Patent US3256134A successfully refreshed from Google Patents.
US3256134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Yarn treating process and product
Assignee: Akzona Inc
•
Filing: 1963-10-09
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Granted: 1966-06-14
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Expires: 1983-10-09
Abstract
No abstract record available.
Inventors
- 👤 Charles M Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:02
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/14; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2973; Y10T428/2978
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A PROCESS FOR PERMANENTLY CRIMPING CONTINUOUS FILAMENT YARN COPRISING THE STEPS OF FEEDING UNDRAWN FILAMENTARY MATERIAL FORMED FROM SYNTHETIC LINEAR HIGH POLYMERS ALONG A RECTILINEAR PATH WHILE HEATING THE SAME BELOW ITS SOFTENING POINT, PARTIALLY DRAWING SAID FILAMENTARY MATERIAL BY EXTENDING THE SAME LONGITUDINALLY, PASSING SAID PARTIALLY DRAWN FILAMENTARY MATERIAL IMMEDIATELY INTO A CRIMPING ZONE, ANCHORING SAID FILAMENTARY MATERIAL TO PREVENT SLIPPAGE RELATIVE TO, WHILE PERMITTING UNIMPEDED PASSAGE THROUGH SAID CRIMPING ZONE, COMPLETING THE DRAWING OF SAID FILAMENTARY MATERIAL BY FORCING THE SAME LATERALLY OF SAID RECTILINEAR PATH INTO A CRIMPED CONDITION TO COMPLEMENT ORIENTATION OF MOLECULES THEREIN, AND WINDING THE DRAWN AND CRIMPED FILAMENTARY MATERIAL INTO PACKAGE FORM.
Claim 2
Dependent Claim
109 words
A PROCESS FOR PERMANENTLY CRIMPING CONTINUOUS FILAMENT YARN COPRISING THE STEPS OF FEEDING UNDRAWN FILAMENTARY MATERIAL FORMED FROM SYNTHETIC LINEAR HIGH POLYMERS ALONG A RECTILINEAR PATH WHILE HEATING THE SAME BELOW ITS SOFTENING POINT, PARTIALLY DRAWING SAID FILAMENTARY MATERIAL BY EXTENDING THE SAME LONGITUDINALLY, PASSING SAID PARTIALLY DRAWN FILAMENTARY MATERIAL IMMEDIATELY INTO A CRIMPING ZONE, ANCHORING SAID FILAMENTARY MATERIAL TO PREVENT SLIPPAGE RELATIVE TO, WHILE PERMITTING UNIMPEDED PASSAGE THROUGH SAID CRIMPING ZONE, COMPLETING THE DRAWING OF SAID FILAMENTARY MATERIAL BY FORCING THE SAME LATERALLY OF SAID RECTILINEAR PATH INTO A CRIMPED CONDITION TO COMPLEMENT ORIENTATION OF MOLECULES THEREIN, AND WINDING THE DRAWN AND CRIMPED FILAMENTARY MATERIAL INTO PACKAGE FORM.
References Cited (Backward Citations)
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Cited
US2623266A
Cited
US2669001A
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US3019509A
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US2974391A
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US2974392A
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US3177556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-13 | 1969-12-13 | 1970-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-13 | 1973-12-13 | 1974-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-13 | 1977-12-13 | 1978-06-14 | $7700.00 | Window Closed / Lapsed |