公开(公告)号：US20180274257A1

公开(公告)日：2018-09-27

申请号：US15763994

申请日：2016-10-03

Applicant: HOLCIM TECHNOLOGY LTD.

Inventor： Svatopluk DOBRUSKY ,  Jean-Nicolas RIVOAL ,  Qing ZHANG ,  Dominique CORVEZ

IPC: E04H12/12 ,  E04H12/34 ,  F03D13/20 ,  E02D27/42

CPC classification number: E04H12/12 ,  E02D27/425 ,  E04C3/20 ,  E04H12/085 ,  E04H12/341 ,  F03D13/20

Abstract: A section of concrete intended to form a mast for a windmill, the section extending along a longitudinal direction and including a first flange and a second flange, wherein the section is composed of several portions distributed along the longitudinal direction, the portions including a first portion with a first extremity and a second extremity opposed to each other in the longitudinal direction, the first portion including the first flange at its first extremity, the second extremity of the first portion is connected by a connecting interface to another portion continuing the first portion, and a second portion with a first extremity and a second extremity opposed to each other in the longitudinal direction, the second portion including the second flange at its second extremity.