Precast concrete slab and method of making same

Details Precast concrete slab and method of making same Precast concrete slab and method of making same

1991-09-06

1993-01-12

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

264 42, 4283124, 428703, B32B 326, B32B 1300

Patent

active

051789418

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.

REFERENCES:
patent: 4617219 (1986-10-01), Schupack
patent: 4868039 (1989-09-01), Lehan

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