US3066041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of hot-dip metallising metal strips
Assignee: Stahl & Walzwerke Rasselstein
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Filing: 1960-07-25
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Granted: 1962-11-27
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Expires: 1980-07-25
Abstract
No abstract record available.
Inventors
- 👤 Busch Andreas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:10
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/34; C23C2/36; C23C2/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A METHOD OF HOT-DIP METALLIZING METAL STRIPS WHICH COMPRISES: APPLYING A METAL INTERMEDIATE LAYER TO THE STRIP; HEATING SAID STRIP TO A TEMPERATURE ABOVE THE MELTING POINT OF SAID METAL INTERMEDIATE LAYER IN A NONOXIDIZING ATMOSPHERE; APPLYING A FLUX TO THE HEATED STRIP AND THEN PASSING THE STRIP THROUGH A METAL MELT, THE MOLTEN METAL FORMING A CONCAVE WETTING MENISCUS WHERE THE STRIP ENTERS THE METAL SO THAT THE DISSSOLVED IMPURITIES ON THE STRIP ARE FLOATED AWAY THEREFROM; AND MOVING THE STRIP EXITING FROM THE BATH THROUGH A PROTECTIVE GAS ATMOSPHERE TO SQUEEZING ROLLS WHICH OPERATE IN THE PROTECTIVE GAS ATMOSPHERE.
Claim 2
Independent Claim
101 words
A METHOD OF HOT-DIP METALLIZING METAL STRIPS WHICH COMPRISES: APPLYING A METAL INTERMEDIATE LAYER TO THE STRIP; HEATING SAID STRIP TO A TEMPERATURE ABOVE THE MELTING POINT OF SAID METAL INTERMEDIATE LAYER IN A NONOXIDIZING ATMOSPHERE; APPLYING A FLUX TO THE HEATED STRIP AND THEN PASSING THE STRIP THROUGH A METAL MELT, THE MOLTEN METAL FORMING A CONCAVE WETTING MENISCUS WHERE THE STRIP ENTERS THE METAL SO THAT THE DISSSOLVED IMPURITIES ON THE STRIP ARE FLOATED AWAY THEREFROM; AND MOVING THE STRIP EXITING FROM THE BATH THROUGH A PROTECTIVE GAS ATMOSPHERE TO SQUEEZING ROLLS WHICH OPERATE IN THE PROTECTIVE GAS ATMOSPHERE.
References Cited (Backward Citations)
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US2224578A
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US2405592A
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US2459161A
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US2656285A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |