US2801161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for operating a bessemer converter
Assignee: Bethlehem Steel Corp
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Filing: 1956-04-30
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Granted: 1957-07-30
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Expires: 1976-04-30
Abstract
No abstract record available.
Inventors
- 👤 Donald W Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:26
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A PROCESS OF OPERATING A BESSEMER CONVERTER WHICH COMPRISES THE STEPS OF MEASURING THE RADIATION OF A PORTION OF THE FLAME DURING THE CARBON BLOW, SUCH PORTIOR OF THE FLAME BEING THAT NEAR THE MOUTH OF THE CONVERTER FOR THE FULL WIDTH OF FLAME AND THE FRACTION OF THE HEIGHT OF THE FLAME OF CONSTANT LENGTH, THE RADIATION MEASURED BEING SUBSTANTIALLY LIMITED TO THAT HAVING WAVE LENGTHS BETWEEN 0.32 MICRON, CONTROLLING THE TEMPERATURE OF THE BESSEMER METAL IN ACCORDANCE WITH THE RADIATION MEASUREMENT DURING THE CARBON BLOW, AND TURNING DOWN THE CONVERTER IN ACCORDANCE WITH THE RADIATION MEASUREMENT.
Claim 2
Dependent Claim
98 words
A PROCESS OF OPERATING A BESSEMER CONVERTER WHICH COMPRISES THE STEPS OF MEASURING THE RADIATION OF A PORTION OF THE FLAME DURING THE CARBON BLOW, SUCH PORTIOR OF THE FLAME BEING THAT NEAR THE MOUTH OF THE CONVERTER FOR THE FULL WIDTH OF FLAME AND THE FRACTION OF THE HEIGHT OF THE FLAME OF CONSTANT LENGTH, THE RADIATION MEASURED BEING SUBSTANTIALLY LIMITED TO THAT HAVING WAVE LENGTHS BETWEEN 0.32 MICRON, CONTROLLING THE TEMPERATURE OF THE BESSEMER METAL IN ACCORDANCE WITH THE RADIATION MEASUREMENT DURING THE CARBON BLOW, AND TURNING DOWN THE CONVERTER IN ACCORDANCE WITH THE RADIATION MEASUREMENT.
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) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |