US 12,496,783 B2 · Method for assembling a first metal part with a second part made of an organic matrix composite material

Abstract

The invention relates to a method for assembling a first metal part with a second part made of an organic matrix composite material, the first part having a first connecting portion and the second part having a second connecting portion, the method comprising the steps of: causing the first connecting portion and the second connecting portion to overlap, a through-hole of the second connecting portion opening onto the first connecting portion, forming a protective layer on the side wall of the through-hole, forming a seal between the protective layer and the first connecting portion, and forming, by additive manufacturing using cold gas spray deposition of metal powder, a fastening element which extends into the through-hole, is fastened to the first connecting portion and encloses the second connecting portion.

Claims7

Dependent claims

A method for assembling a first metal part with a second part made of an organic matrix composite material, the first part having a first connecting portion and the second part having a second connecting portion, the method comprising:

overlapping the first connecting portion and the second connecting portion, such that a through-hole of the second connecting portion opens onto the first connecting portion, wherein the through-hole has a side wall,
forming a protective layer at least on the side wall of the through-hole,
forming a seal between the protective layer and the first connecting portion, and
forming, by additive manufacturing using cold gas spray deposition of metal powder, a fastening element which extends into the through-hole, fastened to the first connecting portion and enclosing the second connecting portion.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

17/999,332Filed 10 May 2021

Priority

FR 200527120 May 2020

Published

US 2023/0202121 A129 Jun 2023

Granted

16 Dec 2025

Term ends

Not estimatedThe source records don’t support an estimate.

Classification31 codes

B29C 66/5221
Joining tubular articles: for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
B29C 66/54
Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several…:…
B22F 5/008
Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product: of engine cylinder parts or of…
B22F 7/08
Of composite workpieces or articles from parts, e.g. to form tipped tools: with one or more parts not made from powder

Method for assembling a first metal part with a second part made of an organic matrix composite material

Life of this patent

Method for assembling a first metal part with a second part made of an organic matrix composite material

Life of this patent

Abstract

Claims7