Patent ID: 11933102
Assignee: INTELLIGENT ENERGY LIMITED
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 9:
10. A multi-pane window assembly comprising:
a multi-pane window having a plurality of glass panes and a preformed window frame; and
a multi-pane window insert, the multi-pane window insert comprising a first pane formed of polycarbonate resin thermoplastic material, a second pane formed of polycarbonate resin thermoplastic material that is separated from the first pane by a spacer, wherein a planar surface of each the first pane and the second pane are oriented substantially parallel to one another,
the window insert further comprising a spacer frame retaining and providing structural support for the first pane and the second pane and defining the spacer, wherein the first pane is oriented on a first side of the spacer frame and the second pane is oriented on a second side of the spacer frame, wherein the spacer frame is formed of a polycarbonate resin thermoplastic, and wherein the spacer frame defines the perimeter of the window insert, and a gasket comprised of a flexible material and formed only on the exterior perimeter surfaces of the spacer frame without contacting the planar surfaces of the first pane or the second pane and without abutting the planar surfaces of the first pane and the second pane, the gasket having a flexible convex protrusion about the exterior perimeter surfaces of the spacer frame and,
wherein the multi-pane window insert is configured to be installed on an interior surface of the preformed window frame.