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公开(公告)号:US4064793A
公开(公告)日:1977-12-27
申请号:US734337
申请日:1976-10-20
申请人: Ira Michael Bennett
发明人: Ira Michael Bennett
IPC分类号: E04F17/02
CPC分类号: E04F17/02
摘要: A double walled smoke stack is made up of stackable sections. The top part of each section has a member extending between inner and outer shells and is either downwardly prestressed towards the inner shell or is flexible. This allows the inner shell to upwardly expand.
摘要翻译: 双层烟囱由可堆叠的部分组成。 每个部分的顶部具有在内壳和外壳之间延伸的构件,并且朝向内壳向下预应力或柔性。 这允许内壳向上膨胀。