HDPE hollow wall plastic-steel winding pipeline

HDPE hollow wall plastic-steel winding pipeline

  • CN 204,201,303 U
  • Filed: 07/31/2014
  • Issued: 03/11/2015
  • Est. Priority Date: 07/31/2014
  • Status: Active Grant
First Claim
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1. HDPE hollow wall plastic-steel winding pipeline, is characterized in that, comprising:

  • The body of end wall outer surface concave-convex surface structure;

    Be located at the inside of described body end wall and the first annular chamber be oppositely arranged with the projection of the concave/convex-shaped structure of the end wall outer surface of described body;

    AndTo be located in described first annular chamber and be resisted against the concave/convex-shaped structure of the end wall outer surface of described body projection, in order to improve the Steel Skeleton of the ring stiffness of described body, described Steel Skeleton comprise the projection of the concave/convex-shaped structure of the end wall outer surface supporting described body clamping part and from the outward-dipping extension in the both sides of described clamping part, in order to support the supporting portion of this clamping part.

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