US3343378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the treatment of textile materials
Assignee: British Nylon Spinners Ltd
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Filing: 1965-04-05
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Granted: 1967-09-26
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Expires: 1985-04-05
Abstract
No abstract record available.
Inventors
- 👤 Roy V Hayman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:32
CPC Classifications
D; D06; D06B; D06B23/00; D06B23/14; D06B23/16; D06B19/00; D06B19/0005; D06B19/0029; D06B19/0035; D06C; D06C7/00; D06C2700/00; D06C2700/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
201 words
AN APPARATUS FOR THE TREATMENT OF TEXTILE MATERIALS IN CONTINUOUS LENGTHS IN STEAM UNDER PRESSURE AND IN AQUEOUS LIQUIDS BENEATH AN ATMOSPHERE OF STEAM UNDER PRESSURE, COMPRISING A STEAM CHAMBER; STEAM SUPPLY MEANS MAINTAINING AN ABOVE ATMOSPHERIC STEAM PRESSURE IN SAID CHAMBER, SAID CHAMBER HAVING A PLURALITY OF ORIFICES DESIGNED CLOSELY TO FIT THE CROSS-SECTIONAL CONTOUR OF THE TEXTILE MATERIAL AND PERMIT ITS PASSAGE INTO AND OUT OF THE CHAMBER, A PLURALITY OF DIFFUSION CHAMBERS WITH WHICH DIFFUSION CHAMBERS SAID ORIFICES COMMUNICATE; MEANS INCLUDING ESCAPE VALVES MAINTAINING SAID DIFFUSION CHAMBERS AT A LOWER PRESSURE THAN THE PRESSURE IN SAID STEAM CHAMBER; AN AIR CHAMBER COMMUNICATING IN TURN BY MEANS OF THE SAME TOTAL NUMBER OF SIMILARLY SHAPED ORFICES WITH THE AFORESAID DIFFUSION CHAMBERS; AIR SUPPLY MEANS MAINTAINING AN AIR PRESSURE IN SAID AIR CHAMBER ABOUT EQUAL TO THE STEAM PRESSURE IN SAID STEAM CHAMBER, SAID AIR CHAMBER HAVING SEALED ORIFICES TO PERMIT THE UNTREATED TEXTILE MATERIAL TO ENTER THE AIR CHAMBER FROM THE OUTSIDE AND ENABLE THE TREATED MATERIAL TO RETURN THERETO BY LEAVING THE AIR CHAMBER, AND MEANS FOR CARRYING THE TEXTILE MATERIAL INTO AND OUT OF THE STEAM CHAMBER BY WAY OF AN AIR CHAMBER AND A DIFFUSION CHAMBER.
Claim 2
Independent Claim
201 words
AN APPARATUS FOR THE TREATMENT OF TEXTILE MATERIALS IN CONTINUOUS LENGTHS IN STEAM UNDER PRESSURE AND IN AQUEOUS LIQUIDS BENEATH AN ATMOSPHERE OF STEAM UNDER PRESSURE, COMPRISING A STEAM CHAMBER; STEAM SUPPLY MEANS MAINTAINING AN ABOVE ATMOSPHERIC STEAM PRESSURE IN SAID CHAMBER, SAID CHAMBER HAVING A PLURALITY OF ORIFICES DESIGNED CLOSELY TO FIT THE CROSS-SECTIONAL CONTOUR OF THE TEXTILE MATERIAL AND PERMIT ITS PASSAGE INTO AND OUT OF THE CHAMBER, A PLURALITY OF DIFFUSION CHAMBERS WITH WHICH DIFFUSION CHAMBERS SAID ORIFICES COMMUNICATE; MEANS INCLUDING ESCAPE VALVES MAINTAINING SAID DIFFUSION CHAMBERS AT A LOWER PRESSURE THAN THE PRESSURE IN SAID STEAM CHAMBER; AN AIR CHAMBER COMMUNICATING IN TURN BY MEANS OF THE SAME TOTAL NUMBER OF SIMILARLY SHAPED ORFICES WITH THE AFORESAID DIFFUSION CHAMBERS; AIR SUPPLY MEANS MAINTAINING AN AIR PRESSURE IN SAID AIR CHAMBER ABOUT EQUAL TO THE STEAM PRESSURE IN SAID STEAM CHAMBER, SAID AIR CHAMBER HAVING SEALED ORIFICES TO PERMIT THE UNTREATED TEXTILE MATERIAL TO ENTER THE AIR CHAMBER FROM THE OUTSIDE AND ENABLE THE TREATED MATERIAL TO RETURN THERETO BY LEAVING THE AIR CHAMBER, AND MEANS FOR CARRYING THE TEXTILE MATERIAL INTO AND OUT OF THE STEAM CHAMBER BY WAY OF AN AIR CHAMBER AND A DIFFUSION CHAMBER.
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |