Quotables
"The production of too many useful things results in too many useless people."
Karl Marx
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.
| Number | Title | Issue Date |
| 7232053 | Seam-welded air hardenable steel constructions The present invention provides seam-welded, air hardenable steel tubes, methods of manufacturing seam-welded air hardenable steel tubes, tube mills for practicing such methods and applications for using seam-welded, air hardenable steel tubing of the present inventi... | 06/19/2007 |
| 7073259 | Apparatus and method for manufacturing an automotive beam In an apparatus and method for manufacturing an automotive beam for use as a beam in structural components of automobiles, the beam is provided with significant improvements in terms of torsional rigidity and yield strength. The beam improves the overall safety of p... | 07/11/2006 |
| 7036888 | Chair with bight formed in leg A chair comprises a leg. The leg is formed to include a bight extending longitudinally along the leg to strengthen the leg. ... | 05/02/2006 |
| 6908401 | Shaft for use in golf clubs and other shaft-based instruments and method of making the same A shaft for use in a golf-club or other shaft-based instrument, including a base member and a metal layer, and a method of making the same. ... | 06/21/2005 |
| 6898955 | Method for manufacturing a pontoon A pontoon including a substantially cylindrical member having a length in excess of about 14 feet and having no external circumferential welds intermediate the ends of the member and being substantially linear along its length axis. ... | 05/31/2005 |
| 6688513 | Process for producing longitudinally welded tubes In a process for producing longitudinally welded tubes, a metal strip, which is continuously pulled from a supply, is gradually formed into a slit tube and the longitudinal slit of said slit tube is welded. The metal strip (2) is pulled through a pluralit... | 02/10/2004 |
| 6629632 | Apparatus and method for manufacturing hollow shafts An apparatus and method for welding a shaft having an open seam defined between opposed longitudinal edges. The method comprising passing the shaft along its longitudinal axis through an array of pressure rollers which contact the surface of the shaft at ... | 10/07/2003 |
| 6152351 | Process for manufacturing a wheel for a motor vehicle A process for manufacturing a wheel for a motor vehicle, in which a wheel spider and a rim ring are connected with one another by means of friction welding. At least one of these wheel parts consists of a magnesium alloy. The controlling of the speed of t... | 11/28/2000 |
| 6098869 | Seam welding method and apparatus To weld a workpiece rounded from plane metal sheet on a seam welding machine, the workpiece is introduced into a preform (7) whose internal shape is approximately the same as the workpiece. Stops (11, 12, 14) are used to fix the workpiece in place in the ... | 08/08/2000 |
| 6042659 | Method of coating the seams of a welded tube An improved method of coating the welded seam of a metal tube comprising heating the weld area only of the metal tube to a first temperature which is less than the melting temperature of the protective metal coating, applying the protective metal coating ... | 03/28/2000 |
| 5871140 | Hollow shaft and method of making same The invention provides methods of manufacturing stainless steel tubing, pipe and shafts by utilizing air hardenable stainless steel. Such pipe, tubing and shafts have the important characteristics of low weight, shaft flex, torque, bend point and strength... | 02/16/1999 |
| 5732874 | Method of forming seamed metal tube The method of forming a seamed metal tube having a metal coating of this invention includes applying a metal coating to the upper face of a metal strip prior to welding. The strip is then formed into an open seam tube and welded, preferably in a non-oxidi... | 03/31/1998 |
| 5704537 | Method for sheathing a plastic tube with a metal sheathing In a method for sheathing a plastic tube with a metal sheathing, a metallic band (20) is laid around a plastic tube (14), the metallic band (20) comprising longitudinal edges (32) bent to a common side thereof, which are, when the metallic band (20) is la... | 01/06/1998 |
| 5474227 | Method of forming seamed metal tube The method of forming a coated seamed metal tube of this invention is particularly, but not exclusively adapted to existing continuous tube forming mills, wherein the tube is formed from a metal strip and welded with the seam located in an upper portion o... | 12/12/1995 |
| 5344062 | Method of forming seamed metal tube The method of forming a seamed metal tube having a metal coating of this invention includes galvanizing the strip prior to welding. The strip is then formed into an open seam tube and welded in an inert atmosphere with the seam located in the lower portio... | 09/06/1994 |
| 4846392 | Continuously variable speed, die-drawing device and process for metal, composites, and the like, and compositions therefrom A die-drawing and/or extrusion device is described for producing uniform and tapered metal and composite tubes from flatstock and for reducing the size of solid stock and formed tubes therefrom, and lamination of compatable materials in one operation. The... | 07/11/1989 |
| 4732026 | Method of lap welding eventual can blank consisting of metal sheet or the like A method of lap welding an eventual can blank of a metal sheet or the like by passing a lap joint between the upper and lower roller electrodes via upper and lower wire electrodes to be heated and simultaneously applied pressure, thereby forming continuou... | 03/22/1988 |
| 4477501 | Welded can and process for preparation thereof Disclosed is a coated welded can having a metal-exposed face inclusive of a seam covered with a coating, wherein the coating comprises at least one organic resin coating layer and at least one metal film, and at least the portion of the organic resin coat... | 10/16/1984 |
| 4428420 | Heat absorbing element and method of manufacture A heat absorbing element formed from a single metal strip of substantially uniform thickness, comprising a tube having a wall comprising at least a double thickness of strip seamed along a line extending longitudinally of the tube to seal the tube for flo... | 01/31/1984 |
| 4106167 | Frictional method and machine for seaming tubular sections Metal cans are welded by frictional treatment of the materials joined. The treatment is provided by a rapidly rotating smooth hard friction tool e.g. wheel contacting a surface of the metal above the join while the parts joined are held in pressure contac... | 08/15/1978 |
| 4024619 | Method of manufacturing a flat heat-exchanger tube from thin, flexible metal strip material A method of manufacturing a flat heat-exchanger tube from thin, flexible metal strip material, comprising the steps of bending first and second longitudinal edge portions of the strip into an overlapping position over a central portion of said strip, bend... | 05/24/1977 |
