US2755327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for the discharge of molten metal
Assignee: Ajax Engineering Corp
•
Filing: 1951-05-02
•
Granted: 1956-07-17
•
Expires: 1971-05-02
Abstract
No abstract record available.
Inventors
- 👤 Tama Mario
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:23
CPC Classifications
B; B22; B22D; B22D17/00; B22D17/20; B22D17/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
IN AN INDUCTION PUMP FOR SUCCESSIVELY DISPENSING MOLTEN METALS A TRIANGULARLY SHAPED RECEPACLE TO HOLD SAID MOLTEN METAL, SAID RECEPTACLE COMPRISING DOWNWARDLY CONVERGING FRONT AND REAR WALLS AND TWO OPPOSITE SIDE WALLS, A REFRACTORY BLOCK ATTACHED TO THE INCLINED REAR WALL, AN INDUCTOR UNIT LOCATED IN SAID BLOCK AND ADAPTED TO SUBJECT SAID MOLTEN METAL TO INTERNAL PRESSURE ENERGY, AN INCLINED TUBE FOR THE DISCHARGE OF THE MOLTEN METAL FROM SAID RECEPTACLE, SAID TUBE EXTENDING WITH ITS LOWER END TOWARDS SAID INDUCTOR UNIT AND PROJECTING WITH ITS UPPER END FROM SAID RECEPTACLE, MEANS LOCATED IN THE LOWER END OF SAID INCLINED TUBE TO CONSTRICT THE METAL FLOW FROM SAID RECEPTACLE INTO SAID TUBE AND MEANS TO LIFT SAID REFRACTORY BLOCK AND THEREWITH THE REAR END OF SAID TUBE FOR THE DISCHARGE OF THE METAL FROM SAID RECEPTACLE.
Claim 2
Dependent Claim
137 words
IN AN INDUCTION PUMP FOR SUCCESSIVELY DISPENSING MOLTEN METALS A TRIANGULARLY SHAPED RECEPACLE TO HOLD SAID MOLTEN METAL, SAID RECEPTACLE COMPRISING DOWNWARDLY CONVERGING FRONT AND REAR WALLS AND TWO OPPOSITE SIDE WALLS, A REFRACTORY BLOCK ATTACHED TO THE INCLINED REAR WALL, AN INDUCTOR UNIT LOCATED IN SAID BLOCK AND ADAPTED TO SUBJECT SAID MOLTEN METAL TO INTERNAL PRESSURE ENERGY, AN INCLINED TUBE FOR THE DISCHARGE OF THE MOLTEN METAL FROM SAID RECEPTACLE, SAID TUBE EXTENDING WITH ITS LOWER END TOWARDS SAID INDUCTOR UNIT AND PROJECTING WITH ITS UPPER END FROM SAID RECEPTACLE, MEANS LOCATED IN THE LOWER END OF SAID INCLINED TUBE TO CONSTRICT THE METAL FLOW FROM SAID RECEPTACLE INTO SAID TUBE AND MEANS TO LIFT SAID REFRACTORY BLOCK AND THEREWITH THE REAR END OF SAID TUBE FOR THE DISCHARGE OF THE METAL FROM SAID RECEPTACLE.
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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) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |