Composite fibrid yarns and method of manufacture
Abstract
Abstract NOVEL COMPOSITE YARN IS PRODUCED WHICH COMPRISES A CONTINUOUS POLYMER SUBSTRATE CONSTITUENT COMBINED WITH FIBRIDS WHICH ARE EMBEDDED WITHIN THE POLYMER SUBSTRATE AND CONSOLIDATED THEREWITH; THESE FIBRIDS GENERALLY PROTRUDE OUTWARDLY FROM THE POLYMER SUBSTRATE CONSITUENT IN THE FORM OF FILAMENTOUS UNITS HAVING AN AVERAGE LENGTH OF FROM 1/8 TO 1/2 INCH AND A FINENESS OF BETWEEN 0.2 AND 1 DENIER AS WELLL AS A CHARACTERISTIC SPECIFIC SURFACE ABOVE 2 M.2/G; THEY IMPART TO THE COMPOSITE YARN A FIBROUS SURFACE TEXTURE; THIS NOVEL YARN IS PRODUCED BY A PROCESS GENERALLY INVOLVING EXTRUSION OF THE POLYMER SUBSTRATE AND COMBINATION AS WELL AS CONSOLIDATION OF THE EXTRUDED SUBSTRATE WITH THE FIBRID UNITS THROUGH PRESSURE AND COOLING.
Inventors
- 👤 Emilian Bobkowicz
- 👤 Andrew John Bobkowicz
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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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) | 1974-11-22 | 1975-05-24 | 1975-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-22 | 1979-05-24 | 1979-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-22 | 1983-05-24 | 1983-11-23 | $7700.00 | Window Closed / Lapsed |