Razor blade and method of manufacture

Details Razor blade and method of manufacture Razor blade and method of manufacture

B - Operations, Transporting

21

D

B21D 53/64 (2006.01) B26B 21/22 (2006.01) B26B 21/56 (2006.01)

Patent

CA 2415565

An elongated stock material for use in manufacturing shaving razor blades (30), the material including an elongated, flat strip of metal having a front edge and back edge extending along its length, a sharpened cutting edge portion (38) extending along the front edge, a weakened portion (32) between the front edge and the back edge, a blade portion (34) between the cutting edge (38) portion and the weakened portion (34), and a removable portion (36) between the weakened portion (32) and the back edge. Also disclosed are blades and cartridges made from the material, and methods and apparatus making and using the material.

Cette invention concerne un produit de forme allongée servant à la fabrication de lames de rasoir. Ce matériau comprend une bande métallique plate et allongée présentant un bord avant et un bord arrière dans le sens sa longueur, une partie de bord tranchant acérée partant du bord avant, une partie faible entre le bord avant et le bord arrière, une partie lame entre la partie bord tranchant et la partie faible et une partie détachable entre la partie faible et le bord arrière. L'invention concerne également des lames et des cartouches réalisées dans ledit matériau ainsi que des méthodes et un dispositif de fabrication correspondants.

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