Punching tool
US9610697B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 17, 2011 |
| Grant date | Apr 4, 2017 |
| Priority date | — |
| Expiry date | Jul 27, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/929
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A stamping tool formed from a steel strip and method of forming the stamping tool. The stamping tool is formed from a steel strip shaped on a narrow side with a cutting part having a cutting edge. The stamping tool includes a back part with a contour in cross section on a narrow side of the steel strip, recesses shaped in the back part with free spreading of the material to be transverse to a longitudinal extension of the steel strip and perpendicular to lateral surfaces of the steel strip, such that an extent of the spreading is smaller than a thickness of the steel strip, and undeformed regions located between the recesses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.