| 摘要 |
PROBLEM TO BE SOLVED: To solve the problems of the insufficiency of sealing performance at the corner part, the requirement of a large number of parts for the spacer, and a lot of man-hour for the production of the spacer, and the expensive cost of the fireproof glass including the hydrated gel, in the spacer used for the fireproof glass including the hydrated gel, and having joints at the corner parts. SOLUTION: This fireproof glass including the hydrated gel is characterized in that the spacer is formed by one spacer having a U-shaped cross section, and bent at the corner parts to form R-shapes. The spacer bent at the corner parts and having the U-shaped cross section is arranged so that the open part of the U-shape may be directed to the periphery parts of the glass.
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