US3284868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn crimping apparatus
Assignee: Joseph Bancroft and Sons Co
•
Filing: 1962-05-04
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Granted: 1966-11-15
•
Expires: 1982-05-04
Abstract
No abstract record available.
Inventors
- 👤 Paul W Langway
- 👤 Ewart H Shattuck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:40
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12; D02G1/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
167 words
APPARATUS FOR CRIMPING YARN COMPRISING A FIXED PLATE ADAPTED TO SUPPORT THE GUIDE A CORE OF CRIMPED YARN ALONG AN ARCUATE PATH BETWEEN INLET AND DISCHARGE POINTS WITH AT LEAST A PORTION OF THE SIDES OF THE CORE EXPOSED ABOVE THE SURFACE OF SAID PLATE, A FLEXIBLE TAPE ENGAGING THE CORE AND EXTENDING ALONG SAID PATH TO HOLD THE CORE COMPACTED AGAINST THE SURFACE OF SAID PLATE, GUIDE MEANS MOUNTING SAID TAPE TO ENVELOP AT LEAST A PORTION OF THE EXPOSED SIDES OF SAID COPE ON SAID PLATE WHEREBY THE TAPE AND PLATE TOGETHER SUBSTANTIALLY ENCLOSE SAID CORE AS IT ADVANCES IN SAID ARCUATE PATH ALONG SAID PLATE, A PAIR OF FEED ROLLS HAVING A BITE DISPOSED TO FEED A YARN INTO A CRIMPING CHAMBER BETWEEN SAID TAPE AND SAID PLATE AT SAID INLET POINT TO BE FOLDED OVER THE CRIMPED AGAINST THE MASS OF PREVIOUSLY CRIMPED YARN IN SAID COPE AND MEANS ADVANCING SAID TAPE WITH SAID CORE ALONG SAID ARCUATE PATH TO SAID DISCHARGE POINT.
Claim 2
Dependent Claim
167 words
APPARATUS FOR CRIMPING YARN COMPRISING A FIXED PLATE ADAPTED TO SUPPORT THE GUIDE A CORE OF CRIMPED YARN ALONG AN ARCUATE PATH BETWEEN INLET AND DISCHARGE POINTS WITH AT LEAST A PORTION OF THE SIDES OF THE CORE EXPOSED ABOVE THE SURFACE OF SAID PLATE, A FLEXIBLE TAPE ENGAGING THE CORE AND EXTENDING ALONG SAID PATH TO HOLD THE CORE COMPACTED AGAINST THE SURFACE OF SAID PLATE, GUIDE MEANS MOUNTING SAID TAPE TO ENVELOP AT LEAST A PORTION OF THE EXPOSED SIDES OF SAID COPE ON SAID PLATE WHEREBY THE TAPE AND PLATE TOGETHER SUBSTANTIALLY ENCLOSE SAID CORE AS IT ADVANCES IN SAID ARCUATE PATH ALONG SAID PLATE, A PAIR OF FEED ROLLS HAVING A BITE DISPOSED TO FEED A YARN INTO A CRIMPING CHAMBER BETWEEN SAID TAPE AND SAID PLATE AT SAID INLET POINT TO BE FOLDED OVER THE CRIMPED AGAINST THE MASS OF PREVIOUSLY CRIMPED YARN IN SAID COPE AND MEANS ADVANCING SAID TAPE WITH SAID CORE ALONG SAID ARCUATE PATH TO SAID DISCHARGE POINT.
References Cited (Backward Citations)
FR65531E
Cited
US2760252A
Cited
US3058167A
Cited
US3000059A
Cited
US2997747A
Cited
US3146512A
Cited
US3135039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |