US3229447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the control of exhaust air and/or web coating spray
Assignee: Midland Ross Corp
•
Filing: 1962-03-12
•
Granted: 1966-01-18
•
Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Kosta Geza
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:40
CPC Classifications
B; B05; B05C; B05C11/00; B05C11/02; B05C11/06; D; D06; D06B; D06B15/00; D06B15/09; D06B15/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
THE METHOD OF FREEING AND SALVAGING SUSPENDED COATING MATERIAL FROM AIR ISSUING FROM AN AIR BLADE USED TO REMOVED EXCESS COATING MATERIAL FROM A PASSING WEB COMPRISING, PASSING THE COATED WEB THROUGH A SEPARATE ZONE WHEREIN IT IS SUBJECTED TO A DOWNWARDLY DIRECTED AIR KNIFE FOR REMOVING EXCESS COATING, THEN SUBSTANTIALLY IMMEDIATELY EXPANDING SAID COATING-LADEN AIR BY DOWNWARDLY DEFLECTING SAME INTO AND THROUGH AN ENLARGED AREA DEFINING A DOWNWARDLY INCLINED ZIG-ZAG PROGRESSING CURVILINEAR PATH HAVING SEVERAL FULL FLOW REVERSING TURNS IN DESCENDING RELATION FOR GRAVITY SEPARATION OF SAID COATING MATTER, THE LOWEST PORTIONS OF THE TURNS FORMING WELLS INTO WHICH THE GRAVITY REMOVED COATING MATTER FROM THE PASSING AIR IS COLLECTED, MAINTAINING SAID COATED MATTER IN SAID WELLS, AND FINALLY PASSING SAID FLOW REVERSED AIR OVER A WATER SURFACE WHICH IS EXHAUSTED UNDER VACUUM.
Claim 2
Independent Claim
134 words
THE METHOD OF FREEING AND SALVAGING SUSPENDED COATING MATERIAL FROM AIR ISSUING FROM AN AIR BLADE USED TO REMOVED EXCESS COATING MATERIAL FROM A PASSING WEB COMPRISING, PASSING THE COATED WEB THROUGH A SEPARATE ZONE WHEREIN IT IS SUBJECTED TO A DOWNWARDLY DIRECTED AIR KNIFE FOR REMOVING EXCESS COATING, THEN SUBSTANTIALLY IMMEDIATELY EXPANDING SAID COATING-LADEN AIR BY DOWNWARDLY DEFLECTING SAME INTO AND THROUGH AN ENLARGED AREA DEFINING A DOWNWARDLY INCLINED ZIG-ZAG PROGRESSING CURVILINEAR PATH HAVING SEVERAL FULL FLOW REVERSING TURNS IN DESCENDING RELATION FOR GRAVITY SEPARATION OF SAID COATING MATTER, THE LOWEST PORTIONS OF THE TURNS FORMING WELLS INTO WHICH THE GRAVITY REMOVED COATING MATTER FROM THE PASSING AIR IS COLLECTED, MAINTAINING SAID COATED MATTER IN SAID WELLS, AND FINALLY PASSING SAID FLOW REVERSED AIR OVER A WATER SURFACE WHICH IS EXHAUSTED UNDER VACUUM.
References Cited (Backward Citations)
CA451236A
Cited
GB190706971A
Cited
US2076815A
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US2182862A
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US2086514A
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US2257516A
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US2279553A
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US2337983A
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US2484277A
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US2679231A
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US2757597A
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US3025828A
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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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |