Patent ID: 6989184
Filing Date: 2006-01-24
Classification: B65D,Y10T

Abstract:
1. An extruded, rigid polymeric void-board for placement between adjacent horizontal layers of bricks to maintain an opening in a lower of the layers, the void-board comprising: a relatively thin, rigid planar element having first and second surfaces having a plurality of parallel ribs extending from and generally transverse to the first side, the ribs having a curved, semi-cylindrical profile and having a predetermined height to width ratio and having a height that is less than a thickness of the planar element, the ribs being formed parallel to one another, the void board being formed from a polyolefin blend with a fibrous or particulate filler material, the void board including weakened regions formed in the planar element, in a single direction, generally parallel to the ribs and formed between selected ones of the ribs so as to provide a plurality of frangible regions for separating the board.