US3331680A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the addition of treating agents in metal casting
Assignee: SMS Concast AG
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Filing: 1964-03-04
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Granted: 1967-07-18
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Expires: 1984-03-04
Abstract
No abstract record available.
Inventors
- 👤 Leupold Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:21
CPC Classifications
B; B22; B22D; B22D11/00; B22D11/10; B22D11/108; B22D11/11; C; C21; C21C; C21C7/00; C21C7/0037; C21C7/0043; C21C7/0056; C22; C22C; C22C1/00; C22C1/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
144 words
THE METHOD OF ADDING AGENTS IN A CONTINUOUS CASTING PROCESS IN WHICH MOLTEN METAL IS POURED FROM A POURING VESSEL IN A DEFINED STREAM INTO AN OPEN-ENDED CONTINUOUS CASTING MOLD WITHIN WHICH THE PERIPHERY OF THE MOLTEN METAL IS CHILLED TO DEFINE THE PERIPHERY OF THE FORMED STRAND, WHICH COMPRISES FORMING SAID AGENT IN THE FORM OF A WIRE, FEEDING SAID WIRE INTO SAID MOLTEN METAL STREAM AT A LOCATION BETWEEN SAID POURING VESSEL AND SAID CONTINUOUS CASTING MOLD, AND BLOWING A JACKET OF PROTECTIVE GAS AROUND SAID WIRE TO PROTECT SAID WIRE AGAINST HEAT-INDUCED DISTORTION OF THE WIRE AS SAID WIRE IS FED TOWARDS SAID MOLTEN METAL STREAM, THEREBY TO CONTROL THE ENTRY OF SAID WIRE INTO SAID STREAM AND THE RATE OF ENTRY OF SAID WIRE INTO SAID STREAM, WHEREIN SAID WIRE IS MELTED AND COMINGLED WITH THE MOLTEN METAL BEING POURED.
Claim 2
Independent Claim
144 words
THE METHOD OF ADDING AGENTS IN A CONTINUOUS CASTING PROCESS IN WHICH MOLTEN METAL IS POURED FROM A POURING VESSEL IN A DEFINED STREAM INTO AN OPEN-ENDED CONTINUOUS CASTING MOLD WITHIN WHICH THE PERIPHERY OF THE MOLTEN METAL IS CHILLED TO DEFINE THE PERIPHERY OF THE FORMED STRAND, WHICH COMPRISES FORMING SAID AGENT IN THE FORM OF A WIRE, FEEDING SAID WIRE INTO SAID MOLTEN METAL STREAM AT A LOCATION BETWEEN SAID POURING VESSEL AND SAID CONTINUOUS CASTING MOLD, AND BLOWING A JACKET OF PROTECTIVE GAS AROUND SAID WIRE TO PROTECT SAID WIRE AGAINST HEAT-INDUCED DISTORTION OF THE WIRE AS SAID WIRE IS FED TOWARDS SAID MOLTEN METAL STREAM, THEREBY TO CONTROL THE ENTRY OF SAID WIRE INTO SAID STREAM AND THE RATE OF ENTRY OF SAID WIRE INTO SAID STREAM, WHEREIN SAID WIRE IS MELTED AND COMINGLED WITH THE MOLTEN METAL BEING POURED.
Claim 3
Dependent Claim
211 words
APPARATUS FOR INTRODUCING ADDITIONAL METALLIC AGENTS IN THE FORM OF A WIRE TO THE METAL BEING CAST IN A CONTINUOUS CASTING PROCESS IN WHICH MOLTEN METAL IS POURED FROM A POURING VESSEL INTO AN OPEN-ENDED CONTINUOUS CASTING MOLD WHICH SOLIDIFIES THE PERIPHERY OF THE METAL TO DEFINE THE CONTINUOUSLY CAST STRAND, WHICH COMPRISES STORAGE MEANS FOR SAID WIRE, A GUIDE EXTENDING FROM SAID STORAGE MEANS TOWARD SAID MOLTEN METAL STREAM AT A POSITION BETWEEN SAID POURING VESSEL AND SAID CONTINUOUS CASTING MOLD, A NOZZLE ASSEMBLY POSITIONED AT THE END OF SAID GUIDE NEAREST SAID MOLTEN METAL STREAM, MEANS FOR FEEDING SAID WIRE THROUGH SAID GUIDE AND NOZZLE TO ADVANCE SAID WIRE INTO SAID MOLTEN METAL STREAM, WHEREIN SAID WIRE IS MELTED BY THE HEAT OF SAID STREAM AND MIXES WITH THE MOLTEN METAL IN SAID STREAM, SAID NOZZLE ASSEMBLY, BEING PROVIDED WITH GAS DISCHARGE ORIFICES ENCIRCLING SAID WIRE AS IT EXITS THEREFROM, AND MEANS FOR FEEDING GAS TO GAS DISCHARGING ORIFICES IN SAID NOZZLE ASSEMBLY TO BLOW INERT GAS AROUND SAID WIRE TO COOL SAID WIRE AND TO PREVENT SAID WIRE FROM HEATINDUCED DEFORMATION AS IT IS ADVANCED TOWARDS SAID MOLTEN METAL STREAM, THEREBY TO PERMIT ACCURATE CONTROL OF THE RATE AND MAOUNT OF MATERIAL ADDED TO SAID MOLTEN METAL STREAM.
Claim 4
Dependent Claim
211 words
APPARATUS FOR INTRODUCING ADDITIONAL METALLIC AGENTS IN THE FORM OF A WIRE TO THE METAL BEING CAST IN A CONTINUOUS CASTING PROCESS IN WHICH MOLTEN METAL IS POURED FROM A POURING VESSEL INTO AN OPEN-ENDED CONTINUOUS CASTING MOLD WHICH SOLIDIFIES THE PERIPHERY OF THE METAL TO DEFINE THE CONTINUOUSLY CAST STRAND, WHICH COMPRISES STORAGE MEANS FOR SAID WIRE, A GUIDE EXTENDING FROM SAID STORAGE MEANS TOWARD SAID MOLTEN METAL STREAM AT A POSITION BETWEEN SAID POURING VESSEL AND SAID CONTINUOUS CASTING MOLD, A NOZZLE ASSEMBLY POSITIONED AT THE END OF SAID GUIDE NEAREST SAID MOLTEN METAL STREAM, MEANS FOR FEEDING SAID WIRE THROUGH SAID GUIDE AND NOZZLE TO ADVANCE SAID WIRE INTO SAID MOLTEN METAL STREAM, WHEREIN SAID WIRE IS MELTED BY THE HEAT OF SAID STREAM AND MIXES WITH THE MOLTEN METAL IN SAID STREAM, SAID NOZZLE ASSEMBLY, BEING PROVIDED WITH GAS DISCHARGE ORIFICES ENCIRCLING SAID WIRE AS IT EXITS THEREFROM, AND MEANS FOR FEEDING GAS TO GAS DISCHARGING ORIFICES IN SAID NOZZLE ASSEMBLY TO BLOW INERT GAS AROUND SAID WIRE TO COOL SAID WIRE AND TO PREVENT SAID WIRE FROM HEATINDUCED DEFORMATION AS IT IS ADVANCED TOWARDS SAID MOLTEN METAL STREAM, THEREBY TO PERMIT ACCURATE CONTROL OF THE RATE AND MAOUNT OF MATERIAL ADDED TO SAID MOLTEN METAL STREAM.
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) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |