| 摘要 |
FIELD: individual supplies. ^ SUBSTANCE: invention concerns cutting devices and can be applied in shaving technology. Blade material is tempered. Blade material is oxidised during tempering process to form oxide coating. Blade material is cooled after oxidation operation to initiate martensitic transformation of blade material. Razor blades are shaped out of tempered blade material. Oxide coating of razor blade is implemented with colouration. ^ EFFECT: enhanced longevity of blade. ^ 21 cl, 9 dwg, 1 ex |
