COATING FOR STATIONERY CUTTING IMPLEMENTS

A cutting implement (10) having a pair of cutting blades (22,26) and a coati ng (32) is provided. The coating (32) has titanium chromium nitride and provide s the cutting blades (22,26) with a satin silver appearance. In some embodiments, the titanium chromium nitride coating (32) has a thickness in...

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Bibliographische Detailangaben
Hauptverfasser:	BUCHTMANN, LARRY, PIA, GARY
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL CUTTING DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING,CUTTING-OUT, STAMPING-OUT OR SEVERING DIFFUSION TREATMENT OF METALLIC MATERIAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HAND CUTTING TOOLS HAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PERFORMING OPERATIONS SEVERING SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TRANSPORTING
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Beschreibung
Zusammenfassung:	A cutting implement (10) having a pair of cutting blades (22,26) and a coati ng (32) is provided. The coating (32) has titanium chromium nitride and provide s the cutting blades (22,26) with a satin silver appearance. In some embodiments, the titanium chromium nitride coating (32) has a thickness in a range between about 0.3 microns and 0.5 microns, a surface roughness in a range of about 15 to 25 10-6 inch/inch, and a hardness in a range of about 5 .7 to about 9.1 gegapascals.