Flow string possessing water controlling valve and longitudinal rib

Flow string possessing water controlling valve and longitudinal rib

  • CN 101,265,797 B
  • Filed: 04/30/2008
  • Issued: 03/25/2015
  • Est. Priority Date: 04/30/2008
  • Status: Active Grant
First Claim
Patent Images

1. there is a flow string for water-control valve and vertical muscle, comprise outer pillar, filter sand net, internal protective cover, base tube, it is characterized in that, described base tube is provided with water-control valve, the cylinder inner wall of internal protective cover is provided with vertical muscle;

  • Described water-control valve, comprises spray nozzle device, end cap, on the tube wall being arranged on base tube center line both sides of its symmetry;

    Spray nozzle device, comprises base, nozzle and pressure cap;

    End cap, comprises base, plug and pressure cap.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×