Post-Tensioned Modular Inflated Structures 231 welts overlapping touch fastener strips adjacent cushions ("hooks"side) binded to the cushions external cover touch fastener strips (loops"side)】 binded to bottom side of the welts Fig.13.Connections of soft cushions-touch fasteners flexible bar or wire strand Fig.14.Connections of soft cushions-"zipper" hinge eye hinge bar Fig.15.Hinge connections of semi-rigid cushions concepts can be used together,when high value internal forces are induced in the shell.In that case,the "zipper"transmits the forces,while touch fasteners are tightening the cover. Connection of semi-rigid cushions can be formed as a two-piece hinge, completed during assembling,Fig.15.Post-Tensioned Modular Inflated Structures 231 Fig. 14. Connections of soft cushions – “zipper” Fig. 15. Hinge connections of semi-rigid cushions concepts can be used together, when high value internal forces are induced in the shell. In that case, the “zipper” transmits the forces, while touch fasteners are tightening the cover. Connection of semi-rigid cushions can be formed as a two-piece hinge, completed during assembling, Fig. 15. Connections of soft cushions – touch fasteners