WO2025005845 - MULTILAYERED COATING ON A CUTTING DEVICE
National phase entry:
Publication Number
WO/2025/005845
Publication Date
02.01.2025
International Application No.
PCT/SE2024/050505
International Filing Date
23.05.2024
Title **
[English]
MULTILAYERED COATING ON A CUTTING DEVICE
[French]
REVÊTEMENT MULTICOUCHES SUR UN DISPOSITIF DE COUPE
Applicants **
HUSQVARNA AB
Inventors
JUNAID, Muhammad
SARIUS, Niklas
STÅHLKRANZT, Adam
Priority Data
2350785-8
26.06.2023
SE
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
| Number of Priorities | * |
| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
| Pages for Publication | * |
| Number of Pages with Drawings | * |
| Pages of Specification | * |
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| Number of Office Actions | * |
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International Searching Authority |
EPO
* |
| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
* |
| Type of Assignment |
The Standard Agent's Assignment
* |
| Applicant's Legal Status |
Legal Entity
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| * | |
| * | |
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| Translation |
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* The data is based on automatic recognition. Please verify and amend if necessary.
** IP-Coster compiles data from publicly available sources. If this data includes your personal information, you can contact us to request its removal.
Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2341 | |
| EPO | Filing, Examination, Granting | 13773 | |
| Japan | Filing, Examination, Granting | 2512 | |
| South Korea | Filing, Examination, Granting | 2744 | |
| USA | Filing, Examination, Granting | 5940 |
Total:
27,310
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[English]
There is provided a cutting device comprising a base comprising bainite, and a multilayered coating present on the base, wherein said multilayered coating comprises several periods comprising at least two coating layers, of which at least one comprises chromium. Layers of pure chromium, chromium carbide or chromium nitride may be present. The coated cutting device has an excellent wear resistance and stay sharp properties. There is also provided a method for manufacturing such the cutting device, comprising the steps of providing a base comprising bainite and/or martensite, and forming a multilayered coating on the surface using PVD.[French]
L'invention concerne un dispositif de coupe comprenant une base comprenant de la bainite, et un revêtement multicouches présent sur la base, ledit revêtement multicouches comprenant plusieurs périodes comprenant au moins deux couches de revêtement, dont au moins une comprend du chrome. Des couches de chrome pur, de carbure de chrome ou de nitrure de chrome peuvent être présentes. Le dispositif de coupe revêtu présente d'excellentes propriétés de résistance à l'usure et de maintien du tranchant. L'invention concerne également un procédé de fabrication d'un tel dispositif de coupe, comprenant les étapes consistant à fournir une base comprenant de la bainite et/ou de la martensite, et à former un revêtement multicouches sur la surface à l'aide de PVD.