US3296014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for pressure cast coating
Assignee: Individual
•
Filing: 1964-03-04
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Granted: 1967-01-03
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Expires: 1984-03-04
Abstract
No abstract record available.
Inventors
- 👤 Robert C Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:08
CPC Classifications
D; D21; D21H; D21H25/00; D21H25/08; D21H25/12; D21H5/00; D21H5/0005; D21H5/006; D21H5/0062; D21H5/0067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A HIGH TEMPERATURE PRESSURE CAST COATING METHOD UTILIZING A HARDENABLE COATING FORMULATION COMPRISING A VOLATILE LIQUID COMPONENT, SAID METHOD COMPRISING: (1) CONTACTING A WET COATING OF SAID COATING FORMULATION, APPLIED UPON A PAPER, WEB, WITH A CASTING SURFACE, (2) HEATING SAID COATING TO A TEMPERATURE ABOVE THE VAPORIZATION TEMPERATURE OF SAID VOLATILE LIQUID COMPONENT SO AS TO GENERATE VAPORS THEREOF, WHILE SIMULTANEOUSLY (3) COMPRESSING SAID COATING ON SAID WEB AGAINST SAID HEATED CASTING SURFACE BY PRESSURIZED AIR UNTIL SAID COATING IS CAST, AND THEREAFTER (4) RELEASING SAID CAST COATED WEB FROM SAID HEATED CASTING SURFACE BY RELEASING SAID AIR PRESSURE AND ALLOWING MOISTURE IN SAID WEB TO FLASH THEREFROM.
Claim 2
Dependent Claim
109 words
A HIGH TEMPERATURE PRESSURE CAST COATING METHOD UTILIZING A HARDENABLE COATING FORMULATION COMPRISING A VOLATILE LIQUID COMPONENT, SAID METHOD COMPRISING: (1) CONTACTING A WET COATING OF SAID COATING FORMULATION, APPLIED UPON A PAPER, WEB, WITH A CASTING SURFACE, (2) HEATING SAID COATING TO A TEMPERATURE ABOVE THE VAPORIZATION TEMPERATURE OF SAID VOLATILE LIQUID COMPONENT SO AS TO GENERATE VAPORS THEREOF, WHILE SIMULTANEOUSLY (3) COMPRESSING SAID COATING ON SAID WEB AGAINST SAID HEATED CASTING SURFACE BY PRESSURIZED AIR UNTIL SAID COATING IS CAST, AND THEREAFTER (4) RELEASING SAID CAST COATED WEB FROM SAID HEATED CASTING SURFACE BY RELEASING SAID AIR PRESSURE AND ALLOWING MOISTURE IN SAID WEB TO FLASH THEREFROM.
References Cited (Backward Citations)
US2428113A
Cited
US3110612A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |