Patent US2906018A successfully refreshed from Google Patents.
US2906018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Finishing machine and method for use in the hot dip metallic coating of steel strip, and coated strip
Assignee: Armco Inc
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Filing: 1953-03-12
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Granted: 1959-09-29
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Expires: 1973-03-12
Abstract
No abstract record available.
Inventors
- 👤 Thomas W Baker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:06
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/34; C23C2/36; C23C2/38; C23C2/04; C23C2/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN THE HOT DIP TIN COATING OF STEEL STRIP AT SPEEDS ON THE ORDER OF 1,000 FEET PER MINUTE, THE STEPS OF CAUSING THE STRIP TO ISSUE FROM THE MOLTEN COATING METAL BETWEEN A PAIR OF SKIMMING ROLLS OF A MATERIAL WHICH IS WETTED BY THE MOLTEN COATING METAL, AND THEN TO PASS BETWEEN A PAIR, AT LEAST, OF PINCH ROLLS OF A MATERIAL WHICH IS NOT WETTED BY THE MOLTEN COATING METAL AND LOCATED ABOVE THE SURFACE OF SAID COATING METAL, AND DRIVING SAID ROLLS AT A SPEED WHICH WILL IMPART TO THE STRIP A SPEED OF THE ORDER OF 1.000 FEET PER MINUTE AND SUCH THAT THEIR PERIPHERAL SPEED IS SUBSTANTIALLY EQUAL TO THE LINEAR SPEED OF THE STRIP, AND IN THE DIRECTION OF STRIP TRAVEL, WHEREBY THERE IS SUBSTANTIALLY NO-SLIP CONTACT BETWEEN THE ROLL PERIPHERIES AND THE STRIP.
Claim 2
Dependent Claim
141 words
IN THE HOT DIP TIN COATING OF STEEL STRIP AT SPEEDS ON THE ORDER OF 1,000 FEET PER MINUTE, THE STEPS OF CAUSING THE STRIP TO ISSUE FROM THE MOLTEN COATING METAL BETWEEN A PAIR OF SKIMMING ROLLS OF A MATERIAL WHICH IS WETTED BY THE MOLTEN COATING METAL, AND THEN TO PASS BETWEEN A PAIR, AT LEAST, OF PINCH ROLLS OF A MATERIAL WHICH IS NOT WETTED BY THE MOLTEN COATING METAL AND LOCATED ABOVE THE SURFACE OF SAID COATING METAL, AND DRIVING SAID ROLLS AT A SPEED WHICH WILL IMPART TO THE STRIP A SPEED OF THE ORDER OF 1.000 FEET PER MINUTE AND SUCH THAT THEIR PERIPHERAL SPEED IS SUBSTANTIALLY EQUAL TO THE LINEAR SPEED OF THE STRIP, AND IN THE DIRECTION OF STRIP TRAVEL, WHEREBY THERE IS SUBSTANTIALLY NO-SLIP CONTACT BETWEEN THE ROLL PERIPHERIES AND THE STRIP.
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) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |