US3266561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and means for correcting the crown of a roll
Assignee: Beloit Iron Works Inc
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Filing: 1963-12-23
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Granted: 1966-08-16
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Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Edward D Beachler
- 👤 Edgar J Justus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:58
CPC Classifications
D; D21; D21F; D21F7/00; D21F7/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
70 words
THE METHOD OF CROWNING A ROLL WHICH COMPRISES, MIXING HOT AND COLD AIR IN CHAMBERS IN CONTROLLED QUANTITIES FOR OBTAINING A PLURALITY OF CHAMBERS OF AIR OF DIFFERENT TEMPERATURES, AND DIRECTING AIR FROM THE CHAMBERS ALONG THE LENGTH OF THE ROLL IN A PATTERN SO THAT AN INCREASING OR DECREASING TEMPERATURE OF AIR IS APPLIED FROM THE ROLL CENTER TO THE ROLL ENDS FOR CHANGING THE CROWN OF THE ROLL.
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |