Patent · US Expired

Wellbore milling inserts and mills

US5984005A · kind A · utility

35Cited by
103References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 21, 1997
Grant dateNov 16, 1999
Priority date
Expiry dateAug 21, 2017

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T407/245
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An array of cutting inserts has been invented having a plurality of adjacent inserts, each insert comprising a body having a top surface, a bottom, and a base, and a plurality of spaced-apart chipbreaking indentations in the top surface of the body, and a strengthening ridge between adjacent indentations of the plurality of spaced-apart chipbreaking indentations, and a peripheral strengthening ridge around an outer edge of the top surface of the body surrounding the plurality of spaced-apart chipbreaking indentations.

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