发明名称 DRUM ASSEMBLY AND METHOD OF ASSEMBLING THE DRUM ASSEMBLY
摘要 A drum assembly includes a core having a first end and a second end opposite the first end, a first hub coupled to the core adjacent the first end of the core, a second hub coupled to the core adjacent the second end of the core, a first flange releasably coupled to the first hub, the first flange including a body having an inner surface, an outer support structure, and an aperture formed therethrough, and a second flange releasably coupled to the second hub, the second flange including a body having an inner surface, an outer support structure, and an aperture formed therethrough.
申请公布号 WO2012058543(A3) 申请公布日期 2012.08.30
申请号 WO2011US58294 申请日期 2011.10.28
申请人 SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;FULLER, JEFFREY;DOERING, FALK, W.;IVES, SEBASTIEN;PARMENTIER, GUILLAUME;ALBERT, JUDICAEL 发明人 FULLER, JEFFREY;DOERING, FALK, W.;IVES, SEBASTIEN;PARMENTIER, GUILLAUME;ALBERT, JUDICAEL
分类号 B66D1/74;B66D1/28;E21B19/02 主分类号 B66D1/74
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