Patent · US Expired

Aperture punching unit

US6568306B2 · kind B2 · utility

1Cited by
29References
19Claims
0Family size

Inventor

Key dates

Filing dateJun 28, 2001
Grant dateMay 27, 2003
Priority date
Expiry dateJun 28, 2021

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T83/9423
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A punching unit for punching holes of a selected geometry in a wall of a component. The punching unit has a frame for supporting the component and the tool and die assembly releaseably securable to the frame. Tool and die assembly has a punch operatively coupled to a mandrel and a male die member and a female die member cooperating to form the hole in the wall. A portion of the tool and die assembly is interchangeable to provide a selected one of a plurality of predetermined hole geometries for the component.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.