DIAMOND-CONTAINING BLADE MATERIAL FOR SHARP-EDGED TOOL, SUCH AS KITCHEN KNIFE

Japanese Patent JP3641794

B2

PROBLEM TO BE SOLVED: To provide a blade material which is great in both of cutting quality and its persistence for kitchen knives and other cutters used for selective cutting of the tissues, cells, etc., of living things.
SOLUTION: This blade material is formed by edging a sintered compact which is formed by using diamond particles D of ≤100 μm in grain size as a cutting material and sintering the material together with pure titanium particles or titanium alloy particles containing ≥50 wt.% pure titanium as a matrix (medium) of the diamond particles D. As a result, the diamond particles D of ≤100 μm in grain size are arrayed and fixed nearly on one line at a blade edge after edging and, therefore, the cutting quality is excellent and the persistence of the cutting quality is outstanding. In addition, the compounding of the costly diamond particles may be localized only to the blade edge and the section immediately near the blade edge and, therefore, the cutter having the excellent characteristics may be provided at a low cost.

JP3085491	[Name of the device] String cutting tool and high-altitude placement type device
JPS6112482	[Title of the device] A kitchen knife with a safe cover

Kimiko Sueda

JP23183799A

April 27, 2005

July 14, 1999

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Kimiko Sueda

B26B3/00; B23P5/00; B26B9/00; B26B13/00; B26B21/58; B26D1/00; C22C26/00; (IPC1-7): B26B3/00; B26B13/00; B26B21/58

JP5194031A
JP11131106A
JP6279115A
JP628778A

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