US3081833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spreader beam and weigh scale for teeming ladles
Assignee: United States Steel Corp
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Filing: 1961-10-12
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Granted: 1963-03-19
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Expires: 1981-10-12
Abstract
No abstract record available.
Inventors
- 👤 William H Kester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:56
CPC Classifications
G; G01; G01G; G01G19/00; G01G19/14; G01G19/18; B; B66; B66C; B66C1/00; B66C1/10; B66C1/22; B66C1/34; B66C1/40; B66C1/62; B66C1/66; B66C13/00; B66C13/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN APPARATUS FOR WEIGHING MOLTEN METAL IN A LADLE SUSPENDED FROM A TRAVELLING CRANE BY A PAIR OF LADLE HANGERS AND A SPREADER BEAM, THE COMBINATION COMPRISING A PAIR OF PARALLEL CROSS-BEAMS RESPECTIVELY ARRANGED ADJACENT OPPOSITE ENDS OF SAID SPREADER BEAM IN POSITIONS EXTENDING TRANSVERSELY THEREOF, EACH OF SAID CROSSBEAMS HAVING A SUPPORTING CONNECTION AT A POINT CENTRALLY LOCATED BETWEEN ITS ENDS WITH THE UPPER END OF ONE OF SAID LADLE HANGERS, AND MEANS COMPRISING SEPARATE PAIRS OF ELECTRICAL COMPRESSION CELLS SUPPORTING SAID CROSS BEAMS ON SAID SPREADER BEAM, SAID ELECTRICAL COMPRESSION CELLS BEING RESPECTIVELY ARRANGED BETWEEN THE SAID ENDS OF SAID CROSS-BEAMS AND SAID SPREADER BEAM IN POSITIONS CUMULATIVELY SUBJECT TO THE WEIGHT OF THE METAL IN SAID LADLE.
Claim 2
Dependent Claim
120 words
IN APPARATUS FOR WEIGHING MOLTEN METAL IN A LADLE SUSPENDED FROM A TRAVELLING CRANE BY A PAIR OF LADLE HANGERS AND A SPREADER BEAM, THE COMBINATION COMPRISING A PAIR OF PARALLEL CROSS-BEAMS RESPECTIVELY ARRANGED ADJACENT OPPOSITE ENDS OF SAID SPREADER BEAM IN POSITIONS EXTENDING TRANSVERSELY THEREOF, EACH OF SAID CROSSBEAMS HAVING A SUPPORTING CONNECTION AT A POINT CENTRALLY LOCATED BETWEEN ITS ENDS WITH THE UPPER END OF ONE OF SAID LADLE HANGERS, AND MEANS COMPRISING SEPARATE PAIRS OF ELECTRICAL COMPRESSION CELLS SUPPORTING SAID CROSS BEAMS ON SAID SPREADER BEAM, SAID ELECTRICAL COMPRESSION CELLS BEING RESPECTIVELY ARRANGED BETWEEN THE SAID ENDS OF SAID CROSS-BEAMS AND SAID SPREADER BEAM IN POSITIONS CUMULATIVELY SUBJECT TO THE WEIGHT OF THE METAL IN SAID LADLE.
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) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |