• Materials Science
  • Published 2008

Intelligent plugging device in tube

  title={Intelligent plugging device in tube},
  author={丁庆新 and 张仕民 and 樊文斌 and 赵宏林},
The invention provides an intraductal intelligent plugging device, which comprises a main drive cylinder, a pressure head, an actuator disk, an extrusion bowl, at least two locking slide blocks, a ring spacer and a signal transceiver device, wherein, the main drive cylinder is provided with a cylinder body, a piston and a piston rod connected with the piston; the pressure head is connected with the end of the piston rod far away from piston; the actuator disk is connected with the cylinder body… CONTINUE READING