US3364980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wide strip mold for continuous casting
Assignee: Loma Machine Manuf Co Inc
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Filing: 1967-05-05
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Granted: 1968-01-23
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Expires: 1987-05-05
Abstract
No abstract record available.
Inventors
- 👤 Loewenstein Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:49
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/04; B22D11/053; B22D11/0535; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20642
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
AN APPARATUS FOR CONTINUOUS CASTING COMPRISING MEANS DEFINING A THROUGH CAVITY HAVING AN ENTRANCE END FOR RECEIVING A MOLTEN SUBSTANCE AND AN EXIT END FOR DISCHARGING SAID SUBSTANCE IN AT LEAST A PARTIALLY SOLIDIFIED STATE; SAID MEANS INCLUDING TWO SIDE MOLD PORTIONS DISPOSED OPPOSITE EACH OTHER IN SPACED VERTICAL PLANES AND HAVING MUTUALLY FACING INNER WALL SURFACES EXTENDING GENERALLY PARALLEL WITH EACH OTHER AND WITH THE AXIS OF SAID CAVITY; MEANS PIVOTALLY MOUNTING SAID OLD PORTIONS RESPECTIVELY ON PARALLEL HORIZONTAL PIVOTS AT SAID ENTRANCE END OF SAID CAVITY FOR SWINGING MOVEMENT ARRANGED SO THAT SAID MUTUALLY FACING WALL SURFACES ARE SWINGABLE TOWARD AND AWAY FROM EACH OTHER TO A GREATER EXTENT ADJACENT TO SAID EXIT END THAN AT SAID ENTRANCE END OF SAID CAVITY; AND POWER MEANS CONNECTED TO SAID MOLD PORTIONS FOR EFFECTING A PREDETERMINED SWINGING MOVEMENT OF SAID MOLD PORTIONS DURING CASTING, WHEREBY THE THICKNESS OF THE MOLD CAVITY BECOMES PROGRESSIVELY LESS TOWARD ITS DISCHARGE END AS SAID TWO MOLD PORTIONS CONVERGE SO AS TO HOT WORK THE METAL AND OFFSET ITS SHRINKAGE DUE TO COOLING AT THE DISCHARGE END OF THE MOLD.
Claim 2
Independent Claim
185 words
AN APPARATUS FOR CONTINUOUS CASTING COMPRISING MEANS DEFINING A THROUGH CAVITY HAVING AN ENTRANCE END FOR RECEIVING A MOLTEN SUBSTANCE AND AN EXIT END FOR DISCHARGING SAID SUBSTANCE IN AT LEAST A PARTIALLY SOLIDIFIED STATE; SAID MEANS INCLUDING TWO SIDE MOLD PORTIONS DISPOSED OPPOSITE EACH OTHER IN SPACED VERTICAL PLANES AND HAVING MUTUALLY FACING INNER WALL SURFACES EXTENDING GENERALLY PARALLEL WITH EACH OTHER AND WITH THE AXIS OF SAID CAVITY; MEANS PIVOTALLY MOUNTING SAID OLD PORTIONS RESPECTIVELY ON PARALLEL HORIZONTAL PIVOTS AT SAID ENTRANCE END OF SAID CAVITY FOR SWINGING MOVEMENT ARRANGED SO THAT SAID MUTUALLY FACING WALL SURFACES ARE SWINGABLE TOWARD AND AWAY FROM EACH OTHER TO A GREATER EXTENT ADJACENT TO SAID EXIT END THAN AT SAID ENTRANCE END OF SAID CAVITY; AND POWER MEANS CONNECTED TO SAID MOLD PORTIONS FOR EFFECTING A PREDETERMINED SWINGING MOVEMENT OF SAID MOLD PORTIONS DURING CASTING, WHEREBY THE THICKNESS OF THE MOLD CAVITY BECOMES PROGRESSIVELY LESS TOWARD ITS DISCHARGE END AS SAID TWO MOLD PORTIONS CONVERGE SO AS TO HOT WORK THE METAL AND OFFSET ITS SHRINKAGE DUE TO COOLING AT THE DISCHARGE END OF THE MOLD.
References Cited (Backward Citations)
FR846516A
Cited
US2578213A
Cited
US2754556A
Cited
US2779073A
Cited
US2966807A
Cited
US3075264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |