Patent ID: 7763345
Filing Date: 2010-07-27
Classification: B29C,B29K,B29L,B32B,E04F,Y10T

Abstract:
1. A thermoplastic laminate plank comprising: a core comprising at least one flexible thermoplastic material, wherein said core has a top surface and a bottom surface, and opposing sides; a print layer optionally with an underlay affixed to said top surface of said core, wherein said print layer has a top surface and a bottom surface, wherein said print layer comprising a printed design; and a protective layer affixed to said top surface of said print layer, wherein said thermoplastic laminate plank is not susceptible to damage caused by moisture, wherein said core has a thickness of from about 3 mm to about 20 mm, a width of from about 2 cm to about 30 cm, and a length of from about 30 cm to about 130 cm, said thermoplastic laminate plank has a surface tension of 34 dyne-cm or higher, and wherein said core has a tongue design on at least one edge and a groove design on at least an opposite edge, wherein said at least one thermoplastic material is flexible polyvinyl chloride, wherein said thermoplastic material has a molecular weight as reflected by an inherent viscosity of from about 0.88 to about 1.0 inherent viscosity.