US3318083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for false twist-crimping yarn
Assignee: Klinger Manufacturing Co Ltd
•
Filing: 1964-05-08
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Granted: 1967-05-09
•
Expires: 1984-05-08
Abstract
No abstract record available.
Inventors
- 👤 Gilchrist Reginald Selby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:28
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/0206; D02G1/0226
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A METHOD OF CRIMPING YARN COMPRISING A FIRST STEP OF HEATING AND THEN FALSE TWISTING THE YARN ON THE RUN IN ONE DIRECTION; AND A SECOND STEP OF HEATING THE YARN TO A LESSER EXTENT THAN IN THE FIRST STEP AND THEN FALSE TWISTING THE YARN ON THE RUN IN THE OPPOSITE DIRECTION TO, AND TO AN EQUAL OR GREATER DEGREE THAN THE FALSE TWISTING IN THE FIRST STEP; POSITIVELY TENSIONING THE YARN WHILE IT IS BEING HEATED AND FALSE TWISTED ON THE RUN IN SAID ONE DIRECTION BY DRAWING THE YARN UNDER TENSION THROUGH THE FIRST STEP; AND POSITIVELY FEEDING THE YARN THROUGH SAID SECOND STEP.
Claim 2
Independent Claim
107 words
A METHOD OF CRIMPING YARN COMPRISING A FIRST STEP OF HEATING AND THEN FALSE TWISTING THE YARN ON THE RUN IN ONE DIRECTION; AND A SECOND STEP OF HEATING THE YARN TO A LESSER EXTENT THAN IN THE FIRST STEP AND THEN FALSE TWISTING THE YARN ON THE RUN IN THE OPPOSITE DIRECTION TO, AND TO AN EQUAL OR GREATER DEGREE THAN THE FALSE TWISTING IN THE FIRST STEP; POSITIVELY TENSIONING THE YARN WHILE IT IS BEING HEATED AND FALSE TWISTED ON THE RUN IN SAID ONE DIRECTION BY DRAWING THE YARN UNDER TENSION THROUGH THE FIRST STEP; AND POSITIVELY FEEDING THE YARN THROUGH SAID SECOND STEP.
References Cited (Backward Citations)
US3071838A
Cited
US3041813A
Cited
US3165881A
Cited
US3041814A
Cited
US3137119A
Cited
US3270492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |