US3336973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous casting mold
Assignee: Babcock and Wilcox Co
•
Filing: 1964-10-20
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Granted: 1967-08-22
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Expires: 1984-10-20
Abstract
No abstract record available.
Inventors
- 👤 Temple W Ratcliffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:09
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/04; B22D11/059; B22D11/041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A CONTINUOUS CASTING MOLD COMPRISING WALLS DEFINING AN OPEN ENDED CAVITY TO RECEIVE MOLTEN METAL DELIVERED TO ONE END AND TO DISCHARGE AN EMBRYO CASTING FROM THE OPPOSITE END THEREOF, MEANS DEFINING COOLING FLUID FLOW PASSAGEWAYS TO COOL THE WALLS OF SAID MOLD, MEANS FORMING SLOTS EXTENDING OUTWARDLY FORM THE INTERIOR SURFACES OF SAID MOLD CAVITY PARTIALLY THROUGH THE MOLD WALLS TO RELIEVE THERMAL OPERATIONAL STRESSES IN THE SAID MOLD WALLS, AND METAL INSERTS OF GREATER DUCTILITY THAN THE FACE MATERIAL OF THE MOLD POSITIONED IN SAID SLOTS, SAID INSERTS BEING SUBSTANTIALLY FLUSH WITH THE INNER SURFACE OF SAID MOLD WALLS WHEN AT OPERATIONAL TEMPERATURE.
Claim 2
Dependent Claim
105 words
A CONTINUOUS CASTING MOLD COMPRISING WALLS DEFINING AN OPEN ENDED CAVITY TO RECEIVE MOLTEN METAL DELIVERED TO ONE END AND TO DISCHARGE AN EMBRYO CASTING FROM THE OPPOSITE END THEREOF, MEANS DEFINING COOLING FLUID FLOW PASSAGEWAYS TO COOL THE WALLS OF SAID MOLD, MEANS FORMING SLOTS EXTENDING OUTWARDLY FORM THE INTERIOR SURFACES OF SAID MOLD CAVITY PARTIALLY THROUGH THE MOLD WALLS TO RELIEVE THERMAL OPERATIONAL STRESSES IN THE SAID MOLD WALLS, AND METAL INSERTS OF GREATER DUCTILITY THAN THE FACE MATERIAL OF THE MOLD POSITIONED IN SAID SLOTS, SAID INSERTS BEING SUBSTANTIALLY FLUSH WITH THE INNER SURFACE OF SAID MOLD WALLS WHEN AT OPERATIONAL TEMPERATURE.
References Cited (Backward Citations)
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US1634999A
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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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |