Ectrudable cement core thermoplastic composite
AssigneeCrane Plastics Company Limited Partnership
InventorJohn C. Wolff
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Abstract
A panel for use in siding is disclosed. The panel has a cement core in a shape defining the panel of the siding, and a plastic film layer attached to the cement core. The plastic film layer is either a polymer or a copolymer of vinyl chloride. The panel may also have an adhesive layer which adheres the plastic film layer to the cement core. The cement core may contain fiber reinforcement.
Claims9
A panel for use in siding which comprises:
- a cement core in a shape defining the panel of the siding;
- and
- a plastic film layer attached to the cement core, wherein the plastic film layer is selected from the group consisting of polymers and copolymers of vinyl chloride.
A method of making a panel for use in siding which comprises coextruding a cement core and a plastic film layer to form a panel, wherein the plastic film layer is selected from the group consisting of polymers and copolymers of vinyl chloride.
A method of making a panel for use in siding which comprises laminating a plastic film layer to a cement core to form a panel, wherein the plastic film layer is selected from the group consisting of polymers and copolymers of vinyl chloride.
Dependencies are inferred from the claim text.