US2933417A
Expired / Lapsed
US
⏱️ 0.0 years remaining
One-side film coating process
Assignee: EIDP Inc
•
Filing: 1958-03-12
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Granted: 1960-04-19
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Expires: 1978-03-12
Abstract
No abstract record available.
Inventors
- 👤 Jr William Ernest Mcintyre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:12
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/02; B05D7/04; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T428/31797
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
A PROCESS FOR THE CONTINUOUS ONE-SIDE COATING OF A CONTINUOUS WEB WHICH COMPRISES PARTIALLY SUBMERGING A ROTATING CYLINDRICAL SURFACE ROTATING ON A FIXED AXIS IN A BATH OF AN AQUEOUS DISPERSION COATING COMPOSITION HAVING A VISCOSITY OF NOT GREATER THAN 100 CENTIPOISES TO APPLY SAID COATING COMPOSITION TO SAID SURFACE, CONTROLLING THE THICKNESS OF SAID COATING COMPOSITION BY MEANS OF A SECOND ROTATING CYLINDRICAL SURFACE PARTIALLY SUBMEERGED IN SAID BATH AND ROTATING IN AN ANGULAR DIRECTION OPPOSITE TO THE DIRECTIOM OF THE FIRST NAMED CYLINDRICAL SURFACE ON AN AXIS PARALLEL TO THE AXIS OF SAID FIRST NAMED CYLINDRICAL SURFACE AND AT SUBSTANTIALLY THE SAME PERIPHERAL SPEED SAID SURFACES BEING SPACED APART A DISTANCE EQUAL TO SUBSTANTIALLY TWICE THE DESIRED THICKNESS OF THE COATING, AND TANGENTIALLY CONTRACTING ONE SURFACE OF A CONTINUOUSLY ADVANCING NON-FIBROUS WEB OF HYDROPHOBIC THERMOPLASTIC ORGANIC POLYMERIC MATERIAL, ADVANCING AT A CONSTANT PREDETERMINED SPEED, WITH THE ROTATING COATED CYLINDRICAL SURFACE CARRYING THE CONTROLLED THICKNESS OF COATING COMPOSITION, SAID COATED CYLINDRICAL SURFACE ROATATING IN A DIRECTION OPPOSITE THAT OF THE WEB AND AT A CONSTANT PERIPHERNAL SPEED OF FROM 15% TO 50% GREATER THAN THE SPEED OF THE WEB WHEREBY TO APPLY A UNIFORM COATING OF SAID COATING COMPOSITION TO SAID WEB SURFACE.
Claim 2
Dependent Claim
204 words
A PROCESS FOR THE CONTINUOUS ONE-SIDE COATING OF A CONTINUOUS WEB WHICH COMPRISES PARTIALLY SUBMERGING A ROTATING CYLINDRICAL SURFACE ROTATING ON A FIXED AXIS IN A BATH OF AN AQUEOUS DISPERSION COATING COMPOSITION HAVING A VISCOSITY OF NOT GREATER THAN 100 CENTIPOISES TO APPLY SAID COATING COMPOSITION TO SAID SURFACE, CONTROLLING THE THICKNESS OF SAID COATING COMPOSITION BY MEANS OF A SECOND ROTATING CYLINDRICAL SURFACE PARTIALLY SUBMEERGED IN SAID BATH AND ROTATING IN AN ANGULAR DIRECTION OPPOSITE TO THE DIRECTIOM OF THE FIRST NAMED CYLINDRICAL SURFACE ON AN AXIS PARALLEL TO THE AXIS OF SAID FIRST NAMED CYLINDRICAL SURFACE AND AT SUBSTANTIALLY THE SAME PERIPHERAL SPEED SAID SURFACES BEING SPACED APART A DISTANCE EQUAL TO SUBSTANTIALLY TWICE THE DESIRED THICKNESS OF THE COATING, AND TANGENTIALLY CONTRACTING ONE SURFACE OF A CONTINUOUSLY ADVANCING NON-FIBROUS WEB OF HYDROPHOBIC THERMOPLASTIC ORGANIC POLYMERIC MATERIAL, ADVANCING AT A CONSTANT PREDETERMINED SPEED, WITH THE ROTATING COATED CYLINDRICAL SURFACE CARRYING THE CONTROLLED THICKNESS OF COATING COMPOSITION, SAID COATED CYLINDRICAL SURFACE ROATATING IN A DIRECTION OPPOSITE THAT OF THE WEB AND AT A CONSTANT PERIPHERNAL SPEED OF FROM 15% TO 50% GREATER THAN THE SPEED OF THE WEB WHEREBY TO APPLY A UNIFORM COATING OF SAID COATING COMPOSITION TO SAID WEB SURFACE.
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) | 1963-04-19 | 1963-10-19 | 1964-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-19 | 1967-10-19 | 1968-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-19 | 1971-10-19 | 1972-04-19 | $7700.00 | Window Closed / Lapsed |