Patent US3270532A successfully refreshed from Google Patents.
US3270532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for treating a mass of loose fibers
Assignee: Unisearch Ltd
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Filing: 1965-03-30
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Granted: 1966-09-06
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Expires: 1985-03-30
Abstract
No abstract record available.
Inventors
- 👤 Chaikin Malcolm
- 👤 Samson Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:37
CPC Classifications
D; D06; D06B; D06B5/00; D06B5/02; D06B5/04; Y; Y10; Y10S; Y10S68/00; Y10S68/902; Y10S68/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
222 words
A DEVICE FOR TREATING A MASS OF LOOSE FIBRE, SUCH AS WOOL FIBERS AND THE LIKE, COMPRISING, IN COMBINATION, A TREATMENT LIQUID RESERVOIR, AN ENDLESS CONVEYOR OF A POROUS MATERIAL PERMITTING THE PASSAGE OF LIQUID THERETHROUGH, HAVING AN INTERMEDIATE PORTION OF ITS RUN SUBMERGED IN THE TREATMENT LIQUID IN SAID RESERVOIR, AND TRAVELING ALONG A PATH FIXED WITH RESPECT TO SAID RESERVOIR AND THE TREATMENT LIQUID, AND OPPOSITE END PORTIONS OF ITS RUN DISPOSED OUTSIDE THE TREATMENT LIQUID; MEANS, INCLUDING A DRUM AND SAID ENDLESS CONVEYOR, EFFECTIVE INITIALLY TO COMPRESS A LAYER OF FIBRES ON SAID COVEYOR, IN ADVANCE OF TRANSPORT OF SUCH LAYER THROUGH THE TREATMENT LIQUID; MEANS, INCLUDING SAID ENDLESS CONVEYOR, EFFECTIVE TO MAINTAIN SUCH LAYER OF FIBERS COMPRESSED ON SAID CONVEYOR DURING PASSAGE OF SUCH LAYER THROUGH THE TREATMENT LIQUID; MEANS OPERABLE TO DIRECT A HIGH VELOCITY JET OF TREATMENT LIQUID THROUGH THE LAYER OF COMPRESSED FIBRES WHILE THE LAYER IS BEING TRANSPORTED THROUGH THE TREATMENT LIQUID; AND MEANS, INCLUDING SAID CONVEYOR TO MAINTAIN THE FIBERS UNDER A SUFFICIENT DEGREE OF COMPRESSION TO PREVENT ENTANGLEMENT OF THE FIBERS WHILE THEY ARE BEING TREATED WITH THE JET OF TREATMENT LIQUID AND, EFFECTIVE ONLY AFTER EMERGENCE OF THE LAYER OF COMPRESSED FIBRES FROM THE TREATMENT LIQUID ON THE ENDLESS CONVEYOR, TO RELEASE THE PRESSURE APPLIED TO THE LAYER OF COMPRESSED FIBRES.
Claim 2
Independent Claim
222 words
A DEVICE FOR TREATING A MASS OF LOOSE FIBRE, SUCH AS WOOL FIBERS AND THE LIKE, COMPRISING, IN COMBINATION, A TREATMENT LIQUID RESERVOIR, AN ENDLESS CONVEYOR OF A POROUS MATERIAL PERMITTING THE PASSAGE OF LIQUID THERETHROUGH, HAVING AN INTERMEDIATE PORTION OF ITS RUN SUBMERGED IN THE TREATMENT LIQUID IN SAID RESERVOIR, AND TRAVELING ALONG A PATH FIXED WITH RESPECT TO SAID RESERVOIR AND THE TREATMENT LIQUID, AND OPPOSITE END PORTIONS OF ITS RUN DISPOSED OUTSIDE THE TREATMENT LIQUID; MEANS, INCLUDING A DRUM AND SAID ENDLESS CONVEYOR, EFFECTIVE INITIALLY TO COMPRESS A LAYER OF FIBRES ON SAID COVEYOR, IN ADVANCE OF TRANSPORT OF SUCH LAYER THROUGH THE TREATMENT LIQUID; MEANS, INCLUDING SAID ENDLESS CONVEYOR, EFFECTIVE TO MAINTAIN SUCH LAYER OF FIBERS COMPRESSED ON SAID CONVEYOR DURING PASSAGE OF SUCH LAYER THROUGH THE TREATMENT LIQUID; MEANS OPERABLE TO DIRECT A HIGH VELOCITY JET OF TREATMENT LIQUID THROUGH THE LAYER OF COMPRESSED FIBRES WHILE THE LAYER IS BEING TRANSPORTED THROUGH THE TREATMENT LIQUID; AND MEANS, INCLUDING SAID CONVEYOR TO MAINTAIN THE FIBERS UNDER A SUFFICIENT DEGREE OF COMPRESSION TO PREVENT ENTANGLEMENT OF THE FIBERS WHILE THEY ARE BEING TREATED WITH THE JET OF TREATMENT LIQUID AND, EFFECTIVE ONLY AFTER EMERGENCE OF THE LAYER OF COMPRESSED FIBRES FROM THE TREATMENT LIQUID ON THE ENDLESS CONVEYOR, TO RELEASE THE PRESSURE APPLIED TO THE LAYER OF COMPRESSED FIBRES.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |