Patent ID: 8899561

Claim:
A flexible sleeve dimensioned for securement to an associated end member for an associated gas spring assembly, said flexible sleeve comprising: a flexible wall having a longitudinal axis and extending circumferentially about said axis, said flexible wall including an inside surface adapted to at least partially define a spring chamber, an outside surface opposite the inside surface, an end surface disposed adjacent an open end and extending between said inside and outside surfaces; an annular reinforcement member substantially fully embedded within said flexible wall adjacent said open end; and, at least one retainment element disposed along at least one of said inside surface and said outside surface of said flexible wall, said at least one retainment element including a first element surface and a second element surface opposite said first element surface, said at least one retainment element being at least partially embedded within said flexible wall such that said first element surface is in substantially full abutting engagement with said flexible wall and said second element surface is outwardly exposed along one of said inside surface and said outside surface of said flexible wall.