US3261155A
Expired / Lapsed
US
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Method and apparatus for treatment of yarns
Assignee: Heberlein Patent Corp
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Filing: 1963-12-18
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Granted: 1966-07-19
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Expires: 1983-12-18
Abstract
No abstract record available.
Inventors
- 👤 Kunzle August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:06
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
METHOD OF PERMANENTLY CRIMPING TEXTILE YARNS IN WHICH AT LEAST TWO YARNS ARE TWISTED TOGETHER ALONG A SELECTED DISTANCE, ARE SUBJECTED TO HEAT FIXATION WHILE IN THIS CONDITION AND THEN SEPARATED AT A SEPARATION POINT BY BEING DRAWN APART IN DIFFERENT DIRECTIONS AT THE SAME SPEED, CHARACTERIZED IN THAT THE TENSION OF EACH OF THE SEPARATED YARNS IS REGULATED BY SENSING DIFFERENCE BETWEEN THE TENSIONS IN THE RESPECTIVE YARNS BEING SEPARATED, AND APPLYING A BRAKING FORCE TO THE SEPARATED YARN OF HIGHER TENSION.
Claim 2
Dependent Claim
83 words
METHOD OF PERMANENTLY CRIMPING TEXTILE YARNS IN WHICH AT LEAST TWO YARNS ARE TWISTED TOGETHER ALONG A SELECTED DISTANCE, ARE SUBJECTED TO HEAT FIXATION WHILE IN THIS CONDITION AND THEN SEPARATED AT A SEPARATION POINT BY BEING DRAWN APART IN DIFFERENT DIRECTIONS AT THE SAME SPEED, CHARACTERIZED IN THAT THE TENSION OF EACH OF THE SEPARATED YARNS IS REGULATED BY SENSING DIFFERENCE BETWEEN THE TENSIONS IN THE RESPECTIVE YARNS BEING SEPARATED, AND APPLYING A BRAKING FORCE TO THE SEPARATED YARN OF HIGHER TENSION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |