Wartungsfreie Vorrichtung zur rauch- und brandsicheren Abschottung einer Lüftungsrohrleitung

The bulkhead (18) is in the form of a plate and is held open at normal temperature to open the connection between two sections of a pipe system. At higher temperatures, the bulkhead moves vertically downwards and closes the connection between the two sections of the pipe system. At least one side of...

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Bibliographische Detailangaben
1. Verfasser:	SCHULTE, GUENTER
Format:	Patent
Sprache:	ger
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING ENGINEERING ELEMENTS AND UNITS FIRE-FIGHTING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING HUMAN NECESSITIES JOINTS OR FITTINGS FOR PIPES LIFE-SAVING LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES RANGES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	The bulkhead (18) is in the form of a plate and is held open at normal temperature to open the connection between two sections of a pipe system. At higher temperatures, the bulkhead moves vertically downwards and closes the connection between the two sections of the pipe system. At least one side of the bulkhead is coated with fireproofing (20) which foams under heat. The bulkhead is held in a gap (17) between two curved plates (14,16) and which is sealed all round by a sealing mass or hot-melt adhesive. The bulkhead is positioned at the join between a main (12) and a branch (13) pipe to which at least one fume-extractor hood is attached.