US3198694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press roll assemblies in paper making machine
Assignee: Beloit Corp
•
Filing: 1964-12-10
•
Granted: 1965-08-03
•
Expires: 1984-12-10
Abstract
No abstract record available.
Inventors
- 👤 Edgar J Justus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:24
CPC Classifications
D; D21; D21F; D21F3/00; D21F3/02; D21F3/08; D21F3/086; D21F3/04; D21F3/06; D21F7/00; D21F7/08; D21F7/12; Y; Y10; Y10S; Y10S162/00; Y10S162/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A PAPER MACHINE PRESS SECTION, IN COMBINATION, A LOOPED TRAVELING MOIST FELT, A FIRST PRESS ROLL, A SECOND PRESS ROLL ENGAGING THE FELT DEFINING WITH SAID FIRST PRESS ROLL A PRESS NIP FOR RECEIVING THE FELT, SAID SECOND PRESS ROLL HAVING A GENERALLY CYLINDRICAL PRESS ROLL SHELL MOUNTED FOR ROTATION ABOUT ITS CENTROIDAL AXIS AND POSITIONED TO PRESS A PERIPHERAL ROTARY SURFACE PORTION THEREOF AGAINST SAID FELT, SAID SURFACE PORTION HAVING ALTERNATING GENERALLY CIRCUMFERENTIALLY ALIGNED GROOVES AND RIDGES, SAID GROOVES HAVING A NARROW AXIAL DIMENSION AT THE ROLL PERIPHERY FOR RECEIVING WATER PRESSED FROM THE FELT BUT ALSO TENDING TO RESIST FLOW OF WATER OUT OF THE GROOVES, SAID RIDGES EACH PRESENTING A GENERALLY CYLINDRICAL OUTER PERIPHERAL LAND AREA, GENERALLY AXIALLY CONTINUOUS DOCTOR MEANS CLOSE TO THE NIP FOR REMOVING WATER FROM SAID LAND AREAS AT THE ONCOMING SIADE OF THE NIP DURING ROTATION OF
Claim 2
Dependent Claim
146 words
IN A PAPER MACHINE PRESS SECTION, IN COMBINATION, A LOOPED TRAVELING MOIST FELT, A FIRST PRESS ROLL, A SECOND PRESS ROLL ENGAGING THE FELT DEFINING WITH SAID FIRST PRESS ROLL A PRESS NIP FOR RECEIVING THE FELT, SAID SECOND PRESS ROLL HAVING A GENERALLY CYLINDRICAL PRESS ROLL SHELL MOUNTED FOR ROTATION ABOUT ITS CENTROIDAL AXIS AND POSITIONED TO PRESS A PERIPHERAL ROTARY SURFACE PORTION THEREOF AGAINST SAID FELT, SAID SURFACE PORTION HAVING ALTERNATING GENERALLY CIRCUMFERENTIALLY ALIGNED GROOVES AND RIDGES, SAID GROOVES HAVING A NARROW AXIAL DIMENSION AT THE ROLL PERIPHERY FOR RECEIVING WATER PRESSED FROM THE FELT BUT ALSO TENDING TO RESIST FLOW OF WATER OUT OF THE GROOVES, SAID RIDGES EACH PRESENTING A GENERALLY CYLINDRICAL OUTER PERIPHERAL LAND AREA, GENERALLY AXIALLY CONTINUOUS DOCTOR MEANS CLOSE TO THE NIP FOR REMOVING WATER FROM SAID LAND AREAS AT THE ONCOMING SIADE OF THE NIP DURING ROTATION OF
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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) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |