Press-formed article, press-forming method, and press-forming apparatus
US11806773B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 25, 2021 |
| Grant date | Nov 7, 2023 |
| Priority date | — |
| Expiry date | Aug 24, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB62D25/20
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
This press-formed article includes: a top sheet portion; a sidewall continuing to the top sheet portion via a convex ridge line portion; a flange continuing to the sidewall via a concaved ridge line portion; and an outward flange continuing from an edge portion of the top sheet portion to an edge portion of the flange, via an edge portion of the convex ridge line portion, an edge portion of the sidewall, and an edge portion of the concaved ridge line portion, wherein in the same unit, an average thickness TAve, a minimum thickness TMin, and a maximum thickness TMax of the outward flange satisfy Equation 1 and Equation 2. 0.8×TAve≤TMin<TAve (Equation 1)TAve<TMax≤1.2×TAve (Equation 2)
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.