Lenoweave substrate construction
Abstract
Abstract A LOW-TEXTURE BACKING OR SUPPORT FABRIC SUCH AS SCRIM IS WOVEN BY THE LENOWEAVE METHOD. A SYSTEM OF PAIRS OF DIFFERENT STRENGTH WARP YARNS ARE INTERLACED (I.E. CROSSED AND TWISTED) AT EACH POINT OF CONTACT WITH AN INTERWOVEN SYSTEM OF FILLING YARN. THE RELATIVELY STRONG OR PRIMARY WARP YARNS AND THE FILLING YARNS HAVE IDENTICAL TEAR OR RUPTURE STRENGTHS. WHEN PRESSURE CAUSES THE FILLING YARNS TO MOVE OR RIDE UP AND/OR DOWN THE WARP SYSTEM, THE RELATIVELY WEAK OR SECONDARY WARP YARNS RUPTURE, WHILE THE RELATIVELY STRON PRIMARY WARP YARNS REMAIN INTACT, THUS MAINTAINING A BALANCED OR UNIFORM SUBSTRATE CONSTRUCTION PRIOR TO LAMINATION. THE LENOWEAVE FABRIC MAY BE EMPLOYED AS A CHAFER OR FINISHING STRIP IN THE LAMINATION OF ELASTOMERIC MATERIAL USED FOR RUBBER TIRES. THE FOREGOING ABSTRACT IS NOT INTENDED TO DEFINE THE SCOPE OF THE INVENTION AND IS ONLY PROVIDED TO PERMIT A CURSORY REVIEW OF THE GIST OF THE INVENTION.
Inventors
- 👤 Ralph L Richardson Jr
- 👤 William L Horne
Bibliographic Details
Claims Analysis
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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) | 1974-07-26 | 1975-01-25 | 1975-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-26 | 1979-01-25 | 1979-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-26 | 1983-01-25 | 1983-07-27 | $7700.00 | Window Closed / Lapsed |