摘要 |
<p>An apparatus and method for handling pipe, the apparatus comprising a body (2, 6, 7) having a tapered surface (11, 13, 14) and at least a first slip (15, 17) and a second slip (16, 18) slidable on the tapered surface (11, 13, 14), the apparatus further comprising a slip actuator (40, 41) for setting said at least first slip (15, 17) and said second slip (16, 18) characterised in that said first slip (15, 17) and said second slip (16, 18) have interengaging elements (37a, 38a) therebetween such that upon actuation of said slip actuator (40, 41), said first slip (15, 17) is set and said second slip (16, 18) is set by the interengaging elements (37a, 38a) transferring the setting force from the slip actuator (40, 41) through said first slip (15, 17) to said second slip (16, 18).</p> |
申请人 |
VARCO I/P, INC.;LUCAS, BRIAN, RONALD;SONNEVELD, LEON;KRIJNEN, ANTON;DE PONT, BOB;SCHATS, MIKE;DE LAAT, KEES;VAN RIJZINGEN, HANS |
发明人 |
SONNEVELD, LEON;KRIJNEN, ANTON;DE PONT, BOB;SCHATS, MIKE;DE LAAT, KEES;VAN RIJZINGEN, HANS |