| CPC B65D 81/09 (2013.01) [B65D 65/466 (2013.01); B65D 85/46 (2013.01); B65D 2581/056 (2013.01); B65D 2585/30 (2013.01)] | 23 Claims |
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1. A separator bead for separating layers of manufactured concrete products, wherein said separator bead is characterized in that:
(a) said separator bead is fabricated from a bead material;
(b) said separator bead is configured with an oval or oval-like two-dimensional cross section defined by a bead thickness and a bead width, wherein said bead thickness is selected from about 2 mm to about 5 mm, and wherein said bead width is selected from about 2 mm to about 10 mm;
(c) said separator bead is configured with a bead depth that is perpendicular to each of said bead thickness and said bead width, wherein said bead depth is selected from about 2 mm to about 10 mm;
(d) said separator bead is configured with a bead thickness-to-width aspect ratio selected from about 0.2 to about 0.9;
(e) said separator bead is configured with two or more nodules, each with a nodule diameter selected from about 0.1 mm to about 1 mm; and
(f) said separator bead is characterized by a thickness compression from about 5% to about 50%, under a load of 60 lb at a temperature of 120° F. for 5 minutes.
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