D - Textiles – Paper – 07 – B
Patent
D - Textiles, Paper
07
B
D07B 1/06 (2006.01) B60C 9/00 (2006.01) D07B 1/16 (2006.01)
Patent
CA 2232494
A cord for reinforcing rubber items, e.g. pneumatic tyres for passenger and goods wehicles, consists of at least three wire filaments (2) arranged around a continuous core filament (3). According to the invention, the core filament (3) consists of a non-metallic material capable of contracting longitudinally when a rubber item (5) to be reinforced is vulcanised. Such a material is, in particular, undrawn nylon. When the rubber item (5) to be reinforced is vulcanised, the core filament (3) contracts and its diameter increases.
L'invention concerne un câble métallique pour renforcer des articles en caoutchouc, tels que des pneus pour voitures particulières et camions, qui comprend au moins trois filaments métalliques (2) disposés autour d'un filament central (3) continu. Ce filament central (3) est constitué, selon l'invention, d'un matériau non métallique apte à se contracter en longueur lors de la vulcanisation d'un article en caoutchouc (5) à renforcer. Ce matériau est notamment du nylon non-étiré. Pendant la vulcanisation de l'article en caoutchouc (5) à renforcer, le filament central (3) se contracte et augmente en diamètre.
Doujak Siegfried
Drahtcord Saar Gmbh & Co. Kg
Fetherstonhaugh & Co.
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