Patent · US Expired

Method of blanking

US4362078A · kind A · utility

26Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 5, 1981
Grant dateDec 7, 1982
Priority date
Expiry dateJan 5, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T83/06
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A method of blanking wherein an endless V-shaped groove of desired contour is formed on at least one of the top and bottom sides of a material sheet. The groove is shaped so that the external side thereof is at a right angle to the groove-cut surface of the sheet. A blank having the desired contour is then cut out of the sheet along the right-angled external side of the groove.

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