Metal deforming inventions 07/07

20070169528 - Pinch-point lock-seam tubing, pinch point seaming devices, and methods for manufacturing stabilized lock-seam tubing: Many types of stabilized lock-seam tubing are provided, as well as devices, apparatus and methods for producing such stabilized tubing. Advantageously, pinch-locked tubing according to the invention, which comprise interlocking, spaced pinched deformations of the lock-seam, greatly resists side-slip and other shape deformations, including those typically produced by cutting the... Agent: Gary L. Shaffer

20070169529 - Refractory metal pots: The invention relates to a computer-implemented process for making a pot that involves: (a) cutting an ingot comprising a refractory metal component into a first work piece; (b) subjecting the first work piece to upset forging, and thereby forming a second work piece; (c) subjecting the second work piece to... Agent: Connolly Bove Lodge & Hutz, LLP

20070169530 - Techniques for reducing wall thinning during a hydroforming operation: It has been found that a compressive force assists in obtaining desired cold flow characteristics of a tubular steel work piece during a hydroforming operation. It has also been found that the most desirable results are achieved when the compressive force applied to the ends of the tubular steel work... Agent: Edward H. Oldham

20070169531 - Terminal crimping pliers: A terminal crimping pliers is provided, which is designed with a simple structure, and is used to improve the disadvantages of the conventional terminal crimping pliers, such as being difficult to be grasped and difficult for forces applied thereon. The terminal crimping pliers can be extended with a small angle,... Agent: Rabin & Berdo, PC

20070169532 - Method and apparatus for increasing the fatigue life, in particular the bending fatigue life and the torsional fatigue life of crankshafts: The invention relates to a method for increasing the bending strength and the endurance limit of crankshafts by locally restricted hammering in areas of high stress, such as grooves, the mouths of bores and cross-sectional transition zones, in which method pressure impulse machines or beating devices comprising heating tools are... Agent: Wells St. John P.s.

20070163318 - Roller for determining variations in flatness: In the case of a measuring roller for determining flatness deviations when handling material in strip form, for example when rolling metal strip, the stress distribution is measured over the width of the strip with the aid of piezoelectric sensors, which are arranged in longitudinal recesses of a solid roller... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20070163319 - Method for the production of a hollow profile provided with a terminal lid, and jack console: The invention relates to a process for producing a hollow profiled section (7) with bulges (37) which is provided with an end-side closure cover (7), and to a jack bracket (32) produced by means of this process. To allow simple production of an expanded hollow profiled section (6) provided with... Agent: Crowell & Moring LLP Intellectual Property Group

20070163320 - Device and method for producing tooth-like profiled sections on workpieces: The invention relates to a device for producing cylindrical workpieces (1) having defined profiled sections. The device comprises a workpiece holder (2) that is axially displaceable and intermittently rotates about a longitudinal axis (Z), and shaping tools (9; 12) that periodically act upon the workpiece. The inventive device is characterized... Agent: Greenblum & Bernstein, P.L.C

20070163321 - Levelling machine and method: A levelling machine for working the coiling tendencies out of sheet metal and the like, comprising an upper set of work rolls with sets of backup rollers rotationally mounted within upper backup carriers pivotable about a first axis and a lower set of work rolls with sets of backup rollers... Agent: Buchanan, Ingersoll & Rooney PC

20070163322 - Automatic machine control device: When a brake is released by worker's operation, a subject automatic machine is specified so as to prevent an accident due to an error, such as misconception. An automatic machine control device includes a brake releasing unit that releases a brake when a motor is not driven, and a brake... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070157691 - Process for producing seamless steel pipe: A process for producing a seamless steel pipe, in which the occurrence of inner surface flaws in the pipe can be reduced through the lowering of the friction coefficient during the elongation rolling by means of a mandrel mill is provided. The reduction of inner surface flaws is accomplished through... Agent: Clark & Brody

20070157692 - Method and device for producing workpieces by means of internal high pressure forming: A method for simultaneously producing at least two workpieces, separated from one another, by internal high pressure forming. A blank is inserted into a forming tool with at least two negative molds for each of the workpieces. There is at least one parting gap between each of the at least... Agent: Crowell & Moring LLP Intellectual Property Group

20070157693 - Forging/coining method: Methods for coining or forging powdered metal parts are disclosed. One example method uses a press including a first rod, a first ram surrounding the first rod, a die plate having a die cavity, a second rod opposite the first rod, and a second ram surrounding the second rod wherein... Agent: Quarles & Brady LLP

20070157694 - Die, method of manufacturing stepped metal pipe or tube, and stepped metal pipe or tube: A die through hole has an inside surface including a bell portion, an approach portion, and a bearing portion from the entrance side. The diameter of the approach portion is D1 on its entrance side and D2 on its exit side and gradually decreases from the entrance side to the... Agent: Clark & Brody

20070157695 - Punch, apparatus and method for forming opposing holes in a hollow part, and a part formed therefrom: A punch, apparatus and method for forming opposing holes in a hollow part, and a part formed therefrom. The punch includes an end portion adapted to pierce an entry hole and bend material around the entry hole to form a retained slug along an inner edge of the entry hole.... Agent: Blank Rome LLP

20070157696 - Fine-blanking device: Fine-blanking device for the fine blanking of transverse elements (51) for a push belt for a continuously variable transmission, in which blanking positions (10) for the transverse elements (51) are provided in the longitudinal direction (M) of a strip (12) that needs to be passed through the fine-blanking device. The... Agent: Young & Thompson

20070151317 - Method for forming hollow shaft with a flange and product with hollow shaft formed by the same: There is provided a method for forming a hollow shaft with a flange directly in sheet metal. This method is a method for forming a hollow shaft having a flange portion 17 at the end thereof based on stamping performed on sheet metal 20. The method includes forming an upright... Agent: Edwards Angell Palmer & Dodge LLP

20070151318 - Workpiece holding clamp mechanism of a forging machine: A workpiece holding clamp mechanism includes first and second clamp arms associated with respective clamp jaws. The first clamp arm is mounted on a transmission shaft, and has a sleeve part sleeved onto the transmission shaft, a first prong extending axially from the sleeve part and having a shaft receiving... Agent: The Webb Law Firm, P.C.