US 12,134,203 B2
Razor having a hair-cutting fiber
Willem Auke Westerhof, Drachten (NL)
Assigned to KONINKLIJKE PHILIPS N.V., Eindhoven (NL)
Appl. No. 17/795,003
Filed by KONINKLIJKE PHILIPS N.V., Eindhoven (NL)
PCT Filed Jan. 26, 2021, PCT No. PCT/EP2021/051683
§ 371(c)(1), (2) Date Jul. 25, 2022,
PCT Pub. No. WO2021/156097, PCT Pub. Date Aug. 12, 2021.
Claims priority of application No. 20155431 (EP), filed on Feb. 4, 2020.
Prior Publication US 2023/0053723 A1, Feb. 23, 2023
Int. Cl. B26B 21/58 (2006.01); B26B 21/40 (2006.01); B26B 21/56 (2006.01); B26B 21/18 (2006.01)
CPC B26B 21/58 (2013.01) [B26B 21/4031 (2013.01); B26B 21/56 (2013.01); B26B 21/18 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A razor comprising:
a hair-cutting fiber having a hair-cutting section arranged for cutting through hairs on skin of a user by moving the hair-cutting section through the hairs;
a support to which opposite end portions of the hair-cutting section are attached; and
a skin engaging surface;
wherein:
the hair-cutting section is attached to the support in such a position relative to the skin engaging surface that the hair-cutting section is exposed to the skin for cutting through the hairs when the skin engaging surface is in contact with the skin and moved over the skin,
the hair-cutting section has a fiber diameter smaller than or equal to 7 μm, and
the hair-cutting section is a fiber material having a tensile strength larger than or equal to 5 GPa.