Flexible die and method for its manufacture

Details Flexible die and method for its manufacture Flexible die and method for its manufacture

B - Operations, Transporting

26

F

B26F 1/44 (2006.01) B23P 15/40 (2006.01)

Patent

CA 2433262

To obtain a push-cutting blade 2, a flexible base 1 and a projection (trapezoid-section projection 21) protruding from this base are formed by etching. Then, a lateral surface or surfaces of the projection 21 is cut into a vertical projection 2b. Lastly, the tip of the vertical projection 2b is sharpened to give a double (or single) cutting edge 2a.

L'invention porte sur un procédé de fabrication d'une matrice flexible, consistant à former une base flexible (1) et une partie protubérante (partie protubérante (21) dans la section transversale et trapézoïdale) faisant saillie à partir de la base, toutes deux obtenues par gravure, à former une partie protubérante verticale (2b) par des coupes de faces latérales de la partie protubérante (21) et à former une lame (2) découpée à la presse par formage du bout (2a) de la lame à double tranchant (ou à simple tranchant) au niveau du bout de la partie protubérante verticale (2b).

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