| 摘要 |
<p>It is described a method for producing a laminar male die(l) of the interchangeable type, for printing Braille characters (4) on yielding supports. The method comprises the step of punching the metal foil (2) that forms the body of the male die to obtain a plurality of first points in relief (3) on a first face of the foil. The first points define one or more characters in Braille alphabet. The method comprises the further step of punching the metal foil to obtain at least two second points ( 5,6, 7,8) in relief on the other side of the foil; the second points in relief are aligned with corresponding receiving seats of an outer male die-holding support. A male die obtained with the previous method and the respective manufacturing apparatus are also described.</p> |
