FIRE DOOR

PROBLEM TO BE SOLVED: To provide a fire door in which a fire-fighting performance is improved in the case where a concealed door closer is mounted.SOLUTION: A fire door comprises a door body 1 in which a door closer C can be mounted, a gutter 3 which is disposed at a lower side of a mounting positio...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OMORI YUKIO, TSURUMI SUSUMU, SEIKE AKIHIRO, OKADA TSUYOSHI, MINO ICHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES LADDERS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a fire door in which a fire-fighting performance is improved in the case where a concealed door closer is mounted.SOLUTION: A fire door comprises a door body 1 in which a door closer C can be mounted, a gutter 3 which is disposed at a lower side of a mounting position of the door closer C and collects a hydraulic oil leaked from the door closer C, and a tray 4 which is disposed at a lower side of the gutter 3 and stores the hydraulic oil collected by the gutter 3. Since the hydraulic oil leaked from the door closer C is collected by the gutter 3 and stored in the tray 4, the hydraulic oil is not dripped on a lower side of the fire door D, thereby preventing fire spread. Even if the hydraulic oil stored in the tray 4 catches fire, the gutter 3 becomes a cover of the tray, such that no flame comes out of an upper side of the fire door D.