MEMBER OF SUN PROTECTION GUARD FROM POLYMETHYL METHACRYLATE AND SUN PROTECTION POWER SAVING BARRIER Russian patent published in 2007 - IPC E06B9/24 

FIELD: construction, applicable in construction of windows of various building and structures with an adjustable temperature condition, in transport vehicles.

SUBSTANCE: the profile element of the sun protection guard from polymethyl methacrylate made by the method of extrusion pressing-out has two vertical, upper and lower faces, coating. At is made with a cross-section in the form of a rhomb with a thickness making up 4 to 30 mm, whose lower and upper facer form with the respective vertical face an angle making up 30 to 45 deg. The lower or the lower and upper faces are coated with layers for reflection of sun radiation, or the lower face is coated with a layer reflecting the sun radiation, and the upper face is coated with a layer reflecting the infra-red radiation.

EFFECT: enhanced efficiency of sun protection of the fenestration.

3 cl, 1 tbl, 3 dwg