Method for making and erecting a wind tower

  • US 6,470,645 B1
  • Filed: 11/09/2000
  • Issued: 10/29/2002
  • Est. Priority Date: 11/09/2000
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method for making a wind turbine tower comprising:

  • forming a first plurality of rings having a first outer diameter;

    forming a second plurality of rings having a second outer diameter;

    welding together said first plurality of rings forming a bottom section having a first end and a second end;

    welding together said second set of rings forming an upper section having a first upper end and a second upper end;

    welding a T-shaped flange to said first end;

    welding a transition ring having a first edge and a second edge to said second end;

    welding to said first edge of said transition ring a first L-shaped flange;

    welding a conical transition ring having a first conical edge and a second conical edge to said second upper end;

    welding to said first upper end a second L-shaped flange;

    welding to said first conical edge a third L-shaped flange; and

    securing together said first and second L-shaped flanges.

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