US3020173A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of knop yarns and apparatus therefor
Assignee: Moulinage et Retorderie de Chavanoz SA
•
Filing: 1958-05-13
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Granted: 1962-02-06
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Expires: 1978-05-13
Abstract
No abstract record available.
Inventors
- 👤 Stieffenhofer Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:35
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/22; D02G3/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A PROCESS FOR THE MANUFACTURING OF KNOP YARNS WHICH COMPRISES APPLYING TO THE YARN HAVING A FIRST COATING LAYER OF A PLASTISOL THEREON,AN ADDITIONAL COATING LAYER CONSIATING OF A SECOND PLASTISOL OF LOW VISCOSITY CAPABLE OF ADHERING TO SAID FIRST COATONG LAYER AND OF SHRIKING WHEN DRIED, PASSING SAID COATED YARN THROUGH A NOZZLE HAVING A RESTRICTED OPENING ADAPTED TO REMOVE THE EXCESS OF SAID LOW VISOCOSITY PLASTISOL, AND PASSING SAID YARN THROUGH A DRYING ZONE TO DRY SAID LOW VISCOSITY PLASTISOL AND TO CAUSE THE LATTER TO SHINK AND FORM SPACED NEADS ON SAID YARN.
Claim 2
Dependent Claim
96 words
A PROCESS FOR THE MANUFACTURING OF KNOP YARNS WHICH COMPRISES APPLYING TO THE YARN HAVING A FIRST COATING LAYER OF A PLASTISOL THEREON,AN ADDITIONAL COATING LAYER CONSIATING OF A SECOND PLASTISOL OF LOW VISCOSITY CAPABLE OF ADHERING TO SAID FIRST COATONG LAYER AND OF SHRIKING WHEN DRIED, PASSING SAID COATED YARN THROUGH A NOZZLE HAVING A RESTRICTED OPENING ADAPTED TO REMOVE THE EXCESS OF SAID LOW VISOCOSITY PLASTISOL, AND PASSING SAID YARN THROUGH A DRYING ZONE TO DRY SAID LOW VISCOSITY PLASTISOL AND TO CAUSE THE LATTER TO SHINK AND FORM SPACED NEADS ON SAID YARN.
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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) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |