发明名称 RIPPING AND SCRAPING CUTTER TOOL ASSEMBLIES, SYSTEMS, AND METHODS FOR A TUNNEL BORING MACHINE
摘要 Embodiments of the invention generally relate to tunnel boring machine cutter assemblies, such as ripping and scraping cutter or tool assemblies, (collectively "cutter assemblies"), and related methods of use and manufacturing. The various embodiments of the cutter assemblies described herein may be used in tunnel boring machines ("TBMs"), earth pressure balance machines ("EPBs"), raise drilling systems, large diameter blind drilling systems, and other types of mechanical drilling and excavation systems.
申请公布号 WO2016018941(A1) 申请公布日期 2016.02.04
申请号 WO2015US42528 申请日期 2015.07.28
申请人 US SYNTHETIC CORPORATION 发明人 COX, EDWIN SEAN;BURTON, REGAN LELAND
分类号 E21B10/46;E21D9/087;E21D9/10;E21D9/11 主分类号 E21B10/46
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