| IZUMI MACHINE MFG, CO., LTD. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120012232 | METHOD AND APPARATUS OF FRICTION WELDING TO INCREASE TENSILE STRENGTH OF WELDED WORKPIECE - A friction welding method includes a step of friction welding a first workpiece and a second workpiece together by pressing the first workpiece against the second workpiece relatively while rotating the two workpieces relatively, and a step of annealing the friction welded workpiece at a position adjacent to a welded portion thereof with high frequency induction heating. A friction welding apparatus is provided for friction welding a first workpiece and a second workpiece together by pressing the first workpiece against the second workpiece relatively while rotating the two workpieces relatively. The friction welding apparatus includes a high frequency induction heater for annealing the friction welded workpiece at a position adjacent to a welded portion thereof with high frequency induction heating. | 01-19-2012 |
| 20110056629 | FRICTION WELDING APPARATUS - A friction welding device allows one work ( | 03-10-2011 |
