US2856659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making ingot of non-ferrous metals and alloys thereof
Assignee: Research Institute for Iron Steel and Other Metals of Tohoku University
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Filing: 1957-02-13
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Granted: 1958-10-21
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Expires: 1977-02-13
Abstract
No abstract record available.
Inventors
- 👤 Obinata Ichiji
- 👤 Komatsubara Takejiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:42
CPC Classifications
B; B22; B22D; B22D7/00; B22D7/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A METHOD OF MAKING INGOTS OF NON-FERROUS METALS SUCH AS ALUMINUM, ZINC, COPPER AND ALLOYS THEREOF, WHICH COMPRISES POURING A MOLTEN METAL DIRECTLY INTO A LIQUID CONTAINED IN AN OPEN BOTTOM MOLD WHICH IS COMPLETELY IMMERSED IN SAID LIQUID AND CAUSING THE MOLTEN METAL TO DEPOSIT SUCCESSIVELY ON THE PREVIOUSLY POURED AND SOLIDIFYING MASS AFTER MAKIING TURBULENT AND VIOLENT INTERPHASE AGITATION BETWEEN MOLECULES IN THE MASS, THEREBY RESULTING IN A UNIFORM AND HOMOGENEOUS DISPERSION AND MIXING OF PARTICLES AND INGREDIENTS, AND COMPLETING THE SOLIDIFICATION OF THE METAL MASS IN SAID LIQUID.
Claim 2
Independent Claim
91 words
A METHOD OF MAKING INGOTS OF NON-FERROUS METALS SUCH AS ALUMINUM, ZINC, COPPER AND ALLOYS THEREOF, WHICH COMPRISES POURING A MOLTEN METAL DIRECTLY INTO A LIQUID CONTAINED IN AN OPEN BOTTOM MOLD WHICH IS COMPLETELY IMMERSED IN SAID LIQUID AND CAUSING THE MOLTEN METAL TO DEPOSIT SUCCESSIVELY ON THE PREVIOUSLY POURED AND SOLIDIFYING MASS AFTER MAKIING TURBULENT AND VIOLENT INTERPHASE AGITATION BETWEEN MOLECULES IN THE MASS, THEREBY RESULTING IN A UNIFORM AND HOMOGENEOUS DISPERSION AND MIXING OF PARTICLES AND INGREDIENTS, AND COMPLETING THE SOLIDIFICATION OF THE METAL MASS IN SAID LIQUID.
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) | 1961-10-20 | 1962-04-21 | 1962-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-20 | 1966-04-21 | 1966-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-20 | 1970-04-21 | 1970-10-21 | $7700.00 | Window Closed / Lapsed |