US3016678A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile processes
Assignee: Ernest Scragg and Sons Ltd
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Filing: 1959-06-10
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Granted: 1962-01-16
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Expires: 1979-06-10
Abstract
No abstract record available.
Inventors
- 👤 Nesbitt-Dufort Timothy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:45
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/0206; D02G1/0266
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
IN AN APPARATUS FOR CRIMPING A THERMOPLASTIC YARN, IN COMBINATION, MEANS FOR ADVANCING THE YARN WHICH IS TO BE CRIMPED ALONG A PREDETERMINED PATH; FALSE TWIST MEANS COOPERATING WITH THE YARN AS IT MOVES ALONG SAID PATH TO FALSE TWIST OF THE SAME, SAID FALSE TWIST MEANS PROVIDING A TWIST OF THE YARN THROUGH A PREDETERMINED PORTION OF SAID PATH IN ADVANCE OF SAID FALSE TWIST MEANS WHERE THE YARN MOVES TOWARD THE LATTER; SOFTENING MEANS LOCATED ALONG SAID PATH IN ADVANCE OF SAID FALSE TWIST MEANS AT A PART OF SAID PREDETERMINED PORTION OF SAID PATH FOR RENDERING THE YARN PARTIALLY PLASTIC SO THAT THE TWIST IS APPLIED TO THE PARTIALLY PLASTIC YARN, THE YARN MOVING THROUGH A FREE, OPEN SPACE FROM SAID SOFTENING MEANS TO SAID FALSE TWIST MEANS; AND BLOWER MEANS DRIVEN BY SAID FALSE TWIST MEANS FOR CREATING A STREAM OF AIR WHICH IS DIRECTED FROM SAID FALSE TWIST MEANS TOWARD SAID SOFTENING MEANS AND WHICH ENGAGES THE YARN IN SAID FREE SPACE TO SET THE YARN BEFORE IT REACHES SAID FALSE TWIST MEANS.
Claim 2
Dependent Claim
178 words
IN AN APPARATUS FOR CRIMPING A THERMOPLASTIC YARN, IN COMBINATION, MEANS FOR ADVANCING THE YARN WHICH IS TO BE CRIMPED ALONG A PREDETERMINED PATH; FALSE TWIST MEANS COOPERATING WITH THE YARN AS IT MOVES ALONG SAID PATH TO FALSE TWIST OF THE SAME, SAID FALSE TWIST MEANS PROVIDING A TWIST OF THE YARN THROUGH A PREDETERMINED PORTION OF SAID PATH IN ADVANCE OF SAID FALSE TWIST MEANS WHERE THE YARN MOVES TOWARD THE LATTER; SOFTENING MEANS LOCATED ALONG SAID PATH IN ADVANCE OF SAID FALSE TWIST MEANS AT A PART OF SAID PREDETERMINED PORTION OF SAID PATH FOR RENDERING THE YARN PARTIALLY PLASTIC SO THAT THE TWIST IS APPLIED TO THE PARTIALLY PLASTIC YARN, THE YARN MOVING THROUGH A FREE, OPEN SPACE FROM SAID SOFTENING MEANS TO SAID FALSE TWIST MEANS; AND BLOWER MEANS DRIVEN BY SAID FALSE TWIST MEANS FOR CREATING A STREAM OF AIR WHICH IS DIRECTED FROM SAID FALSE TWIST MEANS TOWARD SAID SOFTENING MEANS AND WHICH ENGAGES THE YARN IN SAID FREE SPACE TO SET THE YARN BEFORE IT REACHES SAID FALSE TWIST MEANS.
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) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |