taper (v)

The rest of the tap, which is slightly tapered, serves as a guide.

Tapering (reducing), when a material is pressed through a tapered die.

Forming takes place in the area below the blank holder as far as the tapered edge of the drawing die.

sich verjüngen (v)

Verjüngen (Reduzieren), Pressen eines Werkstoffes durch eine sich verjüngende Matrize.