FLAT CUTTING TOOL - KANEFUSA KNIFE & SAW

Title:

FLAT CUTTING TOOL

Document Type and Number:

WIPO Patent Application WO/2009/145343

Kind Code:

A1

Abstract:

Disclosed is a flat cutting tool (10), wherein a blade member (11) is fixed on a mounting concavity (16) of a base member (15) using a wax material or an adhesive agent and a blade edge (11a) is formed on the side of a surface layer (12) of the blade member (11). The blade member (11) is formed by welding and joining the surface layer (12), which is a high-velocity tool steel with a high degree of hardness, a middle layer (13) that is an alloy steel with a lower hardenability than the high-velocity tool steel, and a lower layer (14) that is a mild steel with almost no hardenability. The blade member (11) is quenched and tempered, and the surface layer (12) is hardened to a degree of hardness suitable for a cutting tool and fixed on the mounting concavity (16) of the base member (15).

Inventors:

MIYAZAKI TOSHIMASA (JP)
ISHIDA NOBUYUKI (JP)
WATANABE HISAYASU (JP)

Application Number:

PCT/JP2009/059942

Publication Date:

December 03, 2009

Filing Date:

May 26, 2009

Export Citation:

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Assignee:

KANEFUSA KNIFE & SAW (JP)
MIYAZAKI TOSHIMASA (JP)
ISHIDA NOBUYUKI (JP)
WATANABE HISAYASU (JP)

International Classes:

B26D1/00

Foreign References:

JPH11300688A	1999-11-02
JPH06190797A	1994-07-12
JP2005313268A	2005-11-10
JPH02104432A	1990-04-17

Other References: