US3308944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of mixtures of textile fibres
Assignee: RECLAMATION TRADES RES ORGANIS
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Filing: 1963-06-20
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Granted: 1967-03-14
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Expires: 1983-06-20
Abstract
No abstract record available.
Inventors
- 👤 Chamberlain Norman Henry
- 👤 Speakman John Bamber
- 👤 Kaltsoyannis Alex
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:49
CPC Classifications
D; D01; D01G; D01G5/00; D01G11/00; D01G11/04; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/66
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
120 words
APPARATUS FOR SEPARATING TEXTILE FIBRES OF DIFFERENT KINDS FROM A TEXTILE FABRIC CONTAINING A MIXTURE OF SAID DIFFERENT KINDS OF TEXTILE FIBRES, COMPRISING MEANS FOR PULLING THE TEXTILE FABRIC APART INTO INDIVIDUAL FIBRES OF DIFFERENT KINDS AND DIFFERENTIALLY CHARGING SAID FIBRES, AN AIR PASSAGE INTO WHICH SAID FIBRES ARE DISCHARGED, MEANS GENERATING A STREAM OF AIR IN SAID AIR PASSAGE FOR ENTRAINING THE FIBRES DISCHARGED THEREINTO AND CONVEYING THE FIBRES ALONG SAID PASSAGE TO AN ELECTROSTATIC SEPARATOR AT A CONTROLLED VELOCITY, SAID ELECTROSTATIC SEPARATOR COMPRISING ELECTRODES CHARGED TO DIFFERENT POTENTIALS WHEREBY TO CAUSE THE FIBRES IN THE AIR STREAM TO MOVE ALONG DIFFERENT PATHS IN ACCORDANCE WITH THE CHARGES THEREON AND THEREBY EFFECT SEPARATION OF THE DIFFERENT KINDS OF FIBRES.
References Cited (Backward Citations)
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Cited
US2445229A
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US2738067A
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Cited
US2839189A
Cited
US3037248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |