US3334479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for securing yarn during stoppage of the spinning mechanism for the continuous ringless spinning of textile fibers
Assignee: Vyzkumny Ustav Bavlnarsky AS
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Filing: 1967-03-07
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Granted: 1967-08-08
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Expires: 1987-03-07
Abstract
No abstract record available.
Inventors
- 👤 Mikulecky Karel
- 👤 Elias Jiri
- 👤 Holub Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:32
CPC Classifications
D; D01; D01H; D01H4/00; D01H4/04; D01H4/08; D01H13/00; D01H13/14; D01H13/16; D01H13/18; D01H13/188
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A DEVICE FOR PREVENTING, DURING STOPPING OF A SPINNING MECHANISM FOR CONTINUOUS RINGLESS SPINNING OF TEXTILE FIBERS IN A ROTATBLE SPINNING CHAMBER IN WHICH SUBATMOSPHERIC PRESSURE IS CREATED DURING ROTATION THEREOF, WITHDRAWAL OF YARN FROM THE OUTLET PASSAGE OF THE SPINNING MECHANISM, SAID DEVICE COMPRISING, IN COMBINATION, GRIPPING MEANS IN THE REGION OF THE OUTLET END OF THE OUTLET PASSAGE AND BEING MOVABLE BETWEEN A GRIPPING POSITION GRIPPING A PORTION OF A YARN PASSING THROUGH SAID OUTLET PASSAGE AND A RELEASING POSITION PERMITTING FREE MOVEMENT OF THE YARN THROUGH AND BEYOND SAID OUTLET PASSAGE, SAID GRIPPING MECHANISM BEING CONSTRUCTED SO AS TO TEND TO STAY IN SAID GRIPPING POSITION; AND OPERATING MEANS INFLUENCED BY THE AIR PRESSURE IN SAID SPINNING CHAMBER AND COOPERATING WITH SAID GRIPPING MEANS TO MOVE THE LATTER TO SAID RELEASING POSITION WHEN DURING ROTATION OF SAID SPINNING CHAMBER SUBATMOSPHERIC PRESSURE IS CREATED THEREIN SO THAT SAID GRIPPING MEANS WILL BE IN SAID GRIPPING POSITION DURING STANDSTILL OF SAID SPINNING CHAMBER.
Claim 2
Independent Claim
164 words
A DEVICE FOR PREVENTING, DURING STOPPING OF A SPINNING MECHANISM FOR CONTINUOUS RINGLESS SPINNING OF TEXTILE FIBERS IN A ROTATBLE SPINNING CHAMBER IN WHICH SUBATMOSPHERIC PRESSURE IS CREATED DURING ROTATION THEREOF, WITHDRAWAL OF YARN FROM THE OUTLET PASSAGE OF THE SPINNING MECHANISM, SAID DEVICE COMPRISING, IN COMBINATION, GRIPPING MEANS IN THE REGION OF THE OUTLET END OF THE OUTLET PASSAGE AND BEING MOVABLE BETWEEN A GRIPPING POSITION GRIPPING A PORTION OF A YARN PASSING THROUGH SAID OUTLET PASSAGE AND A RELEASING POSITION PERMITTING FREE MOVEMENT OF THE YARN THROUGH AND BEYOND SAID OUTLET PASSAGE, SAID GRIPPING MECHANISM BEING CONSTRUCTED SO AS TO TEND TO STAY IN SAID GRIPPING POSITION; AND OPERATING MEANS INFLUENCED BY THE AIR PRESSURE IN SAID SPINNING CHAMBER AND COOPERATING WITH SAID GRIPPING MEANS TO MOVE THE LATTER TO SAID RELEASING POSITION WHEN DURING ROTATION OF SAID SPINNING CHAMBER SUBATMOSPHERIC PRESSURE IS CREATED THEREIN SO THAT SAID GRIPPING MEANS WILL BE IN SAID GRIPPING POSITION DURING STANDSTILL OF SAID SPINNING 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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |