Precast concrete slab and method of making same
AssigneePao-Sou Lin
InventorMing-Chien Wu
Life of this patent
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Abstract
Disclosed is an improved precast concrete slab comprising a slab body formed of a composite of expandable sintered stones, glass fibers, and foam concrete; at least a layer of non-metallic material having pores for filling in the slab body is provided in the middle portion of the slab body; the concrete slab may be molded singly or cut from a pre-molded concrete block formed of the above-mentioned composite materials and having arranged therein a multiplicity of layers of non-metallic material.
Claims8
An improved precast concrete slab, comprising a slab body and a non-metallic material accommodated within the middle portion of said slab body, said slab body being formed of a composite of a multiplicity of expandable sintered stones, a multiplicity of non-metallic fiber filaments, and foam concrete, at least a layer of said non-metallic material being provided in the middle portion of said slab body, said non-metallic material having a multiplicity of pores filled with the composite materials of said slab body.
A method of making an improved precast concrete slab, comprising arranging a multiplicity of layers of non-metallic material at substantially equal distance from each other in a mold, said non-metallic material having a multiplicity of pores;
- pouring a fluid composite of expandable sintered stones, foam concrete, and glass fiber filaments into said mold so that said fluid composite fill up said mold and said pores of said non-metallic material;
- allowing said composite to harden;
- and, cutting the hardened molded composite into slabs.
Dependencies are inferred from the claim text.