Patent US3737338A successfully refreshed from Google Patents.
US3737338A
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Method for controlling the filling or weighting absorption of a fibrous material
Assignee: Gebr SUCKER DT
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Filing: 1971-06-07
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Granted: 1973-06-05
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Expires: 1991-06-07
Abstract
Abstract METHOD OF CONTROLLING ABSORPTION OF A FILLING AGENT BY A FIBROUS MATERIAL INCLUDES APPLYING A CONSTANT ESCESSIVE CONCENTRATION OF FILLING AGENT TO THE FIBROUS MATERIAL, PASSING THE THUS-FILLED FOBROUS MATERIAL BETWEEN A PAIR OF SQUEEZE ROLLERS AND SIMULTANEOUSLY INCREASING THE BEARING PRESSURE OF THE SQUEEZE ROLLERS TO A GIVEN OPTIMIUM VALUE IN DEPENDANCE UPON THE AMOUNT OF FILLING AGENT ABSORBED, AND, AFTER THE OPTIMUM BEARING PRESSURE IS ATTAINED, VARYING THE CONCENTRATION OF THE FILLING AGENT TO THEREBY REGULATE THE ABSORBED AMOUNT, AND APPARATUS FOR CARRYING OUT THE FOREGOING METHOD.
Inventors
- 👤 H Kabelitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:16
CPC Classifications
D; D06; D06B; D06B23/00; D06B23/24; D06B23/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-04 | 1976-12-04 | 1977-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-04 | 1980-12-04 | 1981-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-04 | 1984-12-04 | 1985-06-05 | $7700.00 | Window Closed / Lapsed |