Chemically sharpening blades

US10478984B2 · kind B2 · utility

Assignee

• Hutchinson Technology Incorporated · US

Inventors

• Paul V. Pesavento · Hutchinson, US
• Peter F. Ladwig · Hutchinson, US
• Michael W. Davis · Elburn, US
• John A. Theget · Hutchinson, US
• Kurt C. Swanson · Hutchinson, US
• Joel B. Michaletz · Litchfield, US
• Philip W. Anderson · Dassel, US
• Timothy A. McDaniel · Hutchinson, US

Key dates

• Filing date: Dec 18, 2017
• Grant date: Nov 19, 2019
• Expiry date: Dec 18, 2037

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B26D2001/0053
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

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.