Metal deforming inventions 02/08

20080047314 - Device for the continuous lengthening of a metal strip by traction, and method for operating one such device: The invention relates to a device (1) for the continuous lengthening of a metal strip (2) by traction, said device comprising, in the strip transporting direction (R), at least three S-roll units (3, 4, 5, 6, 7) each provided with at least two rolls (8, 9 10, 11, 12, 13,... Agent: Friedrich Kueffner

20080047315 - Method utilizing power adjusted sweep device: A computer controlled roll-forming apparatus is adapted to provide a repeating pattern of different longitudinal shapes to a continuous beam “on the fly” during the roll-forming process. A sweep station on the apparatus includes a primary bending roller tangentially engaging the continuous beam along the line level and an armature... Agent: Price Heneveld Cooper Dewitt & Litton, LLP

20080047316 - Sheet metal bending machine and production line incorporating a machine of this type: The invention relates to a roll bender type machine for bending metal sheets, the machine comprising firstly a bending roller (20) driven in rotation and about which the sheet metal (32) is rolled, and secondly at least two backing rollers (19) adapted to receive and bear against a sheet while... Agent: Ralph A. Dowell Of Dowell & Dowell P.C.

20080047317 - Method of manufacturing a seamless steel tube: A seamless steel tube is manufactured from a high alloy steel containing at least 5% of Cr while effectively preventing mandrel bar withdrawal troubles after elongation rolling of a material being rolled. A seamless steel tube of a high alloy steel containing at least 5% of Cr is manufactured by... Agent: Clark & Brody

20080034824 - Method and device for producing a peripherally closed hollow profile: In a method and apparatus for producing a peripherally closed hollow profile having a secondary feature and/or a branch, the hollow profile is shaped from a hollow profile blank by an internal high pressure. The cap of the secondary feature and/or of the branch is severed by a counterholding punch... Agent: Crowell & Moring LLP Intellectual Property Group

20080034827 - Machine for drawing metal sheets: Machine for drawing metal sheets, which comprises a static support (3) and a moving support (4) that hold a metal sheet (2) during a process of drawing said metal sheet (2), and driving means (5) that cause a longitudinal movement of said moving support (4) in relation to said static... Agent: The Kline Law Firm, P.C.

20080034828 - Pivot link for sheet bending brake and sheet bending brake including pivot link: A guide mechanism for use with a sheet bending brake has a clamping member having a lower leg extending therefrom, a pivot arm and a guide mechanism. The pivoting arm being pivotally supported by and extending from the clamping member to define a clamping area with the lower leg. The... Agent: Howard & Howard Attorneys, P.C.

20080034829 - Apparatus for removing dent in sheet metal and method thereof: An apparatus for removing a dent in finished sheet metal heats a steel panel by applying a high frequency induced current thereto and simultaneously cools a clear coat by spraying a coolant to a surface of the sheet metal and a cooling pipe, wherein the finished sheet metal is composed... Agent: LexyoumeIPGroup, LLC

20080034831 - Self-aligning tools and a mandrel with retention sleeve: Self-aligning tools may be used to install and reposition an expandable structure in a workpiece. A self-aligning installation system may include an expansion mandrel, self-aligning nose cap assembly, and an installation tool for driving the mandrel. The expansion mandrel is sized to fit within a passageway of an expandable member... Agent: Seed Intellectual Property Law Group PLLC

20080028812 - Cold rolling process for metals using an aqueous lubricant comprising at least one carboxylic acid, one phosphate ester and one wax: The invention concerns a method for cold rolling metals using an aqueous lubricant comprising: (1) at least a mixture based on at least an acid selected among saturated or unsaturated mono- or poly-carboxylic acids, comprising 5 to 40 carbon atoms; at least an acid phosphate ester of formula (RO)x-P(═O)(OH)x′, wherein:... Agent: Hunton & Williams LLP Intellectual Property Department

20080028813 - Process and production line for manufacturing hot ultrathin steel strips with two casting lines for a single endless rolling line: A production line for hot steel strips, being fed from two casting lines (a, b) for thin slabs of thickness <100 mm, only one of which (a) is aligned with a finishing rolling mill (g), comprises also two pairs of rotatable heating furnaces with mandrel (A1, A2, B1, B2), each... Agent: Lucas & Mercanti, LLP

20080028814 - Sheet processing apparatus, method of use, and plastically deformed sheet: An apparatus for plastically deforming a work piece in the form of a sheet, comprising at least two cylindrical guide rolls rotatable in a first direction, each of said cylindrical guide rolls having an outer circumference; a bendable strip having a portion of at least one surface in communication with... Agent: General Motors Corporation Legal Staff

20080028815 - Push bench and method of manufacturing small diameter tubing: The present invention involves cost effective, efficient systems and methods for sizing pipe. In an embodiment of the present invention, a pipe sizing system includes a die having an opening operable to size the pipe, a hydraulic cylinder having at least one rod attached thereto, the hydraulic cylinder and the... Agent: Baker Botts L.L.P. Patent Department

20080028818 - Can bottom forming assembly: A can bottom forming assembly for use in forming the bottom of metal cans, such as steel and aluminum two piece cans. The bottom forming assembly is lightweight, compact and comprises outer and cylinder housing assemblies which house a clamp ring retainer assembly, a transfer piston assembly and an annular... Agent: Anthony G. Eggink Eggink & Eggink

20080028819 - Process of producing profiles whose cross-section is variable in the longitudinal direction: A process of producing profiles whose cross-section is variable in the longitudinal direction, characterized by the process stages of cutting a blank 31 with a substantially constant width along a longitudinal direction, deforming the blank 31 by deep-drawing to form an open profile whose cross-section is variable along the longitudinal... Agent: Wyatt, Gerber & O'rourke, L.L.P.