US3137912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for producing intermittent edge-crimped yarn
Assignee: Deering Milliken Research Corp
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Filing: 1961-01-09
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Granted: 1964-06-23
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Expires: 1981-01-09
Abstract
No abstract record available.
Inventors
- 👤 Frederick A Preston
- 👤 Cyril G Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:38
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
EDGE CRIMPING YARN PROCESSING APPARATUS COMPRISING INTERMITTENT LATENT CRIMPING MEANS, LATENT CRIMP DEVELOPING MEANS, AND MEANS OF PROGRESSING A RUNNING LENGTH OF YARN UNDER TENSION SUCCESSIVELY AND SEQUENTIALLY INTO OPERATIVE CONTACT WITH SAID INTERMITTENT LATENT CRIMPING MEANS AND INTO OPERATIVE CONTACT WITH SAID LATENT CRIMP DEVELOPING MEANS; SAID INTERMITTENT LATENT CRIMPING MEANS INCLUDING TWO DIFFERENT YARN ENGAGING MEMBERS MOUNTED FOR LINEAR MOVEMENT OF THE POINTS OF YARN CONTACT ONE IN RELATION WITH THE OTHER, SAID POINTS OF CONTACT LYING IN SUBSTANTIALLY THE SAME VERTICAL PLANE AS THE YARN AND SELECTIVELY ENGAGEABLE WITH A SIDE THEREOF, ONE OF SAID YARN ENGAGING MEMBERS HAVING A SHARP CRIMPING EDGE EFFECTIVE OF IMPARTING LATENT CRIMP EFFECTING STRESSES TO THE YARN WHEN IN CONTACT THEREWITH, AND THE OTHER OF SAID YARN ENGAGING MEMBERS HAVING A REALTIVELY LESS SHARP YARN-ENGAGING EDGE AND LESS CAPABLE OF IMPARTING LATENT CRIMP EFFECTING STRESSES TO THE YARN AND MEANS FOR RECIPROCATING ONE MEMBER IN A STRAIGHT PATH RELATIVE TO THE OTHER.
Claim 2
Dependent Claim
161 words
EDGE CRIMPING YARN PROCESSING APPARATUS COMPRISING INTERMITTENT LATENT CRIMPING MEANS, LATENT CRIMP DEVELOPING MEANS, AND MEANS OF PROGRESSING A RUNNING LENGTH OF YARN UNDER TENSION SUCCESSIVELY AND SEQUENTIALLY INTO OPERATIVE CONTACT WITH SAID INTERMITTENT LATENT CRIMPING MEANS AND INTO OPERATIVE CONTACT WITH SAID LATENT CRIMP DEVELOPING MEANS; SAID INTERMITTENT LATENT CRIMPING MEANS INCLUDING TWO DIFFERENT YARN ENGAGING MEMBERS MOUNTED FOR LINEAR MOVEMENT OF THE POINTS OF YARN CONTACT ONE IN RELATION WITH THE OTHER, SAID POINTS OF CONTACT LYING IN SUBSTANTIALLY THE SAME VERTICAL PLANE AS THE YARN AND SELECTIVELY ENGAGEABLE WITH A SIDE THEREOF, ONE OF SAID YARN ENGAGING MEMBERS HAVING A SHARP CRIMPING EDGE EFFECTIVE OF IMPARTING LATENT CRIMP EFFECTING STRESSES TO THE YARN WHEN IN CONTACT THEREWITH, AND THE OTHER OF SAID YARN ENGAGING MEMBERS HAVING A REALTIVELY LESS SHARP YARN-ENGAGING EDGE AND LESS CAPABLE OF IMPARTING LATENT CRIMP EFFECTING STRESSES TO THE YARN AND MEANS FOR RECIPROCATING ONE MEMBER IN A STRAIGHT PATH RELATIVE TO THE OTHER.
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) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |