US3264856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot strip mill
Assignee: Steel Company of Canada Ltd
•
Filing: 1963-09-23
•
Granted: 1966-08-09
•
Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Layard Camville Pellew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:50
CPC Classifications
B; B21; B21B; B21B45/00; B21B45/008; Y; Y02; Y02P; Y02P70/00; Y02P70/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN A HOT STRIP MILL, WHEREIN A STRIP IS TRANSPORTED ALONG A DELAY TABLE FROM A ROUGHING MILL TO A FINISHING MILL, THE METHOD OF REDUCING DIFFERENTIAL COOLING EFFECTS ON THE STRIP WHILE IT IS ON THE DELAY TABLE WHICH COMPRISES THE STEP OF PASSING THE STRIP BELOW A SERIES OF HEAT SHIELDS MOVABLY DISPOSED ABOVE SAID DELAY TABLE AND ADJUSTING THE HEIGHT OF EACH OF SAID HEAT SHIELDS ABOVE THE STRIP IN ACCORDANCE WITH THE TEMPERATURE OF THE STRIP BENEATH EACH SAID SHIELD.
Claim 2
Dependent Claim
84 words
IN A HOT STRIP MILL, WHEREIN A STRIP IS TRANSPORTED ALONG A DELAY TABLE FROM A ROUGHING MILL TO A FINISHING MILL, THE METHOD OF REDUCING DIFFERENTIAL COOLING EFFECTS ON THE STRIP WHILE IT IS ON THE DELAY TABLE WHICH COMPRISES THE STEP OF PASSING THE STRIP BELOW A SERIES OF HEAT SHIELDS MOVABLY DISPOSED ABOVE SAID DELAY TABLE AND ADJUSTING THE HEIGHT OF EACH OF SAID HEAT SHIELDS ABOVE THE STRIP IN ACCORDANCE WITH THE TEMPERATURE OF THE STRIP BENEATH EACH SAID SHIELD.
References Cited (Backward Citations)
US1347917A
Cited
US1676176A
Cited
US1959095A
Cited
US1946971A
Cited
US2564708A
Cited
US2728387A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |