Patent · US Active

Punching tool

US9610697B2 · kind B2 · utility

0Cited by
16References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 17, 2011
Grant dateApr 4, 2017
Priority date
Expiry dateJul 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.