E - Fixed Constructions – 04 – C
Patent
E - Fixed Constructions
04
C
E04C 2/26 (2006.01) B28B 1/52 (2006.01) E04C 2/04 (2006.01) E04C 2/06 (2006.01)
Patent
CA 2050978
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.
Wu Ming-Chien
Fetherstonhaugh & Co.
Lin Pao-Sou
LandOfFree
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