Safety razor and blade unit for safety razor

US10807258B2 · kind B2 · utility

Assignee

• BEIERSDORF AG · DE

Inventors

• Michael Lessmann · Hamburg, DE
• Jens Treu · Norderstedt, DE
• Kesen Zeng · Hamburg, DE
• Yvonne Neumann · Hamburg, DE
• Hiroyuki Nakasuka · Seki, JP
• Ralf Hagens · Hamburg, DE
• Philip Drescher · Hamburg, DE

Key dates

• Filing date: Jul 24, 2015
• Grant date: Oct 20, 2020
• Expiry date: Oct 15, 2035

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B26B21/4068
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

Disclosed is a blade unit for a safety razor, comprising a blade housing comprising a plurality of blades having respective cutting edges lying in a shaving plane and being arranged to exert a cutting action when moved across a user's skin; and a guard in front of the cutting edges and a cap to the rear of the cutting edges, the guard including an elongate lubricating strip, and the cap including a convex lubricating pad having a convex skin-contacting surface and a rear edge curved in a single arc shape along its entirety. A skin-contacting surface of the convex lubricating pad is greater than a skin-contacting surface of the elongate lubricating strip, the convex lubricating pad and the elongate lubricating strip together extend along at least 60% of an outer perimeter of the blade unit, and the convex lubricating pad extends along at least 30% of the outer perimeter of the blade unit.