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| Number | Title | Issue Date |
| 7396287 | Blind rivet A blind rivet formed with a tubular shell, and a mandrel extending through the shell. The shell has an outwardly extending flange at one end forming a rivet head, and having a first set of radial indentations arranged around the periphery of the shell at a first dis... | 07/08/2008 |
| 7347075 | Methods for the cold extrusion of metallic elements with dead or through holes and plant for carrying out said methods Cold extrusion procedures for obtaining metal elements such as for example bushings, nuts or other elements with dead or through holes, screws, standard and special shape extruded or pressed products, etc. on a machining center comprising a series of hydraulic press... | 03/25/2008 |
| 7308816 | Forming machine having transmission mechanisms A forming machine includes a first transmission mechanism connected to a cutting mechanism and a conveying clamp mechanism, a drive mechanism for driving the first transmission mechanism; and a second transmission mechanism driven by the drive mechanism for driving ... | 12/18/2007 |
| 7303366 | Three part blind fastener The current invention is directed to a three piece blind fastener comprising a mandrel 40, a tubular body portion of 10 and a radially extending flange 14, wherein the cylindrical body 10 is mounted on an elongate stem 42 of the ma... | 12/04/2007 |
| 7237424 | Split die for forming grooved workpiece A method of forming a radially expandable externally grooved tubular fastener from metal, comprising the steps of providing a suitable tubular blank (11) having a tubular wall (12) and squeezing the tubular wall between an internal member (17) w... | 07/03/2007 |
| 6994486 | Functional element and panel assembly A method for placing a functional element, especially a fastening element, in an especially liquid-tight and/or gastight manner, on a metal part. The inventive method is characterized in that a functional element provided with a hollow head segment is pressed agains... | 02/07/2006 |
| 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 |
| 6447399 | Method of forming a tubular member A method of forming a tubular member with longitudinal slots along part of its wall, comprising the steps of: firstly, forming longitudinal zones of weakness along part of the wall of the tubular member, and secondly, expanding the said part of the tubula... | 09/10/2002 |
| 6371708 | Spread rivet and method of production The expansion rivet consists of an expansion peg and a drive-in pin, which in the preassembled state of the expansion rivet are captively joined together. In its midsection, the expansion peg has an insertion hole adapted to the form of the drive-in pin, ... | 04/16/2002 |
| 5957777 | Method of manufacturing fasteners The invention relates to a method of manufacturing fasteners such as self-piercing rivets, self-piercing studs, plugs, inserts, etc.. In such method a blank is provided and said blank is subjected to a rolling process causing material of the blank to flow... | 09/28/1999 |
| 5478280 | Method of making a tubular body having a deformable internal skirt A tubular body (74, 102) having a deformable internal annular skirt is made from a blank (10, 80) having a stopped bore (20) which terminates at an end wall (24). First, an aperture (40) is formed in the end wall (24) to provided a through bore, of which ... | 12/26/1995 |
| 5403135 | Blind rivet nut with pulling mandrel A blind rivet nut with a pulling mandrel, having a flanged rivet tube with an internal thread has the pulling mandrel in the form of a cap screw, the cap being used to engage a setting tool. The cap screw is a self-tapping screw.... | 04/04/1995 |
| 5333980 | Buckling semi-solid rivet A rivet for joining two panels together including a solid member and a member having a tubular portion surrounding part of the solid member. In one form, the rivet has a solid shank and a tail with a tubular forward portion. The shank extends entirely thr... | 08/02/1994 |
| 5273385 | Blind hole integral rivet A method of forming blind hole rivets by displacing metal from a relatively thick base metal includes positioning a die against one side of the base metal having a cavity mating with the projection. A tool having a reduced diameter forward portion is pres... | 12/28/1993 |
| 5259713 | Blind rivet nut with pulling mandrel A blind rivet nut with a pulling mandrel, having a flanged rivet tube with an internal thread has the pulling mandrel in the form of a cap screw, the cap being used to engage a setting tool. The cap screw is preferably a thread-cutting screw.... | 11/09/1993 |
| 5167585 | Blind riveting assembly A blind rivet assembly comprising a flanged rivet body and a mandrel having a stem provided with extension means wherein wire fed to mandrel-forming means is first subjected to at least one operation to form a series of indentations on the surface of the ... | 12/01/1992 |
| 5046348 | Blind fastener for composite materials The fastener assembly includes a generally solid pin, positioned within a tubular fastener body and a buckle sleeve. The fastener body has a generally cylindrical configuration and includes an enlarged head adjacent one end thereof, an intermediate shank ... | 09/10/1991 |
| 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 |
| 4442562 | Method of forming anchor bolts The outer prongs and inner expander of an anchor bolt are formed from a cylindrical metal blank with an axis, by lengthwise cutting the blank in planes which subtend different parts of the blank periphery and are inclined inwardly toward one end of the bl... | 04/17/1984 |
| 4335479 | Method and apparatus for making blind rivets In the manufacture of a blind rivet, a threaded mandril is positioned endwise in a flanged, cylindrical, rivet body. The mandril-containing body is then advanced into a work station between a pair of spaced-apart, C-shaped die sections. The die sections a... | 06/22/1982 |
| 3978538 | Method for making shouldered tubular rivets A method and apparatus for forming shouldered tubular rivets is disclosed in which three forming operations are provided, two of which are performed in a single die station. In the first operation, the head end of the blank is squared and the inner end is... | 09/07/1976 |
