Self-sharpening cutting tool with hard coating. RU patent 2305623.

FIELD: manufacture of self-sharpening knives and other cutting tools having blades provided with hard coating.

SUBSTANCE: tool has cutting edge onto one side of which coating is applied. Coating has hardness degree exceeding that of material of cutting edge and it has laminate or laminar microstructure parallel relative to coated side of cutting edge. Method for making such tool is also offered.

EFFECT: improved design of cutting blade enhancing process of cutting, namely of soft materials that may be easily damaged by rupture, stable wear resistance characteristics of blade edge.

36 cl, 1 dwg, 1 tbl, 6 ex

IPC classes for russian patent Self-sharpening cutting tool with hard coating. RU patent 2305623. (RU 2305623):

C23C16/04 - Coating on selected surface areas, e.g. using masks

B26B9 - Blades for hand knives

B26B21/60 - by the coating material

B23P15/28 - cutting tools (sawing tools B23D0063000000, B23D0065000000; files or rasps B23D0073000000)

B23B27/14 - Cutting tools of which the bits or tips are of special material

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