US3172185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn packaging and treatment
Assignee: Joseph Bancroft and Sons Co
•
Filing: 1961-11-07
•
Granted: 1965-03-09
•
Expires: 1981-11-07
Abstract
No abstract record available.
Inventors
- 👤 Paul W Langway
- 👤 Orman B Billings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:49
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
APPARATUS FOR CRIMPING AND PACKAGING YARN, COMPRISING AN ELONGATED CRIMPING CHAMBER HAVING AN INLET END AND A DISCHARGE END, MEANS FEEDING YARN FOR CRIMPING INTO THE INLET END OF SAID CHAMBER TO BE FOLDED OVER AND CRIMPED AGAINST THE MASS OF CRIMPED YARN IN SAID CHAMBER, AND TO DISCHARGE THE MASS OF CRIMPED YARN FROM THE DISCHARGE END OF SAID CHAMBER AS A CORE HAVING A CROSS SECTION CORRESPONDING TO THAT OF SAID CHAMBER, A RECEIVER POSITIONED TO RECEIVE SAID CORE AS IT IS DISCHARGED, SAID RECEIVER BEING IN THE FORM OF AN OPEN-ENDED CAN HAVING AN END WALL DISPOSED ADJACENT THE DISCHARGE END OF SAID CHAMBER AND HAVING A CENTRAL SLEEVE AROUND WHICH SAID CORE IS LAID AND MEANS ROTATING SAID RECEIVER AND RETRACTING SAID END WALL AXIALLY FROM THE DISCHARGE END OF SAID CHAMBER FOR THEREBY LAYING SAID CORE IN THE FORM OF A HELICAL LAYER AROUND SAID CENTRAL SLEEVE.
Claim 2
Dependent Claim
152 words
APPARATUS FOR CRIMPING AND PACKAGING YARN, COMPRISING AN ELONGATED CRIMPING CHAMBER HAVING AN INLET END AND A DISCHARGE END, MEANS FEEDING YARN FOR CRIMPING INTO THE INLET END OF SAID CHAMBER TO BE FOLDED OVER AND CRIMPED AGAINST THE MASS OF CRIMPED YARN IN SAID CHAMBER, AND TO DISCHARGE THE MASS OF CRIMPED YARN FROM THE DISCHARGE END OF SAID CHAMBER AS A CORE HAVING A CROSS SECTION CORRESPONDING TO THAT OF SAID CHAMBER, A RECEIVER POSITIONED TO RECEIVE SAID CORE AS IT IS DISCHARGED, SAID RECEIVER BEING IN THE FORM OF AN OPEN-ENDED CAN HAVING AN END WALL DISPOSED ADJACENT THE DISCHARGE END OF SAID CHAMBER AND HAVING A CENTRAL SLEEVE AROUND WHICH SAID CORE IS LAID AND MEANS ROTATING SAID RECEIVER AND RETRACTING SAID END WALL AXIALLY FROM THE DISCHARGE END OF SAID CHAMBER FOR THEREBY LAYING SAID CORE IN THE FORM OF A HELICAL LAYER AROUND SAID CENTRAL SLEEVE.
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US2421334A
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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) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |