Methods and apparatuses for curing concrete
AssigneeTranshield, Inc.
InventorsSeckin Ozol, Gregory L. Todt, Na Qi
Life of this patent
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Abstract
An apparatus for curing concrete includes a multiple layer polyolefin film and an absorbent layer. The polyolefin film layer can include pH modifying components and antiskid components. The absorbent layer can also include pH modifying components. The absorbent layer can include nonwoven fabric. The apparatus can be applied to curing concrete after hydration water is applied to the curing concrete. The apparatus can also be used to enclose poured concrete members during transport of the members so as to continue the curing process during transport. The film can also be used as a barrier layer between the ground and poured concrete.
Claims18
An apparatus for curing concrete, including:
- a film having a first outer layer and a second outer layer, the second outer layer including a polar copolymer of polyethylene, a first inner layer adjacent the first outer layer and a second inner layer adjacent the second outer layer, the second inner layer including high density polyethylene, and a third inner layer adjacent the first inner layer and a fourth inner layer adjacent the second inner layer and the third inner layer, the third and fourth inner layers including an ethylene polypropylene copolymer;
- an absorbent layer including a nonwoven fabric;
- an adhesive material adhering the second outer layer of the film to the absorbent layer;
- and
- wherein the water vapor transmission rate of the second outer layer of the film is greater than the water vapor transmission rate of the second inner layer of the film, the second inner layer forming a barrier that hinders migration of water from the second outer layer to the fourth inner layer.
An apparatus for curing concrete, including:
- a film having a first layer including an antiskid component, a second layer adjacent the first layer, the second layer including high density polyethylene, and a third layer adjacent the second layer, the third layer including a polar polyethylene copolymer;
- an absorbent layer including a nonwoven fabric having a plurality of raised areas and a plurality of recessed areas;
- an adhesive material adhering the third layer of the film to the raised areas of the nonwoven fabric;
- and
- wherein the water vapor transmission rate of the third layer of the film is greater than the water vapor transmission rate of the second layer of the film, the second layer forming a barrier that hinders migration of water from the third layer to the first layer.
Dependencies are inferred from the claim text.