Patent · US Expired

Polygonal cutting insert

US4859122A · kind A · utility

27Cited by
6References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 6, 1988
Grant dateAug 22, 1989
Priority date
Expiry dateJun 6, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T407/245
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A polygonal indexable cutting insert has a chip breaker with a backwall having a main portion spaced from the cutting edge and including a plurality lands as to deflect chips in a direction toward the center of the insert.

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