Source: http://www.google.com/patents/US7721496?dq=7350717
Timestamp: 2014-09-18 08:17:31
Document Index: 526780995

Matched Legal Cases: ['Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60', 'Application No. 60']

Patent US7721496 - Composite decking material and methods associated with the same - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign in<nobr>Advanced Patent Search</nobr>PatentsA construction member includes a composite material offering strength and functionality. Embodiments of the present invention include a thermoplastic composite for use in applications such as decking, exterior siding, seating and furniture. In one embodiment, a structural member includes a glass-reinforced...http://www.google.com/patents/US7721496?utm_source=gb-gplus-sharePatent US7721496 - Composite decking material and methods associated with the sameAdvanced Patent SearchPublication numberUS7721496 B2Publication typeGrantApplication numberUS 11/777,930Publication dateMay 25, 2010Filing dateJul 13, 2007Priority dateAug 2, 2004Fee statusPaidAlso published asUS20070289234Publication number11777930, 777930, US 7721496 B2, US 7721496B2, US-B2-7721496, US7721496 B2, US7721496B2InventorsBarry Carlson, Jason UnderhillOriginal AssigneeTac Technologies, LlcExport CitationBiBTeX, EndNote, RefManPatent Citations (196), Non-Patent Citations (14), Referenced by (4), Classifications (19), Legal Events (2) External Links: USPTO, USPTO Assignment, EspacenetComposite decking material and methods associated with the sameUS 7721496 B2Abstract A construction member includes a composite material offering strength and functionality. Embodiments of the present invention include a thermoplastic composite for use in applications such as decking, exterior siding, seating and furniture. In one embodiment, a structural member includes a glass-reinforced PVC core surrounded by a thermoplastic layer that further includes a thermoplastic with elastomer thermofoamed layer as a exterior layer. All three components can be extruded and bond together to form a composite material that offers appropriate structural strength with resistance to heating from sunlight.
CROSS REFERENCE TO RELATED APPLICATIONS The present application is a continuation-in-part application of U.S. patent application Ser. No. 11/675,587 filed Feb. 15, 2007, which is a continuation-in-part application of U.S. patent application Ser. No. 11/194,973 filed Aug. 2, 2005, now U.S. Pat. No. 7,213,379, which claimed the benefit of U.S. Provisional Application No. 60/598,014 filed on Aug. 2, 2004, U.S. Provisional Application No. 60/644,451 filed on Jan. 14, 2005, and U.S. Provisional Application No. 60/686,870 filed on Jun. 1, 2005; in addition, U.S. patent application Ser. No. 11/675,587 filed Feb. 15, 2007 claimed the benefit of U.S. Provisional Application No. 60/774,105 filed on Feb. 15, 2006, U.S. Provisional Application No. 60/791,301 filed on Apr. 12, 2006, and U.S. Provisional Application No. 60/822,048 filed on Aug. 10, 2006; in addition, the current application also claims the benefit of U.S. Provisional Application No. 60/807,294 filed on Jul. 13, 2006, and U.S. Provisional Application No. 60/822,048 filed on Aug. 10, 2006. The entire disclosures of the above-referenced patent applications are incorporated herein by reference in their entirety.
FIELD OF THE INVENTION The present invention is directed to a construction material, and more particularly, to a material for use in decking or to form other surfaces, as well as methods of manufacturing and using the material.
BACKGROUND OF THE INVENTION Various materials have previously been used to form decking surfaces, including natural materials such as wood, as well as synthetic materials, such as plastic. Although wood is often used, in many weather climates it requires maintenance that owners find burdensome and/or expensive. This has resulted in the increased use of other materials to avoid such up-keep, including plastic decking.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side elevation view of an end of a plank in accordance with an embodiment of the present invention;
DETAILED DESCRIPTION OF THE INVENTION A synthetic construction/decking material is provided, such as a thermoplastic composite building material with increased strength and functionality. In at least one embodiment of the invention, the material comprises a structural core with a exterior layer or wearing surface having suitable properties for a walking surface. Other applications of the present invention include use of the composite profile for handrails, seating surfaces, and furniture surfaces, etc.
The surfacing material 18 preferably provides a comfortable walking surface with resistance to heating from sunlight. By way of example and not limitation, the surfacing material 18 is a thermofoamed thermoplastic with an elastomer. The foaming is provided by foaming agents, or otherwise by microspheres that include a polymer shell encapsulating glass. Thus, as those skilled in the art will appreciate, a variety of foaming agents exist, and such foaming agents may be used to form the surfacing material 18 or thermofoamed layer. The foamed layer may include, but is not limited to, a thermoplastic with expand cells, and thermoplastic elastomers also known as �TPEs.�
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