To eliminate the need of caulking treatment in maintenance, extension construction, or the like, and maintain high waterproofness.
A hood box is divided into and constituted of: an attachment frame 30 attached to the outer side of an opening part of a sidewall part of a building structure for aggregated piping/wiring; an upper plate 60 attached such that a rear end part thereof overlaps with an upper edge of the attachment frame 30; both side plates 40A and 40B attached such that the rear end thereof overlaps with both side edges of the attachment frame; a front plate 70 attached to front parts of the upper plate 60 and both side plates 40A and 40B; and a bottom plate 50 attached to both side plates. Further, the upper plate 60 is divided into and constituted of a plurality of upper plate constituting plates 61 and 62 overlapping in a longitudinal direction. Of the plurality of upper plate constituting plates 61 and 62, without detaching the upper plate constituting plate 61 at the deepest position overlapping with the upper edge of the attachment frame 30, the other upper plate constituting plate 62 can be detached.
TAKEMOTO MUNEMICHI
SAKURAI HIROSHI
FUNABASHI JUN
BUREST KOGYO KENKYUSHO CO LTD
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