Device and method for the deep drawing of shell parts with integrated head and frame trimming
US9289813B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 9, 2014 |
| Grant date | Mar 22, 2016 |
| Priority date | — |
| Expiry date | Jul 9, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21D22/20
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
The invention relates to a device for producing shell components having at least a lower region, a frame region and optionally a flange region from a planar or preformed plate with a drawing die and a drawing punch, the drawing die having a shaping region and at least one cutting region, the shaping region of the drawing die having at the end of the drawing operation the outer shape of the shell component to be drawn and to be cut in the lower region, frame region and optionally in the flange region, the drawing punch having a shaping region and at least one cutting region, the shaping region of the drawing punch having, at the end of the drawing operation, the inner shape of the shell component to be drawn and to be cut with a lower region, frame region and optionally a flange region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.