Improvements in or relating to razor blades

Details Improvements in or relating to razor blades Improvements in or relating to razor blades

B - Operations, Transporting

26

B

B26B 21/54 (2006.01) B26B 21/40 (2006.01) B26B 21/60 (2006.01)

Patent

CA 2102222

A razor blade includes a substrate with a wedge-shaped edge, an interlayer of material selected from the group consisting of nickel, niobium, silicon, silicon carbide, tantalum, vanadium and alloys of such materials on the tip and flanks of the wedge-shaped edge, the thickness of the interlayer preferably being in the range of about 50-500 angstroms and a layer of diamond or diamond-like carbon material on the interlayer that preferably has a thickness of about two thousand angstroms and that defines a tip radius of less than about 1000 argstroms.

Lame de rasoir utilisant un substrat comportant un bord tranchant taillé en biseau et une couche intermédiaire formée de nickel, de niobium, de silicium, carbure de silicium, tantale, vanadium et d'alliages de ces matériaux, lesquels sont aussi utilisés dans la réalisation de la pointe et des flancs du bord tranchant; de préférence, l'épaisseur de la couche intermédiaire est de l'ordre de 50 à 500 angströms, avec un revêtement de diamant ou de matière carbonée d'une épaisseur de l'ordre de 2000 angströms, le tout définissant un rayon inférieur à 1000 angströms

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