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Class 470/91 - And plural punches


Subclass of Class 470 - Threaded, headed fastener, or washer making: process and apparatus
Definition: Subject matter further provided with two mechanisms wherein
No. of patents: 13
Last issue date: 06/17/2008


NumberTitleIssue Date
7387575Method of manufacturing hollow body elements, section for use in the method, hollow body element, component assembly and die
The invention relates to a method for producing hollow bodies (11, 211, 411) such as nut elements to be fastened to components (13, 213, 413) that usually consist of sheet metal. The invention especially relates to a method for producing hollow bodies ...
06/17/2008
7367893Fastener manufacturing apparatus and method
An assembly line for continuously manufacturing fasteners from a rod with a groove for receiving a wire for retaining the fasteners in a strip includes a receiver for receiving the rod. A die press is arranged to receive the rod from the receiver and includes a pier...
05/06/2008
7347075Methods 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
7338245Self-attaching nut
A self-attaching nut for installation in a panel by a plunger driven against the bottom face of the nut, the bottom face of the nut including parallel rails on opposed sides of a channel-shaped recess and a threaded bore through the recess, eliminating the requireme...
03/04/2008
7329191Section 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
7314417Method 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
7090451Method for producing hollow bodies, profile for use in said method, hollow body, assembly unit and mold
The invention relates to a method for producing hollow bodies such as nut elements to be fastened to components that usually consist of sheet metal. The invention especially relates to a method for producing hollow bodies with an at least substantially square or rec...
08/15/2006
7013550Method 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
7004845Manufacturing 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
6997814Long barrel T-nut
An elongated T-nut fastener is formed from a single piece of material. The fastener includes a barrel and a flange, with a threaded portion in the barrel and an unthreaded portion beyond the threaded portion. Fastening sites are provided at spaced locations along th...
02/14/2006
5618237Apparatus for making self-piercing nuts
An apparatus makes self-piercing nuts from blanks (11) each having a cylindrical pilot portion (13) which has a raw unopened and unthreaded bore (12) and an end surface serving as a punch. The pilot portion surrounded by a rim (14) extending along a perip...
04/08/1997
5263356Progressive former and method of producing same
A progressive former and method of producing progressive formers is disclosed in which the bed frame is formed of two side frame members and a spacer member. The two side frame members and the spacer member are substantially fully machined before the side...
11/23/1993
4175417Workpiece forming machine
A high compression forming machine for forming workpieces such as nuts or like objects includes a toggle action subassembly for operating a Geneva-driven opposed-rams-press and cooperant vertically-disposed multiposition bolster or turret rotatably mounte...
11/27/1979
 
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