US3025691A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuous wet treatment of fibrous material in bat and like formation
Assignee: Fleissner & Sohn & Co GmbH
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Filing: 1959-02-04
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Granted: 1962-03-20
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Expires: 1979-02-04
Abstract
No abstract record available.
Inventors
- 👤 Fleissner Gerold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:04
CPC Classifications
D; D06; D06B; D06B5/00; D06B5/02; D06B5/04; D06B3/00; D06B3/02; Y; Y10; Y10S; Y10S68/00; Y10S68/902; Y10S68/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
AN APPARATUS FOR THE WET TREATMENT OF LOOSELY PILED FIBROUS MATERIAL COMPRISING A TREATMENT LIQUID RESERVOIR, A PERFORATED DRUM ROTABLY MOUNTED IN SAID RESERVOIR WITH AT LEAST A PORTION THEREOF DISPOSED IN SAID TREATMENT LIQUID, MEANS FOR PRODUCING A SUCTION IN THE INTERIOR OF SAID DRUM, A PAIR OF COOPERATING PRESSURE ROLLERS ROTATABLY MOUNTED ADJACENT SAID RESERVOIR AT A LOCATION DIRECTLY ADJACENT SAID PERFORATED DRUM AND WITH THE NIP THEREBETWEEN LOCATED ABOVE THE TREATMENT LIQUID, A PERFORATED ENDLESS BELT FOR TRANSPORTING SAID FIBROUS MATERIAL DIRECTED AROUND SAID PERFORATED DRUM, MEANS FOR FEEDING FIBROUS MATERIAL TO SAID PERFORATED ENDLESS BELT FOR TRANSPORTATION THEREON AROUND SAID DRUM UNDER THE HOLDING ACTION OF SAID SUCTION MEANS, GUIDE MEANS FOR SAID ENDLESS BELT INCLUDING MEANS ADJACENT SAID PRESSURE ROLLERS DISPOSED TO DIRECT SAID PERFORATED ENDLESS BELT WITH THE FIBROUS MATERIAL THEREON UPWARDLY FROM SAID BATH AND THEN LATERALLY AND BETWEEN SAID COOPERATING PRESSURE ROLLERS INCLUDING ROLLER MEANS DEPOSED ADJACENT SAID PRESSURE ROLLERS ARRANGED TO DEFLECT SAID ENDLESS BELT IN A DIREACTION TOWARD THE NIP OF SAID PRESSURE ROLLERS, AND SPRAY MEANS ADJACENT SAID PRESSURE ROLLERS ARRANGED TO DIRECT A SPRAY AGAINST THE FIBROUS MATERIAL TO AID THE TRANSITION OF THE MATERIAL FROM SAID BELT TO SAID PRESSURE ROLLERS.
Claim 2
Independent Claim
204 words
AN APPARATUS FOR THE WET TREATMENT OF LOOSELY PILED FIBROUS MATERIAL COMPRISING A TREATMENT LIQUID RESERVOIR, A PERFORATED DRUM ROTABLY MOUNTED IN SAID RESERVOIR WITH AT LEAST A PORTION THEREOF DISPOSED IN SAID TREATMENT LIQUID, MEANS FOR PRODUCING A SUCTION IN THE INTERIOR OF SAID DRUM, A PAIR OF COOPERATING PRESSURE ROLLERS ROTATABLY MOUNTED ADJACENT SAID RESERVOIR AT A LOCATION DIRECTLY ADJACENT SAID PERFORATED DRUM AND WITH THE NIP THEREBETWEEN LOCATED ABOVE THE TREATMENT LIQUID, A PERFORATED ENDLESS BELT FOR TRANSPORTING SAID FIBROUS MATERIAL DIRECTED AROUND SAID PERFORATED DRUM, MEANS FOR FEEDING FIBROUS MATERIAL TO SAID PERFORATED ENDLESS BELT FOR TRANSPORTATION THEREON AROUND SAID DRUM UNDER THE HOLDING ACTION OF SAID SUCTION MEANS, GUIDE MEANS FOR SAID ENDLESS BELT INCLUDING MEANS ADJACENT SAID PRESSURE ROLLERS DISPOSED TO DIRECT SAID PERFORATED ENDLESS BELT WITH THE FIBROUS MATERIAL THEREON UPWARDLY FROM SAID BATH AND THEN LATERALLY AND BETWEEN SAID COOPERATING PRESSURE ROLLERS INCLUDING ROLLER MEANS DEPOSED ADJACENT SAID PRESSURE ROLLERS ARRANGED TO DEFLECT SAID ENDLESS BELT IN A DIREACTION TOWARD THE NIP OF SAID PRESSURE ROLLERS, AND SPRAY MEANS ADJACENT SAID PRESSURE ROLLERS ARRANGED TO DIRECT A SPRAY AGAINST THE FIBROUS MATERIAL TO AID THE TRANSITION OF THE MATERIAL FROM SAID BELT TO SAID PRESSURE ROLLERS.
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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) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |