发明名称 Wall insert for ventilation installation
摘要 The insert has at least one through chamber (11-13) and several identical segments (10), orthogonal to the chamber axis. Along the latter the segments are interconnectable in a centring manner. Pref. the chamber consists of a main chamber and a secondary one (12',13'), connected to the main one vertically to main chamber axis. The main chamber is typically rectangular in cross-section, while the secondary one has at least one arcuated chamber wall (16,17). Alternatively the insert may have a round cross-section.
申请公布号 DE19510275(A1) 申请公布日期 1996.10.02
申请号 DE19951010275 申请日期 1995.03.21
申请人 NOREMAT GMBH NOSSEN, 01683 NOSSEN, DE 发明人 GEIGER, LOTHAR, DIPL.-ING. DR., 01129 DRESDEN, DE;WEBER, FRANK, DIPL.-ING. DR., 09648 KRIEBETHAL, DE;WORTMANN, WILFRIED, DIPL.-ING., 01307 DRESDEN, DE;KREIS, HANS-GERALD, DIPL.-WIRTSCH.-ING., 76307 KARLSBAD, DE
分类号 F24F7/013;(IPC1-7):E04C1/39 主分类号 F24F7/013
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