Refractory ventilation duct and method of making and installing such ventilation duct
The present invention relates to a ventilation duct for fire resistant ventilation duct wall perforations, the ventilation duct comprising one or more metal sheets forming the duct, where the metal sheet duct is covered on an outer side with an insulating material, the duct comprising an elongate re...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The present invention relates to a ventilation duct for fire resistant ventilation duct wall perforations, the ventilation duct comprising one or more metal sheets forming the duct, where the metal sheet duct is covered on an outer side with an insulating material, the duct comprising an elongate reinforcing member on the outer side of the duct and attached to the metal sheets, wherein each reinforcing member comprises a metal profile and at least one non-combustible rod of an inorganic material, and wherein the metal profile is secured to the metal sheet of the pipe and retains the non-combustible rod by at least partially surrounding the rod.
本发明涉及一种用于耐火通风管道壁穿孔的通风管道,所述通风管道包括形成所述管道的一块或多块金属片材,其中所述金属片材管道在外侧上覆盖有隔热材料,所述管道包括位于管道的外侧上并附接到所述金属片材的细长加强构件,其中每个加强构件包括金属型材和至少一个无机材料的不可燃的杆,其中金属型材固定到管道的金属片材并通过至少部分地环绕所述杆来保持所述不可燃的杆。 |
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