Air duct and paper therefor

An air duct is disclosed which includes a tubular member formed from a metal sheet. A paper is disposed around an outer periphery of the tubular member for preventing condensation droplets condensed on the tubular member from dripping, and an adhesive is interposed between the tubular member and the...

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Bibliographische Detailangaben
Hauptverfasser:	OHTAKE, ISAO, MURAKAMI, TORU, NAKANO, OSAMU, TAKAGI, AKINOBU
Format:	Patent
Sprache:	eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES RANGES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	An air duct is disclosed which includes a tubular member formed from a metal sheet. A paper is disposed around an outer periphery of the tubular member for preventing condensation droplets condensed on the tubular member from dripping, and an adhesive is interposed between the tubular member and the paper to adhesively secure the tubular member and the paper. Furthermore, a paper for an air duct, adapted to be secured to an outer periphery of the air duct, is disclosed. The paper is produced from a material including a papermaking pulp and is characterized by the following: a wet strength of at least 0.3 kgf/15 mm, a critical value for dripping of water droplets of at least 45 g/m2, and a basis weight of 40 to 5000 g/m2.