Title:
BUILDING MATERIAL
Document Type and Number:
Japanese Patent JP2023166305
Kind Code:
A
Abstract:
To shorten manufacturing time, reduce manufacturing cost, and reduce weight.SOLUTION: A building material comprises a pair of curved materials 11a, 11b joined at an arch-shaped top T. Each of the curved materials 11a, 11b comprises: a curved belt-like body 21a; a belt-like body 21b disposed on the outer periphery of the belt-like body 21a in a curved state along the belt-like body 21a; a belt-like body 21c disposed on the outer periphery of the belt-like body 21b in a separated state from the belt-like body 21b and in a curved state along the belt-like body 21b; a belt-like body 21d disposed on the outer periphery of the belt-like body 21c in a curved state along the belt-like body 21c; and a plurality of spacers 31 disposed between the belt-like body 21b and the belt-like body 21c with an interval along a longitudinal direction of the curved materials 11a, 11b. The curved state of the belt-like bodies 21a to 21d is maintained by fixing opposing portions facing the spacers 31 to the spacer 31 through a fixing member.SELECTED DRAWING: Figure 1
Inventors:
TAKAYANAGI HIROSHI
Application Number:
JP2022085604A
Publication Date:
November 21, 2023
Filing Date:
May 09, 2022
Export Citation:
Assignee:
HOKUSEI SHOJI KK
International Classes:
A01G9/14; E04C3/42; B27M3/00
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