Patent US3175813A successfully refreshed from Google Patents.
US3175813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge position control of strip material in furnaces
Assignee: National Steel Corp
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Filing: 1962-12-31
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Granted: 1965-03-30
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Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Andrew L Costakis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:26
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A FURNACE COMPRISING AN ENCLOSURE, A PLURALITY OF ROLLS WITHIN THE ENCLOSURE FOR THE SUPPORT OF CONTINUOUSLY MOVING STRIP MATERIAL AS IT PASSES THROUGH THE ENCLOSURE IN A CIRCUITOUS PATH, MEANS MOUNTING AT LEAST ONE OF THE ROLLS FOR MOVEMENT RELATIVE TO A PLURALITY OF THE OTHER ROLLS BETWEEN FIRST AND SECOND POSITIONS CHARACTERIZED IN THAT THE AXIS OF SAID AT LEAST ONE ROLL IN SAID FIRST POSITION IS DISPOSED AT AN ACUTE ANGLE TO SAID AXIS IN SAID SECOND POSITION, SAID AT LEAST ONE ROLL BEING DISPOSED AHEAT OF AT LEAST ONE OTHER ROLL AND BEHIND AT LEAST ONE OTHER ROLL IN THE FURNACE RELATIVE TO THE DIRECTION OF MOVEMENT OF THE STRIP MATERIAL, AND MEANS RESPONSIVE TO LATERAL MISALIGNMENT OF THE STRIP MATERIAL FOR MOVING SAID AT LEAST ONE ROLL TO CHANGE THE ANGLE OF ITS AXIS RELATIVE TO THE AXES OF OTHERS
Claim 2
Dependent Claim
145 words
A FURNACE COMPRISING AN ENCLOSURE, A PLURALITY OF ROLLS WITHIN THE ENCLOSURE FOR THE SUPPORT OF CONTINUOUSLY MOVING STRIP MATERIAL AS IT PASSES THROUGH THE ENCLOSURE IN A CIRCUITOUS PATH, MEANS MOUNTING AT LEAST ONE OF THE ROLLS FOR MOVEMENT RELATIVE TO A PLURALITY OF THE OTHER ROLLS BETWEEN FIRST AND SECOND POSITIONS CHARACTERIZED IN THAT THE AXIS OF SAID AT LEAST ONE ROLL IN SAID FIRST POSITION IS DISPOSED AT AN ACUTE ANGLE TO SAID AXIS IN SAID SECOND POSITION, SAID AT LEAST ONE ROLL BEING DISPOSED AHEAT OF AT LEAST ONE OTHER ROLL AND BEHIND AT LEAST ONE OTHER ROLL IN THE FURNACE RELATIVE TO THE DIRECTION OF MOVEMENT OF THE STRIP MATERIAL, AND MEANS RESPONSIVE TO LATERAL MISALIGNMENT OF THE STRIP MATERIAL FOR MOVING SAID AT LEAST ONE ROLL TO CHANGE THE ANGLE OF ITS AXIS RELATIVE TO THE AXES OF OTHERS
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |