Title:
切断刃、農業機械および切断刃の製造方法
Document Type and Number:
Japanese Patent JP7080163
Kind Code:
B2
Abstract:
To provide a cutting blade excellent in abrasion resistance.SOLUTION: A cutting blade 1 used for an agricultural machine, for cutting a farm crop, includes a substrate 10 constituted of a steel containing chromium, and a nitrided layer 11 formed on the outside of the substrate 10, and having a nitrogen concentration of 2 mass% or more. The nitrided layer 11 contains chromium nitride. A thickness t2 of the nitrided layer 11 is 30 μm or more.SELECTED DRAWING: Figure 2
Inventors:
Minoru Hineno
Tomoya Okada
Uemura Masaaki
Yuichi Kai
Tomoya Okada
Uemura Masaaki
Yuichi Kai
Application Number:
JP2018228949A
Publication Date:
June 03, 2022
Filing Date:
December 06, 2018
Export Citation:
Assignee:
Kubota Corporation
International Classes:
A01F29/02; A01F12/40; B26D1/00; C23C8/38
Domestic Patent References:
| JP2017112957A | ||||
| JP2016501053A | ||||
| JP8011086A | ||||
| JP55165791U | ||||
| JP3007402U |
Foreign References:
| WO2017047795A1 |
Attorney, Agent or Firm:
Fukami patent office
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