BDF thin wall pipe

BDF thin wall pipe

CN
  • CN 2,515,321 Y
  • Filed: 11/15/2001
  • Issued: 10/09/2002
  • Est. Priority Date: 11/15/2001
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of interior standard BDF thin wall cylinder is characterized in that being made up of the head plate of cylindrical shell and the moulding of ripe concrete material;

  • Described cylindrical shell is to make reinforcing material by glass fiber, makes base-material with special cement, sand, coal ash pulp, adds the round tube of an amount of additive combined shaping under the effect of mould;

    Be connected described head plate in described cylindrical shell two-port, described head plate is for intending the polygon prism shape.

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