US3199126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of fibre assemblies with fluids
Assignee: Unisearch Ltd
•
Filing: 1962-09-28
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Granted: 1965-08-10
•
Expires: 1982-09-28
Abstract
No abstract record available.
Inventors
- 👤 Chaikin Malcolm
- 👤 Samson Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:49
CPC Classifications
D; D01; D01B; D01B3/00; D01B3/04; D01B3/08; D06; D06B; D06B3/00; D06B3/02; D06B5/00; D06B5/02; D06B5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A METHOD OF TREATING A MASS OF LOOSE FIBRES WITH A FLUID EMPLOYING MEANS FOR COMPRESSING THE FIBRES WHICH MEANS PERMIT THE PASSAGE OF FLUID THERETHROUGH, A COMPRISING, PRIOR TO THE FLUID TREATMENT, FORMING THE FIBRES INTO A LAYER AND COMPRESSING THE LAYER WITH THE COMPRESSING MEANS TO AN EXTENT SUCH THAT THEY ARE FREELY EXPOSED TO THE TREATMENT FLUID AND RELATIVE MOVEMENT BETWEEN INDIVIDUAL FIBRES IS SUBSTANTIALLY PREVENTED DURING TREATMENT, AFTER THE LAYER OF FIBRES IS SO COMPRESSED, SUBMERGING THE COMPRESSED LAYER OF FIBRES BENEATH THE SURFACE OF A BATH OF LIQUID, WHILE THE LAYER OF FIBRES IS SO SUBMERGED, MAINTAINING THE FIBRES IN COMPRESSION WHILE APPLYING THE TREATMENT BY DIRECTING THE FLUID IN THE FORM OF A HIGH VELOCITY JET THROUGH SUCH LAYER OF COMPRESSED FIBRES, SAID JET ACTING FREELY ON ALL OF THE FIBRES, AFTER TERMINATION OF THE JET ACTION, REMOVING THE COMPRESSED LAYER OF FIBRES FROM THE BATH OF LIQUID, AND ONLY AFTER SUCH REMOVAL RELEASING PRESSURE FROM THE FIBRES.
Claim 2
Independent Claim
164 words
A METHOD OF TREATING A MASS OF LOOSE FIBRES WITH A FLUID EMPLOYING MEANS FOR COMPRESSING THE FIBRES WHICH MEANS PERMIT THE PASSAGE OF FLUID THERETHROUGH, A COMPRISING, PRIOR TO THE FLUID TREATMENT, FORMING THE FIBRES INTO A LAYER AND COMPRESSING THE LAYER WITH THE COMPRESSING MEANS TO AN EXTENT SUCH THAT THEY ARE FREELY EXPOSED TO THE TREATMENT FLUID AND RELATIVE MOVEMENT BETWEEN INDIVIDUAL FIBRES IS SUBSTANTIALLY PREVENTED DURING TREATMENT, AFTER THE LAYER OF FIBRES IS SO COMPRESSED, SUBMERGING THE COMPRESSED LAYER OF FIBRES BENEATH THE SURFACE OF A BATH OF LIQUID, WHILE THE LAYER OF FIBRES IS SO SUBMERGED, MAINTAINING THE FIBRES IN COMPRESSION WHILE APPLYING THE TREATMENT BY DIRECTING THE FLUID IN THE FORM OF A HIGH VELOCITY JET THROUGH SUCH LAYER OF COMPRESSED FIBRES, SAID JET ACTING FREELY ON ALL OF THE FIBRES, AFTER TERMINATION OF THE JET ACTION, REMOVING THE COMPRESSED LAYER OF FIBRES FROM THE BATH OF LIQUID, AND ONLY AFTER SUCH REMOVAL RELEASING PRESSURE FROM THE FIBRES.
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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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |