Patent US4367083A successfully refreshed from Google Patents.
US4367083A
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Nickel-base spinner alloy
Assignee: Owens Corning Fiberglas Technology Inc
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Filing: 1981-11-06
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Granted: 1983-01-04
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Expires: 2001-11-06
Abstract
Abstract A nickel-base alloy, particularly suitable for high temperature molten glass environments, and articles manufactured from the alloy, preferably by casting, are disclosed.
Inventors
- 👤 David J. Gaul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:29
CPC Classifications
C; C03; C03B; C03B37/00; C03B37/01; C03B37/04; C03B37/047; C22; C22C; C22C19/00; C22C19/03; C22C19/05; C22C19/051; C22C19/056
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
53 words
A composition of matter consisting essentially of the following elements in amounts expressed in weight percent: Chromium--from about 11.75 to about 13 Wolfram--from about 9 to about 11 Cobalt--from about 9 to about 11 Tantalum--from about 5 to about 6.8 Carbon--from about 0.5 to about 0.7 Silicon--from about 0.5 to about 0.7 Nickel--balance
Claim 2
Dependent Claim
53 words
A composition of matter consisting essentially of the following elements in amounts expressed in weight percent: Chromium--from about 11.75 to about 13 Wolfram--from about 9 to about 11 Cobalt--from about 9 to about 11 Tantalum--from about 5 to about 6.8 Carbon--from about 0.5 to about 0.7 Silicon--from about 0.5 to about 0.7 Nickel--balance
Claim 3
Dependent Claim
33 words
The composition of claim 1 in which said elements are contained in the following approximate amounts, expressed in weight percent. Chromium--about 12.5 Wolfram--about 10.0 Cobalt--about 10.0 Tantalum--about 6.0 Carbon--about 0.6 Silicon--about 0.6 Nickel--balance
Claim 4
Dependent Claim
25 words
The composition of claim 1 in which said composition contains less than about 1 weight percent iron and less than about 0.015 weight percent sulfur.
Claim 5
Dependent Claim
14 words
The composition of claim 1 which is castable in air at about 2900° F.
Claim 6
Dependent Claim
22 words
The composition of claim 1 having a steady state creep rate at 2100° F. and 3000 psi of about 2×10 -4 in./in./hr.
Claim 7
Dependent Claim
20 words
The composition of claim 1 having a rupture life within the range of from about 40 to about 96 hours.
Claim 8
Dependent Claim
25 words
The composition of claim 1 which is poured at about 2900° F. and heat treated by annealing for about four hours at about 2000° F.
Claim 9
Dependent Claim
15 words
An article of manufacture produced by casting the composition of matter defined in claim 1.
Claim 10
Dependent Claim
15 words
An article of manufacture produced by casting the composition of matter defined in claim 2.
Claim 11
Dependent Claim
19 words
A spinner comprised of the composition of claim 1, said spinner having foraminous walls and being adapted for rotation.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-01-03 | 1986-07-05 | 1987-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-01-03 | 1990-07-05 | 1991-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-01-03 | 1994-07-05 | 1995-01-04 | $7700.00 | Window Closed / Lapsed |