B - Operations – Transporting – 26 – B
Patent
B - Operations, Transporting
26
B
B26B 21/22 (2006.01) B26B 21/54 (2006.01)
Patent
CA 2228215
The various embodiments of the present invention are directed to razor heads having a plurality of cutting edges (21, 31) wherein the physical characteristics of the cutting edges (21, 31) are different from each other. Among the items which may be varied in the blades (20, 30) are the substrate material, coatings or shape. Preferably, the characteristics of the first blade (30) should be such as to maximize the blade's cutting effect in relation to the skin/beard flow over the guard bar (40) of the razor head (50). The subsequent blades (30) are such as to maximize the cutting action as the skin flow over the first blade (20) and on to the subsequent blades (30). In addition, one ore more fencing elements (60) may be disposed over discrete, spaced portions of one or both cutting edges (21, 31) to prevent those portions of the cutting edges (21, 31) from contacting the skin being shaved.
Les différentes variantes de la présente invention ont trait à des têtes de rasoir à plusieurs arêtes de coupe différant les une des autres notamment par le matériau du substrat, les revêtements, et la forme. Les caractéristiques de la première lame seront de préférence choisies pour maximiser l'effet de coupe en relation avec le flux peau /barbe sur la barre de garde de la tête de rasoir. Les lames suivantes maximisent l'effet de coupe, alors que la peau passe sur la première lame et les suivantes. De plus, un ou plusieurs des éléments barrière peuvent être placés sur des parties séparées distinctes d'une arête de coupe ou des deux afin d'éviter que ces parties des arêtes de coupe n'entrent en contact avec la peau pendant le rasage.
Sim & Mcburney
Warner-Lambert Company
LandOfFree
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