US3264143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat treating strip material
Assignee: Selas Corp of America
•
Filing: 1962-07-16
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Granted: 1966-08-02
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Expires: 1982-07-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles A Turner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:37
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/52; C21D9/54; C21D9/56; C22; C22F; C22F1/00; C22F1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
THE METHOD OF CONTINUOUSLY ANNEALING NON-HEATTREATABLE ALUMINUM BASE ALLOYS IN STRIP FORM WHICH COMPRISES MOVING THE STREIP DOWNWARDLY BETWEEN A PAIR OF UPPER AND LOWER GUIDE ROLLS, AT A FIRST UPPER LOCATION BETWEEN SAID ROOLS HEATING THE STRIP BY APPLICATION OF OPEN FRAMES, TO OPPOSITE SIDES THEREOF TO A TEMPERATURE WITHIN THE RANGE OF 800*F. TO 1000*F., AT A SECOND AND LOWER LOCATION COOLING THE STRIP TO BELOW 550*F. BY JETS OF AIR DIRECTED AGAINST OPPOSITE SIDES THEREOF, AT A STILL LOWER POINT IN THE PATH OF TRAVEL OF THE STRIP BETWEEN SAID ROLLS QUENCHING IT IN WATER TO A TEMPERATURE OF LESS THAN 200*F., REMOVING THE STRIP FROM THE WATER, REMOVING THE WATER FROM THE SURFACE OF THE STRIP AND STRETCHING THE STRIP BETWEEN 1% AND 6% AS SOON AS IT IS REMOVED FROM THE QUENCH WATER.
Claim 2
Independent Claim
138 words
THE METHOD OF CONTINUOUSLY ANNEALING NON-HEATTREATABLE ALUMINUM BASE ALLOYS IN STRIP FORM WHICH COMPRISES MOVING THE STREIP DOWNWARDLY BETWEEN A PAIR OF UPPER AND LOWER GUIDE ROLLS, AT A FIRST UPPER LOCATION BETWEEN SAID ROOLS HEATING THE STRIP BY APPLICATION OF OPEN FRAMES, TO OPPOSITE SIDES THEREOF TO A TEMPERATURE WITHIN THE RANGE OF 800*F. TO 1000*F., AT A SECOND AND LOWER LOCATION COOLING THE STRIP TO BELOW 550*F. BY JETS OF AIR DIRECTED AGAINST OPPOSITE SIDES THEREOF, AT A STILL LOWER POINT IN THE PATH OF TRAVEL OF THE STRIP BETWEEN SAID ROLLS QUENCHING IT IN WATER TO A TEMPERATURE OF LESS THAN 200*F., REMOVING THE STRIP FROM THE WATER, REMOVING THE WATER FROM THE SURFACE OF THE STRIP AND STRETCHING THE STRIP BETWEEN 1% AND 6% AS SOON AS IT IS REMOVED FROM THE QUENCH WATER.
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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) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |