发明名称 METHOD, SYSTEM AND DEVICES FOR RAILROAD TRACK RECONDITIONING AND REPAIR
摘要 A method, system and devices for reconditioning, repair and replacement of railroad track components including direct fixation fasteners includes the use of temporary direct fixation fasteners which serve as temporary rail support and fastening and as guides for installation of permanent anchor inserts for installation and anchoring of new permanent direct fixation fasteners. The method of use of the temporary direct fixation fasteners enables operational use of the railroad line at various stages throughout reconditioning, repair and replacement processes.
申请公布号 US2011168796(A1) 申请公布日期 2011.07.14
申请号 US20100686016 申请日期 2010.01.12
申请人 LAURELLO LARRY;LAURELLO PAUL;LAURELLO MICHAEL;RYEL RICK 发明人 LAURELLO LARRY;LAURELLO PAUL;LAURELLO MICHAEL;RYEL RICK
分类号 E01B29/24;B23P6/00;E01B9/38 主分类号 E01B29/24
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