Negative-angle press-working die

Details Negative-angle press-working die Negative-angle press-working die

2007-07-17

2007-07-17

Banks, Derris H. (Department: 3725)

Metal deforming

By relatively movable offset tool-faces

Embodying three or more coacting relatively movable tools

C072S315000, C072S452900

Reexamination Certificate

active

10885122

ABSTRACT:
Operations for uniting together a fixed support base4for fixedly supporting a workpiece W and a support die and for composing and decomposing a negative-angle press-forming die to take out a product processed by a negative-angle press-forming process are provided by an L-shaped die and a rotational support mechanism21, serving as a pivot on which the L-shaped die is turned, inclined at an inclination determined according to the height range of a curved surface to be formed.

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