Door panel construction

Details Door panel construction Door panel construction

E - Fixed Constructions

04

C

108/24

E04C 2/36 (2006.01) E06B 3/70 (2006.01)

Patent

CA 1236728

Abstract Of The Disclosure A hollow door panel construction includes a rectangular frame of predetermined thickness assembled from side and end members defining an elongated enclosure. Within the enclosure are corrugated paperboard strips, having a width equal to the predetermined thickness. The strips are variously formed and attached to define a plurality of horizontal cell rows, vertically stacked to fill the framed volume. Each cell row spans the internal width of the frame, and includes a centrally positioned short-walled brace cell straddled on either side by a long-walled lateral cell. To complete the panel construction, thin sheets abut and are secured to the opposite faces of the frame and to the outer edges of the strips.

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