Dipped cord made of melt spun filament yarns of an alternating copolymer and a process for manufacturing said cord
CA 2325951 A1 · Owner: Tabor, Berend Johan · Inventors: Juijn, Johannes Anthonij; Hottenhuis, Marcelinus Herman Jozef; Tabor, Berend Johan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Claimed are dipped cords made from melt-spun filament yarns of an alternating copolymer of alkenes and carbon monoxide having a cord twist factor in the range of 120 to 250 and a - breaking tenacity BT ~ 750 mN/tex, - TASE-2 > 70 mN/tex and, - HAS-2'-180°C (5 mN/tex) < 3.6%, and the manufacture of these cords by subjecting drawn filament yarns to a dipping treatment. Preference is given to dipped cords having a, - breaking tenacity BT ~ 850 mN/tex - TASE-2 > 75 mN/tex, which are obtainable from yarns wherein after dipsimulation the aspect ratio of the crystals 2A002/(A210+A310) varies between 2.3 and 2.7. The cords were found to be pre-eminently suitable to reinforce rubber articles such as …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed November 14, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 14, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 14, 2022.
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