US5580653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hard coating having excellent wear resistance properties, and hard coating coated member
Assignee: Mitsubishi Materials Corp
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Filing: 1995-05-02
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Granted: 1996-12-03
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Expires: 2015-05-02
Abstract
Abstract A hard coating of general formula (Al,Ti,Si)N or (Al,Ti,Si)(C,N) exhibiting excellent wear resistance and oxidation resistance properties, and a coated member such as a cutting tool etc. comprising a substrate and the hard coating formed on the surface of the substrate.
Inventors
- 👤 Yusuke Tanaka
- 👤 Yasuyuki Yamada
- 👤 Yasushi Onishi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:18
CPC Classifications
C; C23; C23C; C23C30/00; C23C14/00; C23C14/06; C23C14/0641; C23C14/0664; C23C30/005; Y; Y10; Y10T; Y10T407/00; Y10T407/27; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
20 words
A hard coating having a composition given by the following formula: (Al.sub.x Ti.sub.1-x-y Si.sub.y)(N.sub.z C.sub.1-z), where 0.05≦x≦0.75, 0.01≦y≦0.1, and 0.6≦z≦1.
Claim 2
Dependent Claim
20 words
A hard coating having a composition given by the following formula: (Al.sub.x Ti.sub.1-x-y Si.sub.y)(N.sub.z C.sub.1-z), where 0.05≦x≦0.75, 0.01≦y≦0.1, and 0.6≦z≦1.
Claim 3
Dependent Claim
15 words
The hard coating according to claim 1 having a thickness in the range 0.1-20 μm.
Claim 4
Dependent Claim
23 words
A coated member comprising a substrate and a coating as claimed in claims 1 or 2 formed on the surface of said substrate.
Claim 5
Dependent Claim
15 words
A coated member according to claim 3 wherein said coated member is a cutting tool.
Claim 6
Dependent Claim
24 words
The coated member according to claim 3 wherein said coating is formed on the surface of said substrate using an arc discharge ion-plating method.
References Cited (Backward Citations)
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US4525415A
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US4447263A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1999-12-03 | 2000-06-03 | 2000-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-12-03 | 2004-06-03 | 2004-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-12-03 | 2008-06-03 | 2008-12-03 | $7700.00 | Window Closed / Lapsed |