US2824020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluxing and coating metal strip
Assignee: Wheeling Steel Corp
•
Filing: 1954-02-24
•
Granted: 1958-02-18
•
Expires: 1974-02-24
Abstract
No abstract record available.
Inventors
- 👤 Nelson E Cook
- 👤 Samuel L Norteman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:31
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/34; C23C2/36; C23C2/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A METHOD OF APPLYING FLUX TO METAL STRIP IN PREPARATION FOR IMMERSING THE METAL STRIP IN MOLTEN COATING METAL HAVING A LOWER MELTING POINT THAN THE METAL OF THE STRIP AND WHICH MOLTEN COATING METAL REACTS WITH THE FLUX AT THE TEMPERATURE OF THE MOLTEN COATING METAL COMPRISING ING ADVANCING THE STRIP IN THE DIRECTION OF ITS LENGTH IN A PATH HAVING A GENERALLY VERTICAL REACH IN WHICH THE STRIP MOVES UPWARDLY, APPLYING FLUX TO THE STRIP ADJACENT THE BOTTOM OF SAID REACH, DRYING THE FLUX ON THE STRIP BEFORE IT REACHES THE TOP OF SAID REACH AND ADVANCING THE STRIP FROM THE TOP OF SAID REACH TO THE POINT OF IMMERSION IN THE MOLTEN COATING METAL.
Claim 2
Independent Claim
117 words
A METHOD OF APPLYING FLUX TO METAL STRIP IN PREPARATION FOR IMMERSING THE METAL STRIP IN MOLTEN COATING METAL HAVING A LOWER MELTING POINT THAN THE METAL OF THE STRIP AND WHICH MOLTEN COATING METAL REACTS WITH THE FLUX AT THE TEMPERATURE OF THE MOLTEN COATING METAL COMPRISING ING ADVANCING THE STRIP IN THE DIRECTION OF ITS LENGTH IN A PATH HAVING A GENERALLY VERTICAL REACH IN WHICH THE STRIP MOVES UPWARDLY, APPLYING FLUX TO THE STRIP ADJACENT THE BOTTOM OF SAID REACH, DRYING THE FLUX ON THE STRIP BEFORE IT REACHES THE TOP OF SAID REACH AND ADVANCING THE STRIP FROM THE TOP OF SAID REACH TO THE POINT OF IMMERSION IN THE MOLTEN COATING METAL.
References Cited (Backward Citations)
US1755559A
Cited
US1994802A
Cited
US2165089A
Cited
US2213644A
Cited
US2384541A
Cited
US2407756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-17 | 1961-08-19 | 1962-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-17 | 1965-08-19 | 1966-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-17 | 1969-08-19 | 1970-02-18 | $7700.00 | Window Closed / Lapsed |