US3077274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Supply apparatus for shaft furnaces and the like
Assignee: Rheinische Kalksteinwerke GmbH
•
Filing: 1960-09-06
•
Granted: 1963-02-12
•
Expires: 1980-09-06
Abstract
No abstract record available.
Inventors
- 👤 Kitzrow Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:04
CPC Classifications
C; C21; C21B; C21B7/00; C21B7/18; C21B7/20; B; B65; B65G; B65G47/00; B65G47/52; B65G47/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
IN A SHAFT FURNACE, SUCH AS A BLAST FURNACE, LIME KILN, OR THE LIKE, IN COMBINATION, AN UPPER FURNACE PORTION HAVING A VERTICAL AXIS AND HAVING AN INNER PREDETERMINED CIRCULAR AREA IN A PLANE NORMAL TO SAID AXIS; ROTARY SUPPLY MEANS COAXIAL WITH AND LOCATED ABOVE SAID UPPER FURNACE PORTION AND INCLUDING A ROTARY SUPPLY DUCT HAVING A LOWER OUTLET END DESCRIBING, DURING ROTATION OF SAID ROTARY SUPPLY MEANS, A PREDETERMINED CIRCLE WHOSE CENTER IS IN SAID AXIS; ROTARY DISTRIBUTOR MEANS COAXIAL WITH AND LOCATED BETWEEN SAID SUPPLY MEANS AND SAID UPPER FURNACE PORTION; AND MEANS SUPPORTING SAID ROTARY SUPPLY MEANS AND SAID ROTARY DISTRIBUTOR MEANS FOR ROTATION ABOUT SAID VERTICAL AXIS RELATIVE TO EACH OTHER, SAID ROTARY DISTRIBUTOR MEANS INCLUDING A PLURALITY OF DISTRIBUTOR DUCTS WHICH ROTATE WITH SAID ROTARY DISTRIBUTOR MEANS, WHICH HAVE INLET ENDS RESPECTIVELY DISTRIBUTED ALONG SAID PREDETERMINED CIRCLE TO RECEIVE MATERIAL FROM SAID SUPPLY DUCT, AND WHICH RESPECTIVELY HAVE ABOVE BUT RELATIVELY CLOSE TO SAID PLANE A PLURALITY OF DISCHARGE MEANS RESPECTIVELY LOCATED AT DIFFERENT RADIAL DISTANCES FROM SAID AXIS FOR DISCHARGING, DURING ROTATION OF SAID ROTARY DISTRIBUTOR MEANS RELATIVE TO SAID ROTARY SUPPLY MEANS, MATERIAL OVER AN AREA SUBSTANTIALLY EQUAL TO SAID CIRCULAR AREA.
Claim 2
Dependent Claim
200 words
IN A SHAFT FURNACE, SUCH AS A BLAST FURNACE, LIME KILN, OR THE LIKE, IN COMBINATION, AN UPPER FURNACE PORTION HAVING A VERTICAL AXIS AND HAVING AN INNER PREDETERMINED CIRCULAR AREA IN A PLANE NORMAL TO SAID AXIS; ROTARY SUPPLY MEANS COAXIAL WITH AND LOCATED ABOVE SAID UPPER FURNACE PORTION AND INCLUDING A ROTARY SUPPLY DUCT HAVING A LOWER OUTLET END DESCRIBING, DURING ROTATION OF SAID ROTARY SUPPLY MEANS, A PREDETERMINED CIRCLE WHOSE CENTER IS IN SAID AXIS; ROTARY DISTRIBUTOR MEANS COAXIAL WITH AND LOCATED BETWEEN SAID SUPPLY MEANS AND SAID UPPER FURNACE PORTION; AND MEANS SUPPORTING SAID ROTARY SUPPLY MEANS AND SAID ROTARY DISTRIBUTOR MEANS FOR ROTATION ABOUT SAID VERTICAL AXIS RELATIVE TO EACH OTHER, SAID ROTARY DISTRIBUTOR MEANS INCLUDING A PLURALITY OF DISTRIBUTOR DUCTS WHICH ROTATE WITH SAID ROTARY DISTRIBUTOR MEANS, WHICH HAVE INLET ENDS RESPECTIVELY DISTRIBUTED ALONG SAID PREDETERMINED CIRCLE TO RECEIVE MATERIAL FROM SAID SUPPLY DUCT, AND WHICH RESPECTIVELY HAVE ABOVE BUT RELATIVELY CLOSE TO SAID PLANE A PLURALITY OF DISCHARGE MEANS RESPECTIVELY LOCATED AT DIFFERENT RADIAL DISTANCES FROM SAID AXIS FOR DISCHARGING, DURING ROTATION OF SAID ROTARY DISTRIBUTOR MEANS RELATIVE TO SAID ROTARY SUPPLY MEANS, MATERIAL OVER AN AREA SUBSTANTIALLY EQUAL TO SAID CIRCULAR AREA.
References Cited (Backward Citations)
US2082530A
Cited
US2654594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-11 | 1966-08-13 | 1967-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-11 | 1970-08-13 | 1971-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-11 | 1974-08-13 | 1975-02-12 | $7700.00 | Window Closed / Lapsed |