DOOR FRAME STRUCTURE AND ITS ASSEMBLING METHOD

PROBLEM TO BE SOLVED: To provide a door frame structure in which a stepping block can be installed later, and its assembling method. SOLUTION: The door frame structure 1 comprises a lower member 8 wherein the stepping block 18 is fitted to the upper surface of the lower rail 4 which is set to a lowe...

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Hauptverfasser: TAKEUCHI YUKO, NAKAMURA MITSUHIRO, OGOSHI YOSHIJI, SHINOHARA YOJI, NAKAMURA TADASHI, SHIMIZU MASAHIRO, NAKANO TAKAO, TANAKA KIMIYASU, KUROHIJI TAKESHI, KOEDA FUMITAKE, MATSUOKA KAZUKI, SUENAGA NOBUYUKI, KANEDA JUN, UCHIBORI KYOKO
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a door frame structure in which a stepping block can be installed later, and its assembling method. SOLUTION: The door frame structure 1 comprises a lower member 8 wherein the stepping block 18 is fitted to the upper surface of the lower rail 4 which is set to a lower part between both vertical frame members 3 of a door frame 2 and the lower rail 4 is equipped with a recessed groove body 11, and an upper member 9 fitted to the lower member 8. The lower member 8 is fixed to a slab 6, and the recessed groove body 11 is filled with a fireproof material 12. COPYRIGHT: (C)2005,JPO&NCIPI