초록 ▼

The present invention provides a concrete building panel comprising a slab having top and bottom flanges and side flanges generally defining a box, and a plurality of ribs extending between the top and bottom flanges and being parallel to the side flanges. The panels of the invention can be used to

The present invention provides a concrete building panel comprising a slab having top and bottom flanges and side flanges generally defining a box, and a plurality of ribs extending between the top and bottom flanges and being parallel to the side flanges. The panels of the invention can be used to form the walls, floor or roof of a building.

대표청구항 ▼

[ What is claimed is:] [1.]1. A concrete building panel comprising:a concrete slab having first and second generally planar faces and top and bottom ends;a generally box-like, concrete frame connected to the first face of said slab, said box-like frame having generally the same dimensions as said sl

[ What is claimed is:] [1.]1. A concrete building panel comprising:a concrete slab having first and second generally planar faces and top and bottom ends;a generally box-like, concrete frame connected to the first face of said slab, said box-like frame having generally the same dimensions as said slab face and comprising vertically spaced, generally horizontal top and bottom beams, each beam being connected to a plurality of generally vertical, horizontally spaced ribs extending between said top and bottom beams;and a means for connecting said frame to said slab whereby said frame and slab are maintained in a rigid, spaced apart arrangement thereby providing a continuous air space between said slab and said frame.