Saw chain with hard coating

Details Saw chain with hard coating Saw chain with hard coating

B - Operations, Transporting

27

B

143/74

B27B 33/14 (2006.01)

Patent

CA 1198343

A B S T R A C T A cutting tool, such as a saw chain in a power chain saw, is subject to great wear. The cutting link according to the invention, however, can be coated by a layer of yellow titanium nitride or another nitride, carbide or boride of a transition metal which makes a surface hardness of at least 2000 HV and thus the life of such a chain is multiplied compared to prior known and used coatings, such as chromium.

419163

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