公开(公告)号：US20200283161A1

公开(公告)日：2020-09-10

申请号：US15781010

申请日：2016-12-02

Applicant: Hutchinson

Inventor： Fabrice Chopard ,  Yann Favier ,  Cedric Huillet ,  Hmad Bourass ,  Yannick Thenault ,  Christophe Dominiak

IPC: B64D29/06 ,  B32B15/18 ,  B32B15/20 ,  B32B7/05 ,  B32B7/08 ,  B64C1/40

Abstract: The invention concerns an insulating part comprising a sealed casing defining an inner enclosure (7), the part having thermal conductivity of less than 100 mW/m.K, the sealed casing (3) comprising at least one thin metal sheet (30, 31) 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 10−6 Pa·m3/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.

公开(公告)号：US11174033B2

公开(公告)日：2021-11-16

申请号：US15781010

申请日：2016-12-02

Applicant: Hutchinson

Inventor： Fabrice Chopard ,  Yann Favier ,  Cédric Huillet ,  Hmad Bourass ,  Yannick Thenault ,  Christophe Dominiak

IPC: B64D29/06 ,  B32B7/05 ,  B32B7/08 ,  B32B15/18 ,  B32B15/20 ,  B64C1/40 ,  F16L59/065

Abstract: The invention concerns an insulating part comprising a sealed casing defining an inner enclosure (7), the part having thermal conductivity of less than 100 mW/m.K, the sealed casing (3) comprising at least one thin metal sheet (30, 31) 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 10−6 Pa·m3/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.

公开(公告)号：US20190283860A1

公开(公告)日：2019-09-19

申请号：US15781054

申请日：2016-12-02

Applicant: Hutchinson

Inventor： Fabrice Chopard ,  Mathieu Leborgne ,  Cédric Huillet ,  Thomas Patillaut ,  Hmad Bourass ,  Yann Favier ,  Christophe Dominiak

IPC: B64C7/02 ,  F01D25/08 ,  B32B1/02 ,  B32B3/06 ,  B32B3/04 ,  B32B7/08 ,  B32B7/05 ,  B32B15/01 ,  B32B5/18 ,  B32B5/02 ,  B32B15/04 ,  B32B15/14 ,  B32B37/18 ,  B32B37/06 ,  B23K20/00 ,  B23K20/227 ,  B23K20/233 ,  B23K20/26 ,  B23K15/00 ,  F16L59/02 ,  F16L59/065

Abstract: The invention relates to the thermal creation of a part, including steps of: using at least one first and one second metal plate (30, 31), hollow-forming the first plate so as to form at least part of said inner wall, and hollow-forming the second plate (31) so as to form at least part of said outer wall. During the forming, the shapes of the first and second plates are adjusted such that they can be placed in contact with each other while leaving a space therebetween inside said periphery, and then the first and second plates are placed in a low-pressure and/or controlled-atmosphere chamber (65), where said plates are brought together and peripherally sealed together such that, in said space, a low-pressure and/or controlled-atmosphere enclosure is created.