Synthetic crosstie and manufacturing method for the same

Synthetic crosstie and manufacturing method for the same

  • CN 101,046,076 B
  • Filed: 07/28/2006
  • Issued: 09/18/2013
  • Est. Priority Date: 03/30/2006
  • Status: Active Grant
First Claim
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1. synthesis wooden sleeper is characterized in that comprising:

  • Be synthetic resin material and to be disposed at this urethane resin be a plurality of glass fiber in the synthetic resin material and the synthesis wooden sleeper body that forms by the foaming and molding urethane resin;

    Be located at the flame-retardant layer on the surface of this synthesis wooden sleeper body;

    AndSurface in the above-mentioned synthesis wooden sleeper body that contacts with this flame-retardant layer is provided with grinding layer,This flame-retardant layer is coated on the surface of this synthesis wooden sleeper body that is provided with grinding layer, and be that the urethane resin of packing material is that coating is constituted by being added with inorganic, described urethane resin is that coating is that synthetic resin material material is identical with the described urethane resin that constitutes described synthesis wooden sleeper body.

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