Method of manufacturing a hair cutter

US12296496B2 · kind B2 · utility

Assignee

• The Braun Corporation · DE

Inventors

• Andreas Erndt · Kelkheim, DE
• Thorsten Piesker · Friedrichsdorf, DE
• Wolfgang Stegmann · Frankfurt am Main, DE
• Bernhard Sikora · Kelkheim, DE

Key dates

• Filing date: May 19, 2023
• Grant date: May 13, 2025
• Expiry date: May 24, 2043

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B26B19/3853
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

The present invention relates a method of manufacturing a hair cutting device with an outer metal shell, comprising the steps of forming the outer metal shell into a desired shape and mounting functional components for performing or helping to perform a personal care treatment into and/or onto said formed outer metal shell. Said forming the outer metal shell includes a hydraulic pressure forming step.