US3343594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple billet continuous casting mold
Assignee: Davy Loewy Ltd
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Filing: 1965-08-25
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Granted: 1967-09-26
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Expires: 1985-08-25
Abstract
No abstract record available.
Inventors
- 👤 Dain Richard James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:53
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/04; B22D11/0403
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A RECIPROCABLE OPEN MOULD FORMED FROM HIGH HEAT CONDUCTIVITY MATERIAL AND HAVING AT LEAST TWO MOULD CHANNELS THE WALLS OF WHICH ARE ADAPTED TO BE COOLED, THE CROSS SECTION OF THE MOULD BEING SUBSTANTIALLY THE SAME AT THE END INTO WHICH MOLTEN METAL IS POURED AS AT THE END FROM WHICH THE CAST STRANDS ARE WITHDRAWN, EACH TWO ADJACENT CHANNELS BEING SEPARATED BY A PARTITION DEFINING A CONNECTING PASSAGE AT THE LEVEL OF THE MENISCUS OF MOLTEN METAL DURING CASTING WHEREBY METAL POURED INTO ONE CHANNEL CAN FLOW THROUGH THE PASSAGE INTO AN ADJACENT CHANNEL, AT LEAST THE PORTION OF EACH PARTITION AROUND A PASSAGE BEING FORMED OF REFRACTORY OR GRAPHITE MATERIAL, AND HEATING MEANS ARRANGED TO HEAT THE PORTION OF EACH PARTITION AROUND THE PASSAGE.
Claim 2
Dependent Claim
126 words
A RECIPROCABLE OPEN MOULD FORMED FROM HIGH HEAT CONDUCTIVITY MATERIAL AND HAVING AT LEAST TWO MOULD CHANNELS THE WALLS OF WHICH ARE ADAPTED TO BE COOLED, THE CROSS SECTION OF THE MOULD BEING SUBSTANTIALLY THE SAME AT THE END INTO WHICH MOLTEN METAL IS POURED AS AT THE END FROM WHICH THE CAST STRANDS ARE WITHDRAWN, EACH TWO ADJACENT CHANNELS BEING SEPARATED BY A PARTITION DEFINING A CONNECTING PASSAGE AT THE LEVEL OF THE MENISCUS OF MOLTEN METAL DURING CASTING WHEREBY METAL POURED INTO ONE CHANNEL CAN FLOW THROUGH THE PASSAGE INTO AN ADJACENT CHANNEL, AT LEAST THE PORTION OF EACH PARTITION AROUND A PASSAGE BEING FORMED OF REFRACTORY OR GRAPHITE MATERIAL, AND HEATING MEANS ARRANGED TO HEAT THE PORTION OF EACH PARTITION AROUND THE PASSAGE.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |