| 摘要 |
<p>A method of preparing a forged plate having antique appearance with a protruded slot capable of housing a spring and fixing to a handle, the method comprising the steps of: a) punching a first hole, a second hole and a third hole on a plate near a first end, second end and a central region of the plate; b) forging the plate to create a protruded slot around the third hole wherein the forging causes compression of the portion of the perimeter of the plate near the third hole; c) fixing the forged plate in position by inserting extended arms of a stationary body into the first and second hole; and d) cutting the forged plate.</p> |
