Razor blades

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B - Operations, Transporting

26

B

B26B 21/60 (2006.01)

Patent

CA 2607970

A razor blade (10) including a substrate (12) with a cutting edge defined by a sharpened tip and adjacent facets (22), a layer (16) of hard coating on the cutting edge, an overcoat layer (18) of chromium nitride on the layer of hard carbon coating, and an outer layer (20) of polytetrafluoroethylene coating over the overcoat layer.

La présente invention concerne une lame de rasoir (10) comprenant un substrat (12) avec un bord coupant défini par un sommet aiguisé et des facettes adjacentes (22), une couche (16) de revêtement dur sur le bord coupant, une couche de recouvrement (18) en nitrure de chrome sur le revêtement en carbone dur et une couche externe (20) de polytétrafluoroéthylène sur la couche de recouvrement.

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