US3933483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silicon-containing nickel-aluminum-molybdenum heat resisting alloy
Assignee: Toyota Central R&D Labs Inc
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Filing: 1975-01-15
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Granted: 1976-01-20
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Expires: 1995-01-15
Abstract
Abstract An alloy of nickel-aluminum-molybdenum containing silicon in the ranges enclosed between points A (nickel-85% by weight, aluminum-5% by weight, molybdenum-10% by weight), B (nickel-75%, aluminum-15%, molybdenum-10%), C (nickel-65%, aluminum-15%, molybdenum-20%) and D (nickel-75%, aluminum-5%, molybdenum-20%) as shown in FIG. 1 and including silicon in the range of 0.1 to 3% by weight and preferably in a range of 0.5 to 2.5% by weight.
Inventors
- 👤 Noboru Komatsu
- 👤 Takatoshi Suzuki
- 👤 Nobuyuki Yamamoto
- 👤 Yukikazu Tsuzuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:46
CPC Classifications
C; C22; C22C; C22C19/00; C22C19/03
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
51 words
A heat resisting alloy consisting essentially of a basic constituent; and an additive of silicon in the range of 0.5-2.5% by weight of the total alloy; said basic constituent comprising nickel, aluminum and molybdenum in the following percentage by weight of the basic constituent: nickel 65-85%, aluminum 5-15% and molybdenum 10-20%.
Claim 2
Dependent Claim
51 words
A heat resisting alloy consisting essentially of a basic constituent; and an additive of silicon in the range of 0.5-2.5% by weight of the total alloy; said basic constituent comprising nickel, aluminum and molybdenum in the following percentage by weight of the basic constituent: nickel 65-85%, aluminum 5-15% and molybdenum 10-20%.
Claim 3
Dependent Claim
24 words
A heat resisting alloy according to claim 1, wherein said additive of silicon is no less than 1% by weight of the total alloy.
Claim 4
Dependent Claim
25 words
A heat resisting alloy according to claim 1, wherein said additive of silicon is in a range of 1-2% by weight of the total alloy.
Claim 5
Dependent Claim
28 words
A heat resisting alloy according to claim 1, wherein the molybdenum is present in the basic constituent in a range of 13-17% by weight of the basic constituent.
Claim 6
Dependent Claim
19 words
A heat resisting alloy accordinng to claim 1, wherein the percentage of molybdenum in the basic constituent is 15%.
Claim 7
Dependent Claim
35 words
A heat resisting alloy according to claim 1, wherein the percentage by weight of the nickel, aluminum and molybdenum of the basic constituent is in the range of 75-80% nickel, 6-8% aluminum and 15-18% molybdenum.
Claim 8
Dependent Claim
31 words
A heat resisting alloy according to claim 1, wherein the percentage by weight of the nickel, aluminum and molybdenum of the basic constituent is nickel 76.4%, aluminum 7% and molybdenum 16.6%.
Claim 9
Dependent Claim
25 words
A heat resisting alloy according to claim 7, wherein the additive of silicon is in the range of 1-2% by weight of the total alloy.
Claim 10
Dependent Claim
38 words
A heat resisting alloy according to claim 1, wherein the percentage by weight of the basic constituent is nickel 76%, aluminum 6.9%, molybdenum 16.54% and having an additive of silicon of 0.5% by weight of the total alloy.
Claim 11
Dependent Claim
38 words
A heat resisting alloy according to claim 1, wherein the percentage by weight of the basic constituent is nickel 72.5%, aluminum 10.5%, molybdenum 16.5% and having an additive of silicon of 0.5% by weight of the total alloy.
Claim 12
Dependent Claim
38 words
A heat resisting alloy according to claim 1, wherein the percentage by weight of the basic constituent is nickel 70.6%, aluminum 12.4%, molybdenum 16.5% and having a additive of silicon of 0.5% by weight of the total alloy.
References Cited (Backward Citations)
US1461178A
Cited
US2542962A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-01-19 | 1979-07-21 | 1980-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-19 | 1983-07-21 | 1984-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-19 | 1987-07-21 | 1988-01-20 | $7700.00 | Window Closed / Lapsed |