US3136654A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of coated material
Assignee: FMC Corp
•
Filing: 1958-11-18
•
Granted: 1964-06-09
•
Expires: 1978-11-18
Abstract
No abstract record available.
Inventors
- 👤 Augustus E Craver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:44
CPC Classifications
D; D06; D06B; D06B9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A METHOD FOR CONTINUOUSLY COATING A WEB MATERIAL COMPRISING CONTINUOUSLY PASSING THE MATERIAL THROUGH A SOLUTION OF AN ORGANIC SOLVENT-SOLUBLE COATING COMPOSITION DISSOLVED IN A VOLATILE ORGANIC SOLVENT, CONTINUOUSLY PASSING THE MATERIAL THROUGH A PATH, EVAPORATING SUBSTANTIALLY ALL OF THE SOLVENT FROM THE COATING AS THE MATERIAL PASSES ALONG A PORTION OF THE PATH BY CIRCULATING HEATED AIR OVER THE MATERIAL, REMOVING THE LAST TRACES OF SOLVENT FROM THE COATING AND FORCING MOISTURE INTO THE MATERIAL BY IMPINGING THE SURFACE OF THE MATERIAL WITH A MOISTURECONTAINING GAS AS THE MATERIAL ENTERS A SECOND PORTION OF THE PATH, SAID MOISTURE-CONTAINING GAS BEING DELIVERED AT A HIGH VELOCITY TO CREATE A TURBULENT ATMOSPHERE ADJACENT TO THE SURFACE OF THE MATERIAL AND AT A TEMPERATURE OF NOT GREATER THAN ABOUT 212*F., ADJUSTING THE MOISTURE CONTENT OF THE MATERIAL TO A PTEDETERMINED VALUE DURING THE REMAINDER OF THE SECOND PORTION OF THE PATH BY PASSING THE SAME THROUGH AN ATMOSPHERE OF HUMID AIR HAVING A TEMPERATURE OF NOT GREATER THAN 212*F., AND COOLING THE MATERIAL.
Claim 2
Independent Claim
171 words
A METHOD FOR CONTINUOUSLY COATING A WEB MATERIAL COMPRISING CONTINUOUSLY PASSING THE MATERIAL THROUGH A SOLUTION OF AN ORGANIC SOLVENT-SOLUBLE COATING COMPOSITION DISSOLVED IN A VOLATILE ORGANIC SOLVENT, CONTINUOUSLY PASSING THE MATERIAL THROUGH A PATH, EVAPORATING SUBSTANTIALLY ALL OF THE SOLVENT FROM THE COATING AS THE MATERIAL PASSES ALONG A PORTION OF THE PATH BY CIRCULATING HEATED AIR OVER THE MATERIAL, REMOVING THE LAST TRACES OF SOLVENT FROM THE COATING AND FORCING MOISTURE INTO THE MATERIAL BY IMPINGING THE SURFACE OF THE MATERIAL WITH A MOISTURECONTAINING GAS AS THE MATERIAL ENTERS A SECOND PORTION OF THE PATH, SAID MOISTURE-CONTAINING GAS BEING DELIVERED AT A HIGH VELOCITY TO CREATE A TURBULENT ATMOSPHERE ADJACENT TO THE SURFACE OF THE MATERIAL AND AT A TEMPERATURE OF NOT GREATER THAN ABOUT 212*F., ADJUSTING THE MOISTURE CONTENT OF THE MATERIAL TO A PTEDETERMINED VALUE DURING THE REMAINDER OF THE SECOND PORTION OF THE PATH BY PASSING THE SAME THROUGH AN ATMOSPHERE OF HUMID AIR HAVING A TEMPERATURE OF NOT GREATER THAN 212*F., AND COOLING THE MATERIAL.
References Cited (Backward Citations)
US2431738A
Cited
FR959286A
Cited
US1826698A
Cited
US2438366A
Cited
FR946164A
Cited
US2590849A
Cited
US2859136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |