U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5719655

System for magnetically attaching templeless eyewear to a person

A system of eyewear that eliminates the need for hinges on the frames of the eyewear.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 72/86 - Using angularly related roller-couple acting parallel to axis of work rotation


Subclass of Class 72 - Metal deforming
Definition: Subject matter including a roller couple* wherein
No. of patents: 15
Last issue date: 03/04/2008


NumberTitleIssue Date
7337698Adjustable pipe shaving device
A pipe shaving device for removing a uniform layer of material from the outer circumference of a pipe is provided. The device comprises a first frame member providing at least two support surfaces for the pipe, a second frame member slidable with respect to the firs...
03/04/2008
7082796Circular and oval flanged rings for ducting and method of making
A method of making Circular and Oval Flanged Rings, for the connection of thin walled circular and oval ducting, including Circular and Oval Flanged Rings having a Sheet Metal and Air Conditioning Contractors National Association (SMACNA) standard T24 Profile. Thin ...
08/01/2006
7003998Apparatus for forming a flange at the end of a conduit
Apparatus for shaping a conduit to form a radially outwardly projecting flange at an end thereof includes a holding fixture, a collar surrounding the conduit disposed in an opening in the holding fixture, rotation imparting structure engaging the collar for simultan...
02/28/2006
6907762Method and forming machine for deforming a hollow workpiece
The invention relates to a method and a forming apparatus for deforming a hollow tubular workpiece, wherein the workpiece is clamped down in a clamping device, a first forming tool is placed into contact with the outer surface of the workpiece, the tool is rotated a...
06/21/2005
6672122Apparatus and method for conditioning the outer flanges of a vehicle wheel
An apparatus adapted to condition the outer flanges of a vehicle wheel includes a main base assembly secured to a fixed surface, a lower tool assembly operatively supported by the main base assembly, at least one upper drive assembly operatively supported...
01/06/2004
6644083Spin forming a tubular workpiece to form a radial flange on a tubular flange and a bead or thick rim on the radial flange
A cylindrical workpiece (20) is mounted onto and connected to a mandrel (14) that is itself mounted for rotation about a vertical axis (12). A first end portion of the workpiece (20) is housed within the mandrel (14). A second end portion projects axially...
11/11/2003
6598285Bordering and/or crease-closing machine and method for operating the same
Formerly, several machines or workstations have been required for bordering and closing creases, especially on pipes used in ventilation technology. The invention provides a machine that can carry out all of the operations without the workpiece having to ...
07/29/2003
6494072Method of and device for forming a clutch gear toothing on gearwheels for change speed gears
A method of manufacturing a gearwheel (10) by clutch gear tooth forming with an axial undercut and a roof-shaped entry geometry consists in causing the gearwheel blank to perform a rotating movement and to cause profiled shaping tools in the form of rolls...
12/17/2002
5640867Method and apparatus for forming a rim on a lamp reflector
In a method of forming a rim on a lamp reflector, a forming roller is positioned on one side of the reflector rim to be formed and a support roller is positioned on the other side. The reflector is rotated about its center axis and the rollers are rotated...
06/24/1997
4996859Method and apparatus for roll forming metal
A method and apparatus for producing a disc structure. The disc provides a radially extending annular wall formed by pressing a workpiece against a contoured tool with a pressure roll. The contoured tool and workpiece move relative to the pressure roll ab...
03/05/1991
4615196Two roller, tilting bridge type machine for the production of tank bottom
The machine according to the invention is used for shaping bodies of rotation--preferably tank bottoms--fixed with radius, by metal spinning between two rollers without the need of costly metal spinning mushroom. The tank bottom is shaped from sheet metal disc...
10/07/1986
4291559Sheave making apparatus and method
Disclosed are an apparatus and method for making a sheave by forming an external annular radial groove in the periphery of a circular workpiece. The apparatus includes a support for supporting the workpiece for rotation about its own axis. At least one gr...
09/29/1981
4134284Method and apparatus for the manufacture of hollow bodies
Hollow bodies are produced from deformable plane or conically shaped blanks by rotating the blanks about an axis extending at least approximately through the cross-sectional center of gravity of the hollow body to be formed and simultaneously forming undu...
01/16/1979
4084419Method for manufacturing annular metal workpieces
A method of manufacturing annular metal workpieces which have a deeply profiled cross-section, such as a blank flange, comprises heating the workpiece bloom or bar to a forging temperature and upsetting and piercing the workpiece to form a pierced blank. ...
04/18/1978
3939684Two-roll machine for rolling-out disc-type articles
A machine, comprising a portal-type bed, two slide rests located on circular guides rotatably mounted about shafts fastened to the bed, rolling heads mounted each in a corresponding slide rest so that they are capable of shifting with respect to the slide...
02/24/1976
 
Sign InRegister
Username  
Password   
forgot password?