Colored razor blades

Details Colored razor blades Colored razor blades

2007-10-23

2007-10-23

Payer, Hwei-Siu C. (Department: 3724)

Metal tools and implements, making

Blank or process

Cutlery

C148S284000, C148S287000

Reexamination Certificate

active

11013827

ABSTRACT:
Colored razor blades are provided. Methods for manufacturing such blades are also provided, including methods involving subjecting a blade material to a hardening process; and, during the hardening process, oxidizing the blade material to form an oxide layer on the blade material. The method also includes quenching the blade material, after the oxidizing step, to initiate martensitic transformation of the blade material, and forming the hardened blade material into a razor blade, the oxide layer providing the razor blade with a colored surface.

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