Ventilation tubing in particular for an airconditioning system
AssigneeEspa
InventorsManuel Nogueira, Patrick Dupont, Etienne Bruet
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Abstract
The present invention relates to ventilation tubing comprising, from the inside to the outside, a bush (1), an insulating layer (2) and a cover sheet (3). Said ventilation tubing is characterized in that the insulating layer is a quartz fiber wool of which the specific surface weight illustratively is between 65 and 140 g/m2. The bush (1) and/or the cover sheet (3) may be a plastic sheet exhibiting a weave of interlacing filaments. In particular the present invention applies to aircraft ventilation circuit tubings.
Claims12
Ventilation tubing comprising, as seen from the inside to the outside, a bush, an insulating layer and a cover sheet characterized in that the insulating layer is a quartz-fiber wool.
Dependencies are inferred from the claim text.