droplet or extended bead of thermoplastic o...	05/21/1996
5181310	Method of making a threaded insert assembly A method of making a threaded insert assembly for sheet material wherein a threaded insert that is a single unitary element is installed in a closely fitting hole in the sheet material with its threads occupying the hole. The sheet material around the hol...	01/26/1993
5122020	Self locking fastener Reusable self locking fasteners, and methods of making the same wherein the self-locking characteristic is derived from a metallurgically bonded metal patch comprising a metal or metal alloy selectively applied to a specific region of the threaded surface...	06/16/1992
5016461	Method and apparatus for stamping weld adapters A progressive die apparatus and method for cold forming weld adapters. A progressive die apparatus, preferably having at least four working stations and several idle stations, is used to form, weld adapters from rectangular bar stock having a thickness of...	05/21/1991
4987761	Method of forming a device including an integrally formed nut A simplified nut having a substitute "thread" in the form of an edged flat which can receive a threaded member. The flat or flats are swedged from material preferably in sheet form surrounding a smooth bore opening in which the flat(s) entirely extend. Th...	01/29/1991
4963063	Captive panel fastener A captive panel fastener includes a head, a shank, internal threads, and external, longitudinally extending slots extending from near the head to near the shank's outer end. A washer is provided and the washer has inwardly extending prongs that fit into t...	10/16/1990
4825932	Method of making diecast inserts A screwthreaded insert comprises a series of generally cylindrical body portions provided with inclined ribs or teeth, with the teeth of one portion extending in the opposite direction to those of the next adjacent portion, and the successive toothed port...	05/02/1989
4549269	Methods and apparatus for making prevailing torque nuts To impart prevailing torque to a nut, it is squeezed between two jaws. The moment that the nut contacts both jaws is determined by monitoring the relative acceleration of the jaws. The displacement of the jaws at this time gives the dimension across the f...	10/22/1985
4527299	Method for forming an internal thread in a hollow body To manufacture a nut, a piece of plate material is bent to form a tube (9) which is placed over a mandrel (8) and clamped together around the mandrel, first by means of a pair of spring-loaded dowels (5) and thereafter by two clamping jaws 1, 2. The mandr...	07/09/1985
4520521	Process of manufacturing a sleeve and wedge for an anchor bolt A structure and method of manufacture of a sleeve for an anchor bolt which has a wedge held in its bolt hole, not separate from the sleeve body. The wedge is formed by striking the sleeve from the side opposite to the bolt hole on an area smaller than the...	06/04/1985
4506399	Method of making strut nuts A method of making a nut adapted for use in combination with a structural member commonly known as "UNISTRUT". The structural member or "UNISTRUT" as in one face, a longitudinal slot bordered by inwardly projecting flanges. The nut has serrations in one f...	03/26/1985
4501041	Process of forming friction A novel friction nut having friction material substantially filling the interior thread groove from end to end except for substantially less than a full convolution at one or both ends, in which the thickness of the deposit of friction material does not s...	02/26/1985
4450616	Method of ensuring the tightness of a bolt and a nut The disclosure relates to a method of insuring the tightness of a fastener including forming a three-dimensional annular member in an austenite phase using a press, cooling the annular member to a temperature lower than the temperature for starting an aus...	05/29/1984
4422196	Method of forming a torque nut A prevailing type torque nut, and method and apparatus for manufacturing such a nut. The nut is formed with two locally deformed locking portions which are formed in such a way that the remainder of the threads extending between the locking portions is su...	12/27/1983
4367060	Method of making a seal nut An improved method of manufacturing a sealing nut having a sealing ring insert is disclosed. The process eliminates the costly step of machining an undercut into the counterbore of the nut blank to provide a means for retaining the sealing ring in place. ...	01/04/1983
4364136	Formation of threaded elements having a self-locking action A fatigue resistant self-locking fastener is formed by screwing two threaded elements into engagement with a part having a thread which is slightly off-size with respect to the threads of those elements, locating the two elements just in contact with one ...	12/21/1982
4359794	Self-locking fastener and a stamp for making said fastener A male die for making a self-locking threaded fastener where the die has a planar working surface with a plurality of elongated teeth on the surface. The teeth are arranged in a plurality of groups with the teeth of each group extending parallel to each o...	11/23/1982
4114217	Die assembly A die assembly comprising a reinforcement case formed with a tapered bore, a forming die inserted into the tapered bore from therebelow, and a stock die supporting the forming die in fitting contact with the bottom of the forming die and formed at its low...	09/19/1978
3955231	Cup nut mass production process The present process is especially suitable for economically producing cup nuts in large quantities by conventionally manufacturing the nuts and by deep drawing the cups separately from sheet metal in a single step to provide the cup with an outwardly faci...	05/11/1976
3938209	Formation of fasteners having threads formed of coil structures The method of manufacturing a threaded nut having a case containing a separately formed essentially helical coil structure which forms an internal thread and is fusion bonded to the case, preferably by electron beam welding. The coil structure desirably h...	02/17/1976

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Class 470/21 - Fusible or deformable type