US3234010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and process for high speed scrap smelting
Assignee: Individual
•
Filing: 1962-12-31
•
Granted: 1966-02-08
•
Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Harold A Mahony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:25
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/56; C21C5/562; Y; Y02; Y02P; Y02P10/00; Y02P10/20; Y10; Y10S; Y10S266/00; Y10S266/90; Y10S266/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
THE PROCESS OF SMELTING METAL SCRAP WHICH COMPRISES PASSING THE SCRAP DOWNWARDLY THROUGH AN INCLINED STACK THROUGH WHICH HOT REDUCING GASES FLOW IN A DIRECTION OPPOSITE TO THE FLOW OF THE SCRAP, APPLYING OXYGEN TO THE SCRAP IN A DIRECTION CORRESPONDING TO THE FLOW OF THE SCRAP METAL AND IN AN AMOUNT SUFFICIENT TO MELT THE SCRAP AS IT PASSES THROUGH A THROAT LEADING INTO THE FURNACE AND SIMULTANEOUSLY PASSING A SUFFICIENT AMOUNT OF GAS CONTAINING HYDROCARBONS INTO THE THROAT AS THE SCRAP PASSES THROUGH THE THROAT TO FORM A REDUCING GAS, THEREBY REDUCING METAL OXIDES IN THE SCRAP AND PROVIDING THE REDUCING GAS WHICH FLOWS IN A DIRECTION COUNTER CURRENT TO THE DOWNWARDLY PASSAGE OF THE SCRAP.
Claim 2
Dependent Claim
118 words
THE PROCESS OF SMELTING METAL SCRAP WHICH COMPRISES PASSING THE SCRAP DOWNWARDLY THROUGH AN INCLINED STACK THROUGH WHICH HOT REDUCING GASES FLOW IN A DIRECTION OPPOSITE TO THE FLOW OF THE SCRAP, APPLYING OXYGEN TO THE SCRAP IN A DIRECTION CORRESPONDING TO THE FLOW OF THE SCRAP METAL AND IN AN AMOUNT SUFFICIENT TO MELT THE SCRAP AS IT PASSES THROUGH A THROAT LEADING INTO THE FURNACE AND SIMULTANEOUSLY PASSING A SUFFICIENT AMOUNT OF GAS CONTAINING HYDROCARBONS INTO THE THROAT AS THE SCRAP PASSES THROUGH THE THROAT TO FORM A REDUCING GAS, THEREBY REDUCING METAL OXIDES IN THE SCRAP AND PROVIDING THE REDUCING GAS WHICH FLOWS IN A DIRECTION COUNTER CURRENT TO THE DOWNWARDLY PASSAGE OF THE SCRAP.
References Cited (Backward Citations)
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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) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |