发明名称 Recycled rubber railroad crossties
摘要 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.
申请公布号 US2003205626(A1) 申请公布日期 2003.11.06
申请号 US20020275665 申请日期 2002.11.07
申请人 HANSEN STEVE 发明人 HANSEN STEVE
分类号 B29B17/00;B29C47/00;B29D99/00;C08J3/20;C08J11/06;C08L17/00;C08L19/00;C08L21/00;E01B3/44;(IPC1-7):E01B3/00 主分类号 B29B17/00
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