| 摘要 |
A section for building used for vertical frame members (1 Fig. 1) and horizontal frame members (1 Fig. 1) for a curtain wall or a window sash. The section comprises a first hollow portion (140) of large width located substantially in a central portion of a body of the section and extending in a longitudinal direction of the body, a second hollow portion (16) of small width provided adjacent to one side (13) of said first hollow portion (140) and extending parallel to said first hollow portion (140) and a mounting portion (15) provided on the other side (12) of said first hollow portion (140) to mount a plurality of other separate members. The first hollow portion (140) is used as a passage through which air flows, while the second hollow portion (16) is used as a passage through which heat transfer medium flows. <IMAGE> |
