US2992941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exit machine for coating apparatus and method of controlling coating thickness
Assignee: Armco Inc
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Filing: 1958-05-07
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Granted: 1961-07-18
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Expires: 1978-05-07
Abstract
No abstract record available.
Inventors
- 👤 Paul J Whitley
- 👤 John E Kemplin
- 👤 Henry L Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:00
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/14; C23C2/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
THE METHOD OF CONTROLLING COATING THICKNESS IN THE HOT DIP COATING OF A STRAND OF METAL WITH A MOLTEN COATING METAL, WHEREIN THE STRAND ISSUES FROM THE MOLTEN COATING METAL BETWEEN A PAIR OF EXIT ROLLS, AND A MENISCUS OF THE COATING METAL IS FORMED BETWEEN THE STRANT THE NIP OF THE EXIT ROLLS BY THE PUMPING ACTION OF THE EXIT ROLLS AND STRAND, WHICH INCLUDES THE STEPS OF DIRECTING A BLAST PRIMARILY AT SAID MENISCUS, SAID BLAST NOT PLAYING TO ANY APPRECIABLE EXTENT ON THE COATING NOR ON THE EXIT ROLLS, TO CREATE A BACK PRESSURE TO SAID PUMPING ACTION, AND CONTROLLING THE FORCE OF SAID BLAST TO MAINTAIN SAID MENISCUS AT A LEVEL TO PRODUCE THE DESIRED WEIGHT OF COATING.
Claim 2
Independent Claim
122 words
THE METHOD OF CONTROLLING COATING THICKNESS IN THE HOT DIP COATING OF A STRAND OF METAL WITH A MOLTEN COATING METAL, WHEREIN THE STRAND ISSUES FROM THE MOLTEN COATING METAL BETWEEN A PAIR OF EXIT ROLLS, AND A MENISCUS OF THE COATING METAL IS FORMED BETWEEN THE STRANT THE NIP OF THE EXIT ROLLS BY THE PUMPING ACTION OF THE EXIT ROLLS AND STRAND, WHICH INCLUDES THE STEPS OF DIRECTING A BLAST PRIMARILY AT SAID MENISCUS, SAID BLAST NOT PLAYING TO ANY APPRECIABLE EXTENT ON THE COATING NOR ON THE EXIT ROLLS, TO CREATE A BACK PRESSURE TO SAID PUMPING ACTION, AND CONTROLLING THE FORCE OF SAID BLAST TO MAINTAIN SAID MENISCUS AT A LEVEL TO PRODUCE THE DESIRED WEIGHT OF COATING.
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) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |