Patent · US Expired

Positive cutting insert with compound clearance faces

US5556239A · kind A · utility

5Cited by
8References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 24, 1995
Grant dateSep 17, 1996
Priority date
Expiry dateOct 24, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T407/23
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

An polygonal indexable insert for use in periphery milling cutters. The insert is a positive insert having compound clearance faces comprised of a curve primary clearance surface adjacent the cutting edge and a planar secondary clearance surface adjacent the clearance edge of the insert. The curved primary clearance surface imparts improved strength to the cutting edge of the insert.

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