US3320641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for continuous, high-speed processing and cleaning of fibers
Assignee: Jefferson Mills Inc
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Filing: 1966-01-10
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Granted: 1967-05-23
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Expires: 1986-01-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Morris M Bryan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:01
CPC Classifications
D; D01; D01G; D01G15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A METHOD FOR CONTINUOUSLY PROCESSING AND CLEANING MASSES OF FIBERS AT HIGH-SPEED COMPRISING THE STEPS OF CARDING THE FIBERS INTO A FIRST WEB, PNEUMATICALLY AND MECHANICALLY DIRECTING THE CARDED FIRST WEB OF FIBERS INTO AN ANGULARLY UPWARDLY INCLINED AIR STREAM, SUBSTANTIALLY SEPARATING AND PARTIALLY PARALLELIZING THE FIBERS AS THEY PASS THROUGH THE UPWARDLY INCLINED AIR STREAM WHILE SIMULTANEOUSLY PERMITTING HEAVY PARTICLES OF TRASH TO SEPARATE FROM THE FIBERS AND FALL DOWNWARDLY OUT OF THE UPWARDLY INCLINED AIR STREAM, DIRECTING THE THUS SEPARATED AND FALLEN HEAVY PARTICLES OF TRASH IN A DIRECTION DIFFERENT FROM THAT OF THE FIBERS IN THE UPWARDLY INCLINED AIR STREAM AND COLLECTING THE FIBERS INTO A SECOND WEB WHILE ALLOWING THE AIR STREAM AND SMALL PARTICLES OF TRASH TO PASS THEREON THROUGH THE SECOND WEB.
Claim 2
Independent Claim
128 words
A METHOD FOR CONTINUOUSLY PROCESSING AND CLEANING MASSES OF FIBERS AT HIGH-SPEED COMPRISING THE STEPS OF CARDING THE FIBERS INTO A FIRST WEB, PNEUMATICALLY AND MECHANICALLY DIRECTING THE CARDED FIRST WEB OF FIBERS INTO AN ANGULARLY UPWARDLY INCLINED AIR STREAM, SUBSTANTIALLY SEPARATING AND PARTIALLY PARALLELIZING THE FIBERS AS THEY PASS THROUGH THE UPWARDLY INCLINED AIR STREAM WHILE SIMULTANEOUSLY PERMITTING HEAVY PARTICLES OF TRASH TO SEPARATE FROM THE FIBERS AND FALL DOWNWARDLY OUT OF THE UPWARDLY INCLINED AIR STREAM, DIRECTING THE THUS SEPARATED AND FALLEN HEAVY PARTICLES OF TRASH IN A DIRECTION DIFFERENT FROM THAT OF THE FIBERS IN THE UPWARDLY INCLINED AIR STREAM AND COLLECTING THE FIBERS INTO A SECOND WEB WHILE ALLOWING THE AIR STREAM AND SMALL PARTICLES OF TRASH TO PASS THEREON THROUGH THE SECOND WEB.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |