E - Fixed Constructions – 01 – B
Patent
E - Fixed Constructions
01
B
E01B 3/44 (2006.01) B29D 99/00 (2010.01) C08J 5/00 (2006.01) E01B 9/00 (2006.01)
Patent
CA 2408804
A method for the manufacture of a railroad crosstie (90) from recycled rubber is disclosed. The rubber crosstie (90) has an expected life of between 30 to 60 years and can be made primarily of rubber crumbs obtained from stockpiles of discarded rubber tires. A feature of the invention is to produce a crosstie (90) having at least one longitudinal side incorporating a plurality of indentations for more effective engagement upon installation into a gravel bed to avoid slippage.
La présente invention concerne un procédé de fabrication d'une traverse de chemin de fer (90) à partir de caoutchouc recyclé. Cette traverse de chemin de fer en caoutchouc (90), dont la durée de vie attendue se situe entre 30 et 60 ans, peut se fabriques essentiellement à partir de miettes de caoutchouc provenant de décharges de pneus en caoutchouc usagés. L'invention concerne également la production d'une traverse (90) dont l'un au moins des côtés longitudinaux présente une pluralité d'indentations permettant à la traverse de mieux faire corps avec le ballast pour éviter de glisser.
Hansen Rubber Products Inc.
Mcfadden Fincham
LandOfFree
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