US3302264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of crimping yarn
Assignee: Klinger Manufacturing Co Ltd
•
Filing: 1965-05-28
•
Granted: 1967-02-07
•
Expires: 1985-05-28
Abstract
No abstract record available.
Inventors
- 👤 Mattingly Denis Albert Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:09
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
A METHOD OF CRIMPING YARN HAVING AT LEAST A THERMOPLASTIC COMPONENT, SAID METHOD COMPRISING THE STEPS OF PREHEATING THE YARN TO SOFTEN THE THERMOPLASTIC COMPONENT, INTRODUCING THE SOFTENED YARN INTO A CRIMPING ZONE, SURROUNDING THE YARN IN THE CRIMPING ZONE WITH STATIONARY MEANS FROM THE ENTRY END OF THE DISCHARGE END THEREOF FOR A RELATIVELY SHORT DISTANCE IN THE LENGTHWIDE DIRECTION OF THE YARN AND RESTRICTING PASSAGE OF THE YARN AT THE DISCHARGE END OF THE CRIMPING ZONE TO THEREBY FORM A MASS OF CRIMPED YAN, FORCING THE MASS OF CRIMPED YARN TO THE DISCHARGE END OF THE ZONE, POSITIVELY ENGAGING THE MASS OF YARN INTERNALLY OF THE OUTER PERIPHERY THEREOF AND ALONG ITS ENTIRE LENGTH AS IT EMERGES FROM THE DISCHARGE END OF THE ZONE AND CONVEYING THE THUS ENGAGED YARN SUBSTANTIALLY WITHOUT SLIPPAGE FROM THE CRIMPING ZONE THROUGH A SETTING ZONE FOR A SUFFICIENT TIME TO SET THE CRIMP IN THE YARN WHILE SUBSTNATIALLY PRESERVING THE YARN IN THE CONFIGURATION IN WHICH IT WAS DELIVERED FROM THE CRIMPING ZONE.
Claim 2
Independent Claim
171 words
A METHOD OF CRIMPING YARN HAVING AT LEAST A THERMOPLASTIC COMPONENT, SAID METHOD COMPRISING THE STEPS OF PREHEATING THE YARN TO SOFTEN THE THERMOPLASTIC COMPONENT, INTRODUCING THE SOFTENED YARN INTO A CRIMPING ZONE, SURROUNDING THE YARN IN THE CRIMPING ZONE WITH STATIONARY MEANS FROM THE ENTRY END OF THE DISCHARGE END THEREOF FOR A RELATIVELY SHORT DISTANCE IN THE LENGTHWIDE DIRECTION OF THE YARN AND RESTRICTING PASSAGE OF THE YARN AT THE DISCHARGE END OF THE CRIMPING ZONE TO THEREBY FORM A MASS OF CRIMPED YAN, FORCING THE MASS OF CRIMPED YARN TO THE DISCHARGE END OF THE ZONE, POSITIVELY ENGAGING THE MASS OF YARN INTERNALLY OF THE OUTER PERIPHERY THEREOF AND ALONG ITS ENTIRE LENGTH AS IT EMERGES FROM THE DISCHARGE END OF THE ZONE AND CONVEYING THE THUS ENGAGED YARN SUBSTANTIALLY WITHOUT SLIPPAGE FROM THE CRIMPING ZONE THROUGH A SETTING ZONE FOR A SUFFICIENT TIME TO SET THE CRIMP IN THE YARN WHILE SUBSTNATIALLY PRESERVING THE YARN IN THE CONFIGURATION IN WHICH IT WAS DELIVERED FROM THE CRIMPING ZONE.
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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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |