Cutting element, electric shaver provided with a cutting element
AssigneeKoninklijke Philips N.V.
InventorHubert Sjoerd Blaauw
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Abstract
The invention relates to a cutting element (10), such as used in an electric shaver. The cutting element is made from stainless steel with a hardened surface layer (14) over at least part of its surface, and is characterized, in that the cutting end face (11) of the element comprises a, surface layer of hardened steel at least over its cutting edge (12), the rest of the end face comprising the stainless steel. The cutting element has self-sharpening and wear adjustable characteristics. The invention also relates to a method for producing the cutting element, and to an electric shaver comprising at least one cutting element according to the invention.
Claims11
An internal rotating cutting member for use in an electric shaver comprising:
- a plurality of cutting legs, wherein each cutting leg comprises a single cutting end face having a peripheral edge surrounding the cutting end face,
- wherein an outer front edge of the peripheral edge at a front side of a cutting leg with respect to a rotation direction of the cutting leg is a cutting edge,
- wherein said cutting member is made from stainless steel,
- wherein the cutting end face comprises a hardened surface layer of hardened steel at least over the cutting edge, and
- wherein an end facial surface area of the hardened surface layer ranges from 5 to 50% of a total end facial surface area of the cutting end face.
Dependencies are inferred from the claim text.