发明名称 IMPROVED POWER TONG POSITIONER
摘要 A power tong positioning apparatus having a base section and a backup elevating section engaging the base section. A first Lift assembly is positioned between the base section and the backup elevating section while a tong elevating section engages the backup elevating section. A second lift assembly is then positioned between the backup elevating section and the tong elevating section.
申请公布号 CA2462808(C) 申请公布日期 2008.09.16
申请号 CA20042462808 申请日期 2004.03.31
申请人 BANGERT, DANIEL S.;MUSEMECHE, CLINT MICHAEL 发明人 BANGERT, DANIEL S.;MUSEMECHE, CLINT MICHAEL
分类号 B25B13/50;E21B19/16 主分类号 B25B13/50
代理机构 代理人
主权项
地址