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公开(公告)号:US07509980B2
公开(公告)日:2009-03-31
申请号:US10697566
申请日:2003-10-31
申请人: Manuel Nogueira , Patrick Dupont , Etienne Bruet
发明人: Manuel Nogueira , Patrick Dupont , Etienne Bruet
IPC分类号: F16L9/14
CPC分类号: F24F13/0263 , B64D13/00 , F16L59/153 , F24F13/0281 , Y10T428/1372
摘要: 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.
摘要翻译: 本发明涉及一种通气管,其包括从内到外的衬套(1),绝缘层(2)和覆盖片(3)。 所述通气管的特征在于绝缘层是比表面积重量在65-140g / m2之间的石英纤维棉。 衬套(1)和/或覆盖片(3)可以是呈现交织丝的织造的塑料片。 特别地,本发明适用于飞机通风回路管道。