Patent · US Expired

Progressive densification of powder metallurgy circular surfaces

US5972132A · kind A · utility

9Cited by
8References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 10, 1999
Grant dateOct 26, 1999
Priority date
Expiry dateFeb 10, 2019

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB22F2999/00
  • WIPO fieldMaterials, metallurgy
  • WIPO sectorChemistry

Abstract

Inner or outer cylindrical worked surfaces of powder metal components are bearingized by orbiting tapered rollers against them using a tapered mandrel having points for impacting the rollers against the worked surface.

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