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    • 7. 发明专利
    • An improved method and means of assembling and supporting an irrigation system structure in cooling towers and tower-like structures
    • GB574287A
    • 1945-12-31
    • GB144544
    • 1944-01-26
    • THOMAS RICHARD EVANS
    • F28F25/08
    • 574,287. Cooling-towers. EVANS, T. R. Jan. 26, 1944, No. 1445. [Class 64 (i)] The transverse laths forming part of the irrigation structure in cooling towers and the like are mounted on and supported by a cellular orhoneycomb assembly composed of triskelion units each comprising three arms a radiating from a centre. The laths rest in notches a formed in the upper surfaces of two of the arms, which are horizontal. The outer ends of the arms are formed with upwardly extending pillars a to support the triskelion unit in the layer above. The outer ends of the arms are angular as shown, so that, when the units are assembled together, a space shaped as a three-pointed star is left between the adjacent ends, and is filled with grouting or other means of interconnection. Successive layers of units are held together by split rings which fit in annular seatings composed of arcuate slots a formed in the top and bottom surfaces of the pillars a . The bottom layer of units is supported by cylindrical pillars, which are connected together by arms in triskelion units, and have annular grooves in their top surfaces to receive split rings connecting them to the units above. According to the Provisional Specification the centre of the structure may be supported by a column having a triskelion cantilever formation at its upper end.