Water conveying steel pipe fishing device in water source well

Water conveying steel pipe fishing device in water source well

  • CN 104,847,291 A
  • Filed: 06/08/2015
  • Published: 08/19/2015
  • Est. Priority Date: 06/08/2015
  • Status: Active Application
First Claim
Patent Images

1. a water conveyance steel tube fisher in water supply well, is characterized in that:

  • comprise one and salvage steel pipe, be provided with when declining at fisher in the bottom of described salvaging steel pipe, to the cutting edge that the crowded thing of card cuts;

    The inwall of described salvaging steel pipe be provided with rise at fisher time, for withstanding the top flat of water conveyance steel tube flange, described top flat is inclined upwardly.

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