FIREPROOF STRUCTURE FOR GUIDE RAIL FOR WINDOW SHUTTER

PROBLEM TO BE SOLVED: To provide a window shutter with improved fireproof performance of a guide rail structure.SOLUTION: In a guide space G formed between a first side 30 on a side closer to an outer wall and a second side 31 of a guide rail 3, a reinforcement plate formed of a material having a me...

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Hauptverfasser: HATAKEYAMA YUICHI, TAKAHASHI ISAO, KOBAYASHI YUZO, SHIBAZAKI MASAHIRO, ANDO HIROSHI, IZAWA HIDEMI
Format: Patent
Sprache:eng ; jpn
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