Wrapped roll press
Abstract
Abstract AN APPARATUS AND METHOD FOR FORMING A FIBROUS WEB AND PARTICULARLY FOR REMOVING WATER THEREFROM BY A COMPRESSING ACTION WHICH INCLUDED PASSING THE WEB OVER A PORTION OF THE OUTER SURFACE OF A REVOLVING ROLL AND APPLYING A BELT TO THE OUTER SURFACE TO DEFINE A PRESSING ZONE IN WHICH THE WEB IS PRESSED DUE TO THE LINEAR TENSION ON THE BELT WITH A FELT OR OTHER MEANS PASSED THROUGH THE PRESSING ZONE TO RECEIVE WATER PRESSED FROM THE COMPACTED WEB ABD THE BELT BEING IMPERFORATE AND EQUAL ATMOSPHEREIC PRESSURES EXISTING ON BOTH SIDES OF THE PRESSING ZONE SO THAT THE WATER IS EXPRESSED SOLELY BY THE APPLICATION OF MECHANICAL PRESSURE WHICH IS AT LEAST AS GREAT AS 100 POUNDS PER SQUARE INCH.
Inventors
- 👤 L Busker
- 👤 C Francik
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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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) | 1977-03-18 | 1977-09-17 | 1978-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-18 | 1981-09-17 | 1982-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-18 | 1985-09-17 | 1986-03-19 | $7700.00 | Window Closed / Lapsed |