Patent · US Active

Chemically sharpening blades

US11285631B2 · kind B2 · utility

0Cited by
21References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 27, 2019
Grant dateMar 29, 2022
Priority date
Expiry dateSep 27, 2039

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB26D2001/0053
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A method for forming a cutting tool includes masking a metal base with one or more masks, the one or more masks including at least one variable permeability mask, and chemically etching the masked metal base to form a blade of the cutting tool.

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