Method of building chimneys
专利汇可以提供Method of building chimneys专利检索，专利查询，专利分析的服务。并且Method of building chimneys or the like characterized by the steps of using one of the upstanding cylinders of the chimney or the like as an elevator shaft, fixing a rack rail vertically on the inner wall of the lowermost unit cylinder fixed on the foundation the cylinder, providing an elevator cage movable up and down along the rack rail engaging with the rack rail and being supplied by electric power, providing an entrance for the elevator cage on the cylinder wall, providing rack rails continuous with said rack rail in the cylinders extended above said fixed cylinder at the same time piling or raising the chimney, providing entrances on said cylinders extended at each of required heights, operating the elevator cage along the rack rail in said extended cylinders, proceeding with construction of the chimney while using the elevator cage for raising and lowering of workers, and proceeding with the work by piling and raising the chimney incorporating the above process in the construction of chimneys or the like.，下面是Method of building chimneys专利的具体信息内容。
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