A CONNECTOR PIECE AND A METHOD OF MANUFACTURING A CONNECTOR PIECE FOR VENTILATION DUCTS RESISTING HIGH TEMPERATURES

A CONNECTOR PIECE AND A METHOD OF MANUFACTURING A CONNECTOR PIECE FOR VENTILATION DUCTS RESISTING HIGH TEMPERATURES

Ventilation duct connector piece for connection with ventilation ducts or connector pieces, formed by two complementing parts (10a, 10) providing a flow space (4) and having at least two open ends (12), each part (10a, 10b) comprising a fibre layer (2) and an inner layer (3), whereinthe fibre layer...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WALLIN, Peter, BERNHARDSSON, Göran, WALLIN, Andreas
Format: Patent
Sprache:eng ; fre ; ger
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
HEATING
JOINTS OR FITTINGS FOR PIPES
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:Ventilation duct connector piece for connection with ventilation ducts or connector pieces, formed by two complementing parts (10a, 10) providing a flow space (4) and having at least two open ends (12), each part (10a, 10b) comprising a fibre layer (2) and an inner layer (3), whereinthe fibre layer (2) comprises mineral fibres and a binder, compressed into a desired shape, the fibres having a melting point over 800 degrees Celsius,the inner layer (3) is a stainless-steel foil having a thickness of 0.01-0.3 mm, facing the flow space (4).A method of manufacturing the connector piece wherein the steel foil is pressed into two complementing parts, joined along its edges; a binder solution is sprayed on a fibre layer and compressed into two complementing parts under heated conditions, so water evaporates, whereafter two fibre parts are positioned on the two steel foil parts.