Title:
KNIFE
Document Type and Number:
WIPO Patent Application WO/2024/019129
Kind Code:
A1
Abstract:
A knife according to the present disclosure comprises a blade that has a base part and an edge part that is connected to the base part and located along the base part. The base part includes a first metal, and the edge part includes a second metal and a plurality of hard particles having higher hardness than the second metal. The hard particles include tungsten carbide. The second metal includes at least nickel, chromium, and iron. In the edge part, the iron content in a matrix region in which the hard particles are not present is 10% by mass or greater, and the mass ratio (Fe/W) of the iron content and the tungsten content is 1 or greater.
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Inventors:
NISHIHARA TAKANORI (JP)
TATSUMI YOSHIHIRO (JP)
KITAMURA YUKI (JP)
TATSUMI YOSHIHIRO (JP)
KITAMURA YUKI (JP)
Application Number:
PCT/JP2023/026687
Publication Date:
January 25, 2024
Filing Date:
July 20, 2023
Export Citation:
Assignee:
KYOCERA CORP (JP)
OSAKA FUJI CORP (JP)
OSAKA FUJI CORP (JP)
International Classes:
B26B9/00; B23P15/40
Domestic Patent References:
WO2021081143A1 | 2021-04-29 |
Foreign References:
JP2018008074A | 2018-01-18 | |||
JP2013154599A | 2013-08-15 | |||
JP2016041853A | 2016-03-31 | |||
JP2022100186A | 2022-07-05 | |||
US20060090603A1 | 2006-05-04 |
Attorney, Agent or Firm:
BUNA PATENT ATTORNEYS (JP)
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