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US 12,564,977 B2Granted
Razor blade
AssigneeThe Gillette Company
InventorsOliver Heinz Claus, Eduardo Villarreal, Neville Sonnenberg, Joseph Allan Depuydt, Dieter Heinz Josef Gross, Marko Limpert-Kiesel
Life of this patent
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Abstract
A razor blade. The razor blade includes a substrate having a first facet and a second facet that converge to define a cutting edge. A first textured surface is formed on the first facet and includes a first plurality of elements with a depth between about 0.01 μm and about 20 μm. The first textured surface is spaced apart from the cutting edge by about 0.05 μm to about 2 μm.
Claims14
A razor blade, comprising:
- a substrate having a first facet and a second facet that converge to define a cutting edge;
- and
- a first textured surface formed on the first facet;
- wherein
- the first textured surface includes a first plurality of elements with a depth between about 0.01 μm and about 20 μm;
- and
- the first textured surface is spaced apart from the cutting edge by about 0.05 μm to about 2 μm, wherein the first plurality of elements have an increasing depth with increasing distance from the cutting edge.
4 more elements
Dependencies are inferred from the claim text.