Patent · US Expired

Gear surface treatment procedure

US7138066B2 · kind B2 · utility

0Cited by
5References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 13, 2005
Grant dateNov 21, 2006
Priority date
Expiry dateJul 13, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC21D9/32
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A method of surface treating heat treated members to remove oxide scale. The heat treated members are subjected to a staged series of discrete chemical and physical cleaning steps yielding a substantially scale-free surface readily adaptable for subsequent application of protective coatings.

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