| 摘要 |
PCT No. PCT/CH88/00187 Sec. 371 Date Aug. 15, 1989 Sec. 102(e) Date Aug. 15, 1989 PCT Filed Oct. 11, 1988 PCT Pub. No. WO89/03751 PCT Pub. Date May 5, 1989.A tool comprises a lower part (2) and an upper part (1). The upper part (1) of the tool can slide on guides (3) and has a force plug (7) and a blanking punch (4). A die-plate (5) arranged on the lower part (1) of the tool contains a mold cavity (16) of a die (6). The blanking punch (4) and the die-plate (5) each have a plurality of individual blanking elements (20, 30). Facing pairs of blanking elements (20, 30) have cutting edges (23, 33) directed toward the cutting line (15). The blanking elements (20, 30) have a polygonal cross-section and are aligned next to each other along their edges.
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