US3337205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tiltable crucible or converter for refining pig iron
Assignee: Voestalpine AG
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Filing: 1964-01-29
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Granted: 1967-08-22
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Expires: 1984-01-29
Abstract
No abstract record available.
Inventors
- 👤 Puxkandl Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:32
CPC Classifications
C; C21; C21C; C21C5/00; C21C5/28; C21C5/42; C21C5/46; C21C5/4633; C21C5/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A TILTABLE METALLURGICAL VESSEL COMPRISING A CRUCIBLE FOR REFINING PIG IRON HAVING PAIRS OF BRACKETS SPACED AROUND ITS PERIPHERY AND CONNECTED TO THE CRUCIBLE WALL, EACH BRACKET HAVING A PROJECTING FLANGE PROVIDED WITH AN INCLINED BEARING SURFACE SLANTING TOWARDS THE CENTER OF THE CRUCIBLE, A CARRYING RING FOR SUPPORTING SAID CRUCIBLE HAVING INCLINED BEARING SURFACE ON THE UPPER AND LOWER SURFACES THEREOF AT POINTS CORRESPONDING TO THE POSITIONS OF THE BRACKETS, SAID RING BEARING SURFACES HAVING INCLINED BEARING SURFACES SLANTING TOWARDS THE CENTER OF THE RING AT ANGLES SUBSTANTIALLY COMPLEMENTAL TO THE BEARING SURFACES ON BRACKETS, THE BEARING SURFACES ON SAID BRACKETS AND THE BEARING SURFACES ON SAID RING FACING EACH OTHER, SAID BEARING SURFACES ON EACH PAIR OF SAID BRACKETS BEING SPACED APART A DISTANCE SLIGHTLY GREATER THAN THE DISTANCE BETWEEN CORRESPONDING BEARING SURFACES ON SAID RING TO PROVIDE A CLEARANCE THEREBWTEEN.
Claim 2
Dependent Claim
143 words
A TILTABLE METALLURGICAL VESSEL COMPRISING A CRUCIBLE FOR REFINING PIG IRON HAVING PAIRS OF BRACKETS SPACED AROUND ITS PERIPHERY AND CONNECTED TO THE CRUCIBLE WALL, EACH BRACKET HAVING A PROJECTING FLANGE PROVIDED WITH AN INCLINED BEARING SURFACE SLANTING TOWARDS THE CENTER OF THE CRUCIBLE, A CARRYING RING FOR SUPPORTING SAID CRUCIBLE HAVING INCLINED BEARING SURFACE ON THE UPPER AND LOWER SURFACES THEREOF AT POINTS CORRESPONDING TO THE POSITIONS OF THE BRACKETS, SAID RING BEARING SURFACES HAVING INCLINED BEARING SURFACES SLANTING TOWARDS THE CENTER OF THE RING AT ANGLES SUBSTANTIALLY COMPLEMENTAL TO THE BEARING SURFACES ON BRACKETS, THE BEARING SURFACES ON SAID BRACKETS AND THE BEARING SURFACES ON SAID RING FACING EACH OTHER, SAID BEARING SURFACES ON EACH PAIR OF SAID BRACKETS BEING SPACED APART A DISTANCE SLIGHTLY GREATER THAN THE DISTANCE BETWEEN CORRESPONDING BEARING SURFACES ON SAID RING TO PROVIDE A CLEARANCE THEREBWTEEN.
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) | 1970-08-21 | 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 |