Patent ID: 8713875

Claim:
A blast-resistant glass block panel comprising: a plurality of glass blocks arranged in a panel, wherein each glass block comprises a front face, a rear face, and four side walls, wherein said side walls possess a concave profile, further wherein said side walls include a protrusion that runs around the perimeter of said glass block parallel to said front face and said rear face, wherein a notch is located at the center of each side wall, each block forming a space with an adjacent block in said panel; a rigid spacer placed in each said respective space, wherein said rigid spacers possess a convex shape that substantially corresponds the concave profile of said glass block, further wherein said spacers include a notch at the center of said spacer; a perimeter channel disposed around a perimeter of the panel, wherein the perimeter channel has front and rear legs that extend over portions of the front and rear faces, respectively, of each said glass block defining the perimeter of the panel; a two-piece channel disposed around said perimeter channel, wherein said two-piece channel includes a primary channel member which is adapted to be attached to a frame, and a secondary channel member which is attachable to the primary channel member, wherein the two-piece channel has front and rear legs that extend over and past the front and rear legs of the perimeter channel on said glass blocks on the perimeter of said panel; and sealant placed between each of said plurality of glass block and said rigid spacers.