Patent ID: 6521154
Filing Date: 2003-02-18
Classification: B29C,B29K,Y10T

Abstract:
A method of producing a non-skid surface on a molded object, said method comprising the steps of:extruding a sheet of thermoplastic material; forming a plurality of spaced-apart indentations into a top surface of said sheet of thermoplastic material by abrading said top surface of said sheet of thermoplastic material; forming a blank of said thermoplastic material from said sheet, said blank having an outer surface having said plurality of indentations formed on said top surface of said sheet; placing said outer surface against a mold surface of a thermoforming apparatus; and thermoforming said blank of thermoplastic material that was placed in said thermoforming apparatus to form said molded object and to open each of said plurality of indentations; said outer surface being an exterior surface of said object having said non-skid surface formed of said opened plurality of indentations.