초록 ▼

A thermal insulation arrangement for a door or a window comprises a transparent sheet drawn down from a spring-loaded roller at the top of the frame. The sides and preferably the base of the sheet are sealed by brush seals in channel-sectioned members. The sheet may be creased in a pattern to reduce

A thermal insulation arrangement for a door or a window comprises a transparent sheet drawn down from a spring-loaded roller at the top of the frame. The sides and preferably the base of the sheet are sealed by brush seals in channel-sectioned members. The sheet may be creased in a pattern to reduce rippling and billowing.

대표청구항 ▼

A thermal insulation arrangement for a window or door in a frame, the arrangement comprising a spring-loaded roller mounted across the top of the frame, a flexible sheet wound on the roller of such a shape and size as to fill the frame when drawn down from the roller, a stiffening bar along the free

A thermal insulation arrangement for a window or door in a frame, the arrangement comprising a spring-loaded roller mounted across the top of the frame, a flexible sheet wound on the roller of such a shape and size as to fill the frame when drawn down from the roller, a stiffening bar along the free end of the sheet, channel members mounted down the sides of the frame, and flexible plastic brush seals mounted in the channel members, wherein said stiffening bar is respectively extended into said channel members between the brush seals, the brush seals respectively slidably engaging both faces of the sheet at the side edges thereof for air sealing between the respective brush seals and the respective faces of the sheet at the side edges thereof and for allowing passage of the stiffening bar between the respective brush seals.