US3695026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flange false twist textured nylon
Assignee: Celanese Corp
•
Filing: 1970-08-06
•
Granted: 1972-10-03
•
Expires: 1990-08-06
Abstract
Abstract A novel monofilament nylon yarn suitable for use in knit constructions, particularly women''s hosiery, characterized by its boardability and twist-liveliness values is disclosed. A false twist process, which may be a simultaneous or sequential drawing, false twisting operation utilizing a twist insertion flange, is disclosed as exemplary of methods to produce the yarn.
Inventors
- 👤 Michael P Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:14
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/0286
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
13 words
The yarn of claim 1 having a Boardability Factor about 1.0 to 2.0.
Claim 2
Dependent Claim
12 words
The yarn of claim 2 having a Boardability Factor below about 1.5.
Claim 3
Dependent Claim
14 words
The yarn of claim 3 having a twist liveliness of about 500 to 600.
Claim 4
Dependent Claim
12 words
The yarn of claim 4 having a Boardability Factor below about 1.3.
Claim 5
Dependent Claim
13 words
The yarn of claim 2 having an ESST of less than about 75*C.
Claim 6
Dependent Claim
13 words
The yarn of claim 6 having an ESST of about 40 to 60*C.
Claim 7
Dependent Claim
14 words
The yarn of claim 2 having a torque of about 30 to 40 seconds.
Claim 8
Dependent Claim
8 words
The yarn of claim 2 comprising nylon 6,6.
Claim 9
Dependent Claim
8 words
The yarn of claim 2 comprising nylon 6.
Claim 10
Dependent Claim
9 words
A knit article comprising the yarn of claim 2.
Claim 11
Dependent Claim
9 words
A knit structure comprising the yarn of claim 9.
Claim 12
Dependent Claim
9 words
A knit structure comprising the yarn of claim 10.
References Cited (Backward Citations)
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Cited
US3094834A
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US3154906A
Cited
US3488940A
Cited
US3527043A
Cited
US3535866A
Cited
US3559391A
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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) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |