US3070858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods and apparatus for mixing foundry sand
Assignee: Individual
•
Filing: 1959-06-22
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Granted: 1963-01-01
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Expires: 1979-06-22
Abstract
No abstract record available.
Inventors
- 👤 James S Deacon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:31
CPC Classifications
B; B22; B22C; B22C5/00; B22C5/18; B22C5/185; B22C5/04; B22C5/0409; B22C5/0463
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
IN APPARATUS FOR CONDITIONING FOUNDRY SAND, A SLURRY TANK FOR ADDITIVES AND WATER, MEANS FOR ADDING WATER TO SAID SLURRY TANK INCLUDING VALVE MEANS FOR CONTROLLING SAID WATER, A SEPARATOR ADAPTED TO DISCHARGE ADDITIVE AND WATER INTO SAID SLURRY TANK, MEANS FOR CIRCULATING ADDITIVE AND WATER FROM SAID SLURRY TANK TO SAID SEPARATOR, AT LEAST ONE HOPPER CONTAINING ADDITIVE, A DUCT CONNECTED BETWEEN SAID SEPARATOR AND SAID HOPPER INCLUDING MEANS FOR MOVING ADDITIVE-LADEN AIR TO SAID SEPARATOR, MEANS INTERPOSED BETWEEN SAID DUCT AND SAID HOPPER FOR METERING THE AMOUNT OF ADDITIVE MOVED IN SAID DUCT, A MIXER FOR A BATCH OF FOUNDRY SAND, SAID MIXER BEING ADAPTED TO RECEIVE THE ADDITIVE-WATER MIXTURE FROM SAID SLURRY TANK, MEANS FOR MEASURING THE TEMPERATURE AND MOISTURE CONTENT OF SAID BATCH, MEANS FOR MEASURING THE AMOUNT OF SLURRY IN SAID SLURRY TANK, BOTH OF SAID MEASURING MEANS ACTUATING MEANS CONTROLLING SAID VALVE MEANS, AND MEANS FOR MEASURING THE PH OF SAID SLURRY, SAID LAST NAMED MEANS CONTROLLING SAID METERING MEANS.
Claim 2
Dependent Claim
166 words
IN APPARATUS FOR CONDITIONING FOUNDRY SAND, A SLURRY TANK FOR ADDITIVES AND WATER, MEANS FOR ADDING WATER TO SAID SLURRY TANK INCLUDING VALVE MEANS FOR CONTROLLING SAID WATER, A SEPARATOR ADAPTED TO DISCHARGE ADDITIVE AND WATER INTO SAID SLURRY TANK, MEANS FOR CIRCULATING ADDITIVE AND WATER FROM SAID SLURRY TANK TO SAID SEPARATOR, AT LEAST ONE HOPPER CONTAINING ADDITIVE, A DUCT CONNECTED BETWEEN SAID SEPARATOR AND SAID HOPPER INCLUDING MEANS FOR MOVING ADDITIVE-LADEN AIR TO SAID SEPARATOR, MEANS INTERPOSED BETWEEN SAID DUCT AND SAID HOPPER FOR METERING THE AMOUNT OF ADDITIVE MOVED IN SAID DUCT, A MIXER FOR A BATCH OF FOUNDRY SAND, SAID MIXER BEING ADAPTED TO RECEIVE THE ADDITIVE-WATER MIXTURE FROM SAID SLURRY TANK, MEANS FOR MEASURING THE TEMPERATURE AND MOISTURE CONTENT OF SAID BATCH, MEANS FOR MEASURING THE AMOUNT OF SLURRY IN SAID SLURRY TANK, BOTH OF SAID MEASURING MEANS ACTUATING MEANS CONTROLLING SAID VALVE MEANS, AND MEANS FOR MEASURING THE PH OF SAID SLURRY, SAID LAST NAMED MEANS CONTROLLING SAID METERING MEANS.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |