Class / Patent application number | Description | Number of patent applications / Date published |
072377000 | With attenuation, thickening, elongating or shortening of work material | 15 |
20080245128 | Method and Apparatus for Forming Metal Reinforcing - An apparatus for forming a metal reinforcing bar incorporates a multi stage forming line forming a termination on an enlarged end portion of the bar. The termination is shaped to form part of an interlock to connect the bar to another member. In one form, the forming line includes a forming station where the termination is at least partially formed by a forging process. | 10-09-2008 |
20080257009 | Method Of Providing A Solenoid Housing - The invention relates to a method of providing a solenoid housing, including the steps of providing a solid cylinder of malleable material having a first part and a second part; reducing a diameter of the first part of the cylinder to be less than a diameter of the second part of the cylinder; compressing the second part in an axial direction toward the first part, resulting in a flattened disc generally perpendicular to the first part; raising at least a part of a perimeter of the flattened disc in a direction toward the first part for defining a raised wall; and wherein the first part, second part, and raised perimeter are all integrally connected as a single piece. | 10-23-2008 |
20090025450 | METHODS FOR MANUFACTURING FLANGED ARTICLE - Methods are taught for manufacturing a work having a peripheral flange by pressing a sheet material may include half die cutting the material so as to simultaneously form inner and outer circumferential surface of the peripheral flange while the peripheral flange is simultaneously subjected to isostatic pressures that are directed from the flange inner surface to the flange outer surface or from the flange outer surface to the flange inner surface. | 01-29-2009 |
20090044591 | FORGING METHOD, FORGED PRODUCT AND FORGING APPARATUS - A forging method for upsetting end portions of a raw material as diameter expansion scheduled portions includes: providing an upsetting apparatus having a fixing die, guides each having an insertion passage for inserting and holding an end portion of the raw material in a buckling preventing state, and punches each for axially pressing the end portion of the raw material inserted in and held by the insertion passage; inserting end portions of the raw material with the end portions protruded from the fixing die into the insertion passages; and moving the guides in direction opposite to moving direction of the punches such that length of exposed portion of the raw material becomes equal to or less than buckling limit length at cross-sectional area of the exposed portion of the raw material while simultaneously axially pressing the end portions of the raw material with the punches. | 02-19-2009 |
20090266135 | METHOD OF PRODUCING SHEET METAL BLANKS HAVING A VARING THICKNESS - A method of producing a flat sheet metal blank which varies in thickness. The sheet metal blank is produced for manufacturing components for motor vehicles. The method comprises the steps of providing a flat sheet metal blank having a variable thickness and prefabricated as a starting workpiece, and reworking the prefabricated flat sheet metal blank such that the variable thickness of the prefabricated flat sheet metal blank is locally changed. | 10-29-2009 |
20100218583 | TRANSMISSION SUITABLE FOR A MOTOR VEHICLE, SHAFTS THEREFOR AND METHOD OF PRODUCING SUCH SHAFTS - A transmission, particularly for a motor vehicle, having at least two torque transmitting shafts, shafts suitable for use in such a transmission, and a method for the production such shafts. At least one of the shafts is composed of a shaft base body ( | 09-02-2010 |
20110048097 | METHOD OF MANUFACTURING OUTWARDLY FLANGED METAL MEMBER - There is provided a method of manufacturing an outwardly flanged metal member, by which a metal member having outward flange portions which extend radially outwardly from a plurality of positions along a circumferential direction on an outer peripheral surface can be formed without a flash, or with a reduced amount of a flash. While surrounding a periphery of a metal blank | 03-03-2011 |
20110132060 | Enlargement Processing Method for Workpiece - A workpiece enlarging method is provided, by which an enlarged portion can stably be formed on a portion of a workpiece such as a shaft member, and a drive force required to form the enlarged portion can be reduced. The workpiece enlarging method forms the enlarged portion on the workpiece (W) by applying, with respect to the workpiece (W), alternating shear energy in a transverse direction thereof so as to suppress deformation of the workpiece (W) within an elastic limit while applying compression energy that produces compressive stress equal to or greater than an initial yield strength to increase internal energy of the workpiece (W), thereby decomposing a portion of the increased internal energy by the alternating shear energy and deforming and enlarging the enlargement intended area of the workpiece (W) with the assistance of the decomposed energy obtained by the decomposition. | 06-09-2011 |
20120073352 | METHOD FOR PRODUCING EMBOSSED BLANKS - The invention relates to a method for producing a blank, which is composed at least substantially of material that can be embossed, in particular aluminum or an aluminum alloy, for closing a container along the edge thereof, in particular by means of adhesive bonding or sealing, the blank having an embossed surface and being stamped from a continuous material. The invention is characterized in that markings are embossed on the continuous material when the surface of the blank is embossed, said markings being used for the position determination during the stamping process. | 03-29-2012 |
20120297855 | Sputter Targets And Methods Of Forming Same By Rotary Axial Forging - A method of making sputter targets using rotary axial forging is described. Other thermomechanical working steps can be used prior to and/or after the forging step. Sputter targets are further described which can have unique grain size and/or crystal structures. | 11-29-2012 |
20120312066 | Method of Forming a Metal Container - A method of forming a metal container comprises: narrowing a first top section of the container in at least one narrowing step, wherein after narrowing the first top section, the first top section has a first top section minimum outer diameter; and narrowing a second section of the metal container after narrowing the first top section, wherein after narrowing the second section, the second section has a second section minimum outer diameter; wherein the second section is below the first top section minimum outer diameter and wherein the second section minimum outer diameter is larger than the first top section minimum outer diameter. In some embodiments, the second section is below the first top section minimum outer diameter. In some embodiments, the second section of the metal container is necked with a necking die. | 12-13-2012 |
20130139564 | Method for increasing mechanical strength of titanium alloys having alpha" phase by cold working - A process for making an article of a titanium alloy having α″ phase as a major phase according to the present invention includes providing a work piece of a titanium alloy consisting essentially of 7-9 wt % of molybdenum and the balance titanium and having α″ phase as a major phase; and cold working at least a portion of the work piece at room temperature to obtain a green body of the article, wherein the cold worked portion of the green body has a thickness which is 20%-80% of that of the at least a portion of the work piece, and the cold worked portion has α″ phase as a major phase. | 06-06-2013 |
20140013817 | DEFORMATION PROCESSING APPARATUS AND METHOD FOR CORRECTING SURFACE RUNOUT - The clutch hub includes a sheet-metal hub member which has an axial member projected from the center of its plate surface, and also includes an annular armature which is fixed to an outer peripheral portion of the axial member. First mounting the axial member of the clutch hub downward on a support member and thereby elastically supporting the end surface of the armature by the support member; holding the axial member of the clutch hub using a chuck; locating a fixing member just under a portion of a maximum runout portion of an inner hub; contacting a cylindrical end surface of a pressing member with an upper surface of the inner hub using pressure; and plastically deforming the inner hub by a pressing force of the pressing member using the locating portion of the fixing is member as a fulcrum, which thereby corrects an inclination of the axial member. | 01-16-2014 |
20150128679 | FORWARD EXTRUSION FORGING APPARATUS AND FORWARD EXTRUSION FORGING METHOD - A forward extrusion forging apparatus includes: a die having a hollow portion whose diameter is reduced at an intermediate position; and a punch that is positioned behind a workpiece placed in the hollow portion, slides in the hollow portion, and extrudes the workpiece ahead of the hollow portion so that the workpiece is forged. An extruding surface of the punch, which extrudes the workpiece, is recessed in a direction opposite an extruding direction in a manner such that a center portion of the extruding surface is most recessed. | 05-14-2015 |
072378000 | By application of tensile forces | 1 |
20140020443 | MOLDING DEVICE FOR PULLING OPEN ELONGATED HOLES IN PIPES OR SHEETS - The purpose of the present invention is to provide a high-tolerance molding device that uses a pulling technique to quickly form a desired elongated hole in a workpiece such as a pipe or a sheet with little material loss, due to the use of single-piece molding, while preventing material degradation. The workpiece is provided with a pilot hole that is smaller than but roughly concentric with the desired elongated hole. This molding device is characterized by the provision of: a power-coupling arm that moves in a direction roughly perpendicular to the surface in which the aforementioned pilot hole is provided and can be inserted into the pilot hole; a control unit that controls the movement of the power-coupling arm; and a plug that is prepositioned on the opposite side, with respect to the power-coupling arm, of the surface of the workpiece in which the pilot hole is provided. The plug can engage with and move together with the arm. | 01-23-2014 |