Patent ID: 8414728

Claim:
Method for the installation of a collar around a portion of a tube and in contact with a separator between a first space and a second space, the collar having a generally annular shape and an open section over a determined angular sector delimited by two generatrices, on a section excluding the open section, the collar comprising, a predetermined number of superimposition of alternating layers of silicone adhesive and fabrics, and an upper layer of silicone elastomer, on the open section, the collar comprising, the predetermined number of superimposition of fabrics, and the upper layer of silicone elastomer, wherein on the open section, the upper layer of silicone elastomer and the fabrics of said layering having been cut away only alternately along one of the two generatrices and been turned back by folding at the other not-cut generatrice, such that the collar is opened onto the determined angular sector, the method comprising: introducing the collar around the tube at the point where the collar is open, such that the collar enters into contact with the separator; and replacing the alternately cut fabrics one by one onto the determined angular sector and then the upper layer of silicone elastomer, so as to close the collar around said portion of the tube.