Drum type flat silk/ladder type silk for winding spreading roll

Drum type flat silk/ladder type silk for winding spreading roll

  • CN 200,964,457 Y
  • Filed: 10/31/2006
  • Issued: 10/24/2007
  • Est. Priority Date: 10/31/2006
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of wound expanding roll drum type flat filament/ladder type silk, it is characterized in that:

  • this cross section is the horizontal flat cydariform (1) or trapezoidal (2) of top surface band cambered surface.

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