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:
Nov. 16, 2021
Filed:
Dec. 02, 2016
Hutchinson, Paris, FR;
Fabrice Chopard, Saint Martin d'heres, FR;
Yann Favier, Dommartin, FR;
Cédric Huillet, Montargis, FR;
Hmad Bourass, Amilly, FR;
Yannick Thenault, Avrille, FR;
Christophe Dominiak, Varennes Changy, FR;
Hutchinson, Paris, FR;
Abstract
The invention concerns an insulating part comprising a sealed casing defining an inner enclosure (), the part having thermal conductivity of less than 100 mW/m.K, the sealed casing () comprising at least one thin metal sheet () having a thickness of less than 1 mm and welded peripherally to keep the enclosure under low pressure and/or controlled atmosphere, the weld, which is produced in a chamber under low pressure and/or controlled atmosphere, having a leakage rate of less than 10Pa·m/s, after a first thermal treatment according to the standard RTCA-DO 160-G, section 5, Cat A (from −55° C. to 400° C.) and a second thermal treatment at −196° C. for 1 hour.