The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 31, 2009
Filed:
Oct. 31, 2003
Manuel Nogueira, La Ferte Saint Aubin, FR;
Patrick Dupont, Saint de Braye, FR;
Etienne Bruet, Fleury les Aubrais, FR;
Manuel Nogueira, La Ferte Saint Aubin, FR;
Patrick Dupont, Saint de Braye, FR;
Etienne Bruet, Fleury les Aubrais, FR;
ESPA, Fleury les Aubray, FR;
Abstract
The present invention relates to ventilation tubing comprising, from the inside to the outside, a bush (), an insulating layer () and a cover sheet (). 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/m. The bush () and/or the cover sheet () may be a plastic sheet exhibiting a weave of interlacing filaments. In particular the present invention applies to aircraft ventilation circuit tubings.