Blank, forming plate, press formed article manufacturing method, and press formed article
US10946427B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 13, 2014 |
| Grant date | Mar 16, 2021 |
| Priority date | — |
| Expiry date | Apr 13, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D53/88
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A blank that is a material for an elongated press formed article having a substantially hat shaped lateral cross-section profile including a top plate section, a ridge line section, a flange section, and vertical wall section, and configured with a first portion in which the top plate section has a fixed width, and a second portion including a curved portion in which the top plate section exhibits an L-shape in plan view due to the vertical wall section, the ridge line section, and the flange section curving along with the width of the top plate section gradually increasing. The blank has a shape of an opened-out shape of the press formed article, additionally with a first recess, a protrusion, and a second recess provided to an edge of an excess portion additionally provided at an edge of a location that will form the flange section configuring the curved portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.