US Patent 11346152 Curtain assembly and installation methods thereof

A curtain assembly includes a curtain lamina made of a multifunctional multilayer composite sheet material, a top retaining member disposed on top of the curtain lamina and configured to receive the curtain lamina and to suspend the curtain lamina onto a curtain rail, and a counterweight portion disposed at a bottom of the curtain lamina and configured to receive the curtain lamina and stabilize the curtain lamina. The top retaining member includes a first holding piece, a second holding piece, a top fastener, and a top fixing device. The counterweight portion includes a first vertical weight piece, a second vertical weight piece, a bottom fastener, and a bottom fixing device.