US3076241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Graphite mold casting system
Assignee: Reynolds Metals Co
•
Filing: 1959-06-22
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Granted: 1963-02-05
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Expires: 1979-06-22
Abstract
No abstract record available.
Inventors
- 👤 Simonson Lowden
- 👤 Wieman Clarence
- 👤 Jr Herbert K Reamey
- 👤 Kiefer John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:44
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/04; B22D11/045; B22D11/047; B22D11/059; B22D11/14; B22D11/143
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
IN THE METHOD OF CONTINUOUSLY CASTING METAL THROUGH A MOLD SHELL MADE OF GRAPHITE CAPABLE OF ABSORBING WATER, THE STEPS OF INITIATING THE CASTING OF THE METAL BY THE STEPS OF INSERTING A STARTER BLOCK INTO THE THE OPEN EXIT END OF THE MOLD SHELL, INTERNALLY COOLING SAID STARTER BLOCK WHILE FILLING THE MOLD SHELL WITH MOLTEN METAL UP TO THE STARTER BLOCK, AND COMMENCING TO SPRAY WATER DIRECTLY AGAINST THE OUTER GRAPHITE SURFACE OF THE MOLD SHELL ONLY AFTER IT HAS BEEN FILLED WITH MOLTEN METAL AND HAS BEEN HEATED TO A TEMPERATURE GREATLY IN EXCESS OF THE BOILING POINT OF WATER.
Claim 2
Dependent Claim
103 words
IN THE METHOD OF CONTINUOUSLY CASTING METAL THROUGH A MOLD SHELL MADE OF GRAPHITE CAPABLE OF ABSORBING WATER, THE STEPS OF INITIATING THE CASTING OF THE METAL BY THE STEPS OF INSERTING A STARTER BLOCK INTO THE THE OPEN EXIT END OF THE MOLD SHELL, INTERNALLY COOLING SAID STARTER BLOCK WHILE FILLING THE MOLD SHELL WITH MOLTEN METAL UP TO THE STARTER BLOCK, AND COMMENCING TO SPRAY WATER DIRECTLY AGAINST THE OUTER GRAPHITE SURFACE OF THE MOLD SHELL ONLY AFTER IT HAS BEEN FILLED WITH MOLTEN METAL AND HAS BEEN HEATED TO A TEMPERATURE GREATLY IN EXCESS OF THE BOILING POINT OF WATER.
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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) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |