Light concrete monolithic slab

• US 4,053,677 A
• Filed: 04/17/1975
• Issued: 10/11/1977
• Est. Priority Date: 04/17/1975
• Status: Expired due to Term

• Current Assignee: Manuel J. Corao
• Original Assignee: Manuel J. Corao
• Inventors: Corao, Manuel J.
• Primary Examiner(s): Van Balen, William J.
• Application Number:
  US05/569,333
• Time in Patent Office: 908 Days
• Field of Search: 428/310, 428/315, 428/313, 428/320, 428/321, 428/322, 52/309
• US Class Current: 442/17
• CPC Class Codes: B32B 13/02 with fibres or particles being present as additives in the layer
• CPC Class Codes: B32B 13/045 of foam
• CPC Class Codes: B32B 2305/38 Meshes, lattices or nets
• CPC Class Codes: B32B 2419/00 Buildings or parts thereof walls, panels B32B2607/00
• CPC Class Codes: B32B 3/28 characterised by a layer comprising a deformed thin sheet , i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled B32B29/08 takes precedence
• CPC Class Codes: B32B 7/12 using interposed adhesives or interposed materials with bonding properties
• CPC Class Codes: C04B 2111/00612 as one or more layers of a layered structure
• CPC Class Codes: E04C 2/049 completely or partially of insulating material, e.g. cellular concrete or foamed plaster
• CPC Class Codes: Y10T 442/128 Including a layer derived from a water-settable material [e.g., cement, gypsum, etc.]

Abstract

A monolithic slab manufactured from light, generally foamy concrete between two layers of reinforced concrete, having smooth, or alternatively corrugated, exterior surfaces, to suit the particular utilization requirements thereof.

Claims

1. A building slab comprising:

a first layer of solid, lightweight, foamed concrete, said first layer having first and second surfaces;

a second layer of regular weight concrete coextensive with said first surface, disposed on said first surface, and having a thickness substantially less than said first layer;

metal reinforcing members embedded in said second layer;

a third layer of regular weight concrete coextensive with said second surface, disposed on said second surface, and having a thickness substantially less than said first layer; and

an adhesive film composed of a mixture of granite, cement, and glass fibers interspersed between said first and second layers and between said first and third layers.

2. The slab of claim 1 wherein glass fibers are interspersed in said third layer.

3. The slab of claim 1 wherein said first layer is concrete mixed with a resin-bathed plastic filler.

4. A building slab of claim 1 wherein said metal reinforcing members are metal bars.

5. A building slab of claim 1 wherein said metal reinforcing members are a wire mesh network.

6. The building slab of claim 1 wherein said metal reinforcing members are metallic members under tension.

7. The building slab of claim 1 wherein said second and third layers are a mixture of silicous and quartz sand, Portland cement in a proportion five-to-two, and water mixed with an emulsified synthetic resin in the proportion of approximately one part resin to twenty parts water.