Patent ID: 11951526
Assignee: TOPRE CORPORATION
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A forming die capable of being used in forming of a press-formed product by pressing, the press-formed product having an apex part curved along a longitudinal direction in a plan view, a convex-side sidewall portion provided to be continuous with a convexly curved side of the apex part, and a flange provided to be continuous with the convex-side sidewall portion, the forming die comprising:
a sidewall portion formation surface concavely curved along the longitudinal direction in the plan view and configured to form the convex-side sidewall portion; and
a flange formation surface provided to be continuous with the sidewall portion formation surface and configured to form the flange,
wherein a height of a boundary ridge line between the sidewall portion formation surface and the flange formation surface at a large-curvature section is larger than a height of the boundary ridge line at a small-curvature section.