Patent ID: 9517536
Filing Date: 2016-12-13
CPC Classification: B23P,B29C,B32B,Y10T

Claim Text:
1. A device for repairing a damaged and removed zone at the periphery of a first cavity that has a first diameter and is defined in an intermediate layer interposed between at least two layers that have a second cavity with a second diameter smaller than said first diameter, said second cavity being coaxial with said first cavity, said device comprising: a stop means having a surface defining an abutment for an interface between said first cavity and said second cavity in one of said layers, at least one ring having a deformable corrugated shape, an initial inside diameter, and an initial outside diameter smaller than said second diameter, and wherein said at least one ring is configured and arranged to be positioned in said first cavity, a deformation means having a central cavity and an elastically variable outside diameter initially smaller than said initial inside diameter of said ring, and a tool designed to be introduced into said central cavity and to increase the outside diameter of said deformation means in order to deform said ring in said first cavity by increasing its initial outside diameter so as to reduce the difference between said first and second diameters, wherein said stop means comprises: