US3104516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing a variable denier composite multifilament yarn
Assignee: EIDP Inc
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Filing: 1962-05-18
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Granted: 1963-09-24
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Expires: 1982-05-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Frederick Cromwell Field
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:43
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/16; D02G3/00; D02G3/22; D02G3/34; D02G3/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
AN IMPROVED PROCESS FOR PREPARING A VARIABLE DENIER COMPOSITE MULTIFILAMENT YARN, SAID IMPROVED PROCESS COMPRISING THE STEPS OF MOVING AT LEAST TWO YARN COMPONENTS THROUGH A TURBULENT MEDIUM ZONE, THE FILAMENTS OF ONE OF SAID YARN COMPONENTS HAVING A RELATIVELY LOW EXTENSIBILITY FACTOR WITH RESPECT TO THE OTHER YARN COMPONENTS, SAID LOW EXTENSIBILITY YARN COMPONENT FED AT A LOWER RATE OF MOVEMENT THAN SAID OTHER YARN COMPONENTS SO THAT A FIRST VARIABLE DENIER COMPOSITE YARN IS FORMED WITH SAID LOW EXTENSIBILITY YARN AS A CONTINUOUS CORE COMPONENT AND SAID OTHER YARN COMPONENTS AS A CONTINUOUS SLUB COMPONENT, AND THEN APPLYING SUFFICIENT TENSION TO SAID RESULTANT FIRST VARIABLE DENIER COMPOSITE YARN TO BREAK SAID LOW EXTENSIBILITY YARN COMPONENT AND FORM A SECOND VARIABLE DENIER COMPOSITE YARN WITH SAID OTHER YARN COMPONENTS AS A CONTINUOUS CORE COMPONENT AND SAID BROKEN LOW EXTENSIBILITY YARN AS A SERIES OF INTERMITTENTLY SPACED BUNDLES OF DISCONTINUOUS LENGTH FILAMENTS INTERENGAGED IN AND ALONG THE LENGTH OF SAID CONTINUOUS OTHER YARN CORE COMPONENT.
Claim 2
Dependent Claim
165 words
AN IMPROVED PROCESS FOR PREPARING A VARIABLE DENIER COMPOSITE MULTIFILAMENT YARN, SAID IMPROVED PROCESS COMPRISING THE STEPS OF MOVING AT LEAST TWO YARN COMPONENTS THROUGH A TURBULENT MEDIUM ZONE, THE FILAMENTS OF ONE OF SAID YARN COMPONENTS HAVING A RELATIVELY LOW EXTENSIBILITY FACTOR WITH RESPECT TO THE OTHER YARN COMPONENTS, SAID LOW EXTENSIBILITY YARN COMPONENT FED AT A LOWER RATE OF MOVEMENT THAN SAID OTHER YARN COMPONENTS SO THAT A FIRST VARIABLE DENIER COMPOSITE YARN IS FORMED WITH SAID LOW EXTENSIBILITY YARN AS A CONTINUOUS CORE COMPONENT AND SAID OTHER YARN COMPONENTS AS A CONTINUOUS SLUB COMPONENT, AND THEN APPLYING SUFFICIENT TENSION TO SAID RESULTANT FIRST VARIABLE DENIER COMPOSITE YARN TO BREAK SAID LOW EXTENSIBILITY YARN COMPONENT AND FORM A SECOND VARIABLE DENIER COMPOSITE YARN WITH SAID OTHER YARN COMPONENTS AS A CONTINUOUS CORE COMPONENT AND SAID BROKEN LOW EXTENSIBILITY YARN AS A SERIES OF INTERMITTENTLY SPACED BUNDLES OF DISCONTINUOUS LENGTH FILAMENTS INTERENGAGED IN AND ALONG THE LENGTH OF SAID CONTINUOUS OTHER YARN CORE COMPONENT.
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |