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| Number | Title | Issue Date |
| 7331207 | Metal shaping apparatus A power hammer assembly providing forming capabilities while remaining economical with respect to performance, vibration, footprint size and acquisition costs. The power hammer assembly can provide for a single stroke speed and/or a single set stroke with respect to... | 02/19/2008 |
| 7240529 | Partially reinforcing method and apparatus of metal material The present invention intends to provide the partially reinforcing method and apparatus for reinforcing the required part of the metal material having good forming property and relatively low strength (hardness and yield stress) by the press processing. The p... | 07/10/2007 |
| 7059035 | Method for forming a bimetallic actuator A method for post-fabrication modification of the snap actuation properties of a thermally responsive bimetallic actuator by exposing a pre-formed bimetallic actuator to laser energy, thereby permanently altering the thermal response properties of the bimetallic act... | 06/13/2006 |
| 6948350 | Wave-processing method and wave-processing die for core metal of wet friction material A ring-shaped core metal is pressed and compressed by a main punch and a counter punch so as to have a wave shape. Moreover, each group of three micro-protrusions provided on each of top points of the wave shape are cut in the core metal. Then, three notches are cut... | 09/27/2005 |
| 6941651 | Pulley and bearing assembly and a method and apparatus for inserting and fastening a bearing within a pulley A pulley and bearing assembly and a method of inserting and fastening a bearing within a pulley having an axially extending cylindrical hub portion with an axial bore forming an inner periphery of the pulley and a pair of opposite ends, an annular belt groove portio... | 09/13/2005 |
| 6919677 | Glass funnel for a cathode ray tube and cathode ray tube The present invention has an object to provide a glass funnel, which is safe, highly reliable and lightweight. The object is solved by a glass funnel wherein an outwardly projecting bent portion is provided along at least a part of an outer peripheral area, where th... | 07/19/2005 |
| 6901680 | System for spacing flutes on a workpiece A system, apparatus, and method for spacing and aligning flutes to be routed in a workpiece is disclosed. The system includes a flute-spacing jig with spaced alignment holes, a workpiece aligner, and a fence guide. Additionally, the system can include a T-square wit... | 06/07/2005 |
| 5593708 | Apparatus for bending plastic pipe A bending process including both preliminary and following steps takes place in one apparatus. A plastic pipe (6) is heated to a temperature in which it can be plastically deformed. The heated pipe is thereafter shoved into a pipe-shaped bending channel (... | 01/14/1997 |
| 5390523 | Coupling for shoulder ended pipes A method of producing a coupling for pipes includes the steps of subjecting a predetermined length of desired cross-sectional profiled material to a bending process in a mould having a semi-circular portion to form an item of semi-circular shape; forming ... | 02/21/1995 |
| 5036694 | Method and apparatus for bending the flange of a workpiece A device for bending a workpiece having a substantially planar leg fixed to a substantially planar cap at an initial angle comprises a block bar having a rounded bending surface for contacting the leg of a workpiece and a punch for urging the leg of the w... | 08/06/1991 |
| 4898016 | In-roof flanging fixture and process A flanging fixture, and a method of attaching the fixture and performing flanging operation on a pointed metal surface of a vehicle, surrounding an aperture. The flanging fixture is positioned on the painted metal surface surrounding the aperture. The fix... | 02/06/1990 |
| 4666665 | Hot-forging small inner diameter powdered metal parts An apparatus and method of hot-forging in a forging press a cylindrical powdered metal preform to substantially full theoretical density to thereby produce a powdered metal part having a small inner bore wherein the core rod defining such bore is construc... | 05/19/1987 |
| 4587828 | Rough forging mold and finish forging mold A method of forging a crank shaft at least including: a first step of forming a pair of fitting grooves in an outer periphery of a crank throw portion of a billet at an axially central portion of the billet, said grooves extending perpendicular to an axis... | 05/13/1986 |
| 4562719 | Method for drawing heavy wall shells with a multi-step inside edge A forming machine (10) is provided for forming a finished part (12) from a flat blank (14). Draw stations (18-24) are provided to initially form the intermediate part. Each draw station includes a punch (44, 62, 66, 70') and a draw die (48, 64, 68, 72). E... | 01/07/1986 |
| 4463591 | Method of fabricating scroll members by coining and tools therefor Method for forming scroll members comprising an end plate having an involute wrap rigidly affixed thereto. The end plate and involute wrap are precision formed, e.g., by casting, either as an integral element or as two separate elements and then the scrol... | 08/07/1984 |
| 4420962 | Method of cold coining a toothed segment for an endless track wheel and two-piece die therefor and article formed thereby A method of forging an arcuate shaped toothed segment which is adapted to be bolted to an endless track wheel for an endless track vehicle. The method includes the simultaneous finishing without the necessity of machining of various surfaces of the toothe... | 12/20/1983 |
| 4403494 | Method of fabricating scroll members by coining and tools therefor Method and apparatus for forming scroll members comprising an end plate having an involute wrap rigidly affixed thereto. The end plate and involute wrap are precision formed, e.g., by casting, either as an integral element or as two separate elements and ... | 09/13/1983 |
| 4346582 | Method for flattening corrugated heat exchanger plates A method and apparatus (32) is provided for crushing a portion of a corrugated sheet (10) in an area (20, 22) extending transversely to the corrugations in the sheet without blocking the passages (14) between the crowns (12) of the uncrushed portions of t... | 08/31/1982 |
| 3949587 | Front and rear magnetic gauges for a press brake and the method of operating same A press brake includes gauges on opposite sides of the punch for positioning a sheet of material being worked upon. Each of the gauges includes a magnet in the end abutting the work piece. The magnet on the back side of the punch is carried on a rod adjus... | 04/13/1976 |
| 3933023 | Method for manufacturing a unit piece of a V pulley A method for manufacturing a unit piece for a `V` pulley of the type in which a pair of unit pieces of the same configuration are assembled in back-to-back relation to each other into a single complete pulley, said unit piece having a central flat portion... | 01/20/1976 |
