Montage a jupe auto-serrante pour l'obturation de, ou le raccord sur, une collerette annulaire

摘要: A piece mounted in a fixed, detachable, and sealed manner, on rigid, annular collar of second having an end opening, include peripheral wall inner face that can come into contact with the outer collar. The first includes transversal enter opening; forming skirt, skirt including part larger diameter, smaller diameter intermediate conjugated parts by clamping. form one component are made material high degree flexibility enabling piece, manual external action, to be brought state wherein it is sufficiently enlarged slipped over or removed from while remaining field elastic deformation.