PRESS FORWARDLY FEED DIE OF METALLIC GASKET

摘要

In a press forwardly feed die of metallic gasket wherein a convex bead forming die (3) for forming a convex bead (10b) surrounding a sealed portion is parallely provided between a metallic plate piercing die (2) and an outer contour punching die (4), a plurality of slits (6) each having a predetermined width corresponding to a width of a convex member (18) are equidistantly formed in the convex bead forming die (3) on the female side along a pressing line which is opposed to the convex member (18) on the male side, which is provided for press forming the convex bead (10b) on a metallic plate (10) forwardly fed after subjected to a predetermined piercing by the piercing die (2), and connecting grooves (7) having a depth necessary for bead forming by the convex member (18) and having the same width as the slit (6) are respectively formed between the slits (6).