US3353240A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for feeding yarn into a stuffer crimper
Assignee: Joseph Bancroft and Sons Co
•
Filing: 1965-08-03
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Granted: 1967-11-21
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Expires: 1985-08-03
Abstract
No abstract record available.
Inventors
- 👤 James R Hodges
- 👤 Steve E Zeis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:27
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12; B; B65; B65H; B65H54/00; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
104 words
THE METHOD OF FORMING A CORE OF CRIMPED YARN IN A STUFFER CRIMPER HAVING A CRIMPING CHAMBER WITH AN ELONGATED CROSS-SECTION, WHICH COMPRISES FEEDING A YARN INTO ONE END OF SAID CHAMBER FROM THE BITE OF A PAIR OF FEED ROLLS HAVING AXES PARALLEL TO THE LONGER SIDE OF SAID CHAMBER, RECIPROCATING THE YARN AXIALLY OF SAID ROLLS TO LAY THE YARN IN SAID CHAMBER IN SUCCESSION OF TRANSVERSE LAYERS IN THE CORE, AND SUPERIMPOSING ON SAID RECIPROCATING MOTION A SECOND RECIPROCATING MOTION OVER A SHORTER PATH ADAPTED TO LAY THE YARN IN A SERIES OF OVERLAPPED, SHINGLED AREAS IN EACH OF SAID LAYERS.
Claim 2
Independent Claim
104 words
THE METHOD OF FORMING A CORE OF CRIMPED YARN IN A STUFFER CRIMPER HAVING A CRIMPING CHAMBER WITH AN ELONGATED CROSS-SECTION, WHICH COMPRISES FEEDING A YARN INTO ONE END OF SAID CHAMBER FROM THE BITE OF A PAIR OF FEED ROLLS HAVING AXES PARALLEL TO THE LONGER SIDE OF SAID CHAMBER, RECIPROCATING THE YARN AXIALLY OF SAID ROLLS TO LAY THE YARN IN SAID CHAMBER IN SUCCESSION OF TRANSVERSE LAYERS IN THE CORE, AND SUPERIMPOSING ON SAID RECIPROCATING MOTION A SECOND RECIPROCATING MOTION OVER A SHORTER PATH ADAPTED TO LAY THE YARN IN A SERIES OF OVERLAPPED, SHINGLED AREAS IN EACH OF SAID LAYERS.
Claim 3
Dependent Claim
128 words
APPARATUS FOR CRIMPING YARN COMPRISING A CRIMPING CHAMBER OF ELONGATED CROSS-SECTION, FEED ROLLS DISPOSED TO FEED SAID YARN INTO SAID CHAMBER TO BE FOLDED OVER AND CRIMPED AGAINST A MASS OF PREVIOUSLY CRIMPED YARN IN SAID CHAMBER, AND YARN GUIDE MEANS DISPOSED TO FEED THE YARN TO THE BITE OF SAID FEED ROLLS, SAID YARN GUIDE MEANS COMPRISING A CARRIAGE ADAPTED TO RECIPROCATE AXIALLY OF SAID FEED ROLLS, A GUIDE MEMBER MOUNTED ON SAID CARRIAGE AND ADAPTED TO FEED THE YARN TO THE BITE OF SAID FEED ROLLS, MEANS RECIPROCATING SAID CARRIAGE AXIALLY OF SAID FEED ROLLS, AND MEANS RECIPROCATING SAID GUIDE MEMBER ON SAID CARRIAGE FOR THEREBY SUPERIMPOSING ON SAID GUIDE MEMBER A SECOND RECIPROCATING MOTION OVER A PATH WHICH IS SHORTER THAN THAT OF SAID CARRIAGE.
Claim 4
Dependent Claim
128 words
APPARATUS FOR CRIMPING YARN COMPRISING A CRIMPING CHAMBER OF ELONGATED CROSS-SECTION, FEED ROLLS DISPOSED TO FEED SAID YARN INTO SAID CHAMBER TO BE FOLDED OVER AND CRIMPED AGAINST A MASS OF PREVIOUSLY CRIMPED YARN IN SAID CHAMBER, AND YARN GUIDE MEANS DISPOSED TO FEED THE YARN TO THE BITE OF SAID FEED ROLLS, SAID YARN GUIDE MEANS COMPRISING A CARRIAGE ADAPTED TO RECIPROCATE AXIALLY OF SAID FEED ROLLS, A GUIDE MEMBER MOUNTED ON SAID CARRIAGE AND ADAPTED TO FEED THE YARN TO THE BITE OF SAID FEED ROLLS, MEANS RECIPROCATING SAID CARRIAGE AXIALLY OF SAID FEED ROLLS, AND MEANS RECIPROCATING SAID GUIDE MEMBER ON SAID CARRIAGE FOR THEREBY SUPERIMPOSING ON SAID GUIDE MEMBER A SECOND RECIPROCATING MOTION OVER A PATH WHICH IS SHORTER THAN THAT OF SAID CARRIAGE.
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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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |