Patent · US Expired

Scalloped threader cutting insert

US4854785A · kind A · utility

16Cited by
13References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 17, 1987
Grant dateAug 8, 1989
Priority date
Expiry dateAug 17, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T407/24
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

In a thread-cutting insert of the type having a plurality of teeth, each of the respective teeth of the insert includes a pair of scallops which intersect closely adjacent to the forward cutting edge of each tooth to form a ridge which tends to split a chip.

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