A diverter cover assembly includes a first arrangement of sliding plates positioned above a central bore of a diverter and movable in substantially opposite directions to open and close over the central bore.
申请公布号
WO2013191949(A2)
申请公布日期
2013.12.27
申请号
WO2013US44970
申请日期
2013.06.10
申请人
HYDRIL USA MANUFACTURING LLC
发明人
WELLS, LAURA, CHRISTINE;CHILDERS, LEONARD, G.;LARSON, ERIC, DALE;BLUE, ROBERT, ALLEN;MELENDEZ, LUIS