Static structures (e.g. – buildings) – Opaque stonelike module – Lateral retaining feature on facing sheet
Patent
1990-02-07
1993-11-16
Safavi, Michael
Static structures (e.g., buildings)
Opaque stonelike module
Lateral retaining feature on facing sheet
522202, 52266, 52271, 52284, 52588, E04C 238, E04B 272
Patent
active
052612058
ABSTRACT:
Methods and apparatus are disclosed for fabricating plastic block panels suitable for use as building and construction materials. According to the invention, the panels are fabricated using a plurality of novel plastic blocks. Each block, according to the preferred embodiment of the invention, is rectangularly shaped, has broad opposite parallel surfaces (faces) and has four edges which form a closed border around the block. Two adjacent edges of each block have two laterally spaced, longitudinally extending formations thereon, each formation comprising a longitudinally extending tongue. The other two adjacent edges of each block have four laterally spaced, longitudinally extending formations thereon. Two of these formations are longitudinally extending lips, and the other two formations are longitudinally extending tongues located between said lips such that the two spaces formed between each adjacent lip and tongue are adapted to receive the two tongues on the mating edge of another block to thereby align and facilitate interconnecting the blocks. According to the preferred embodiment of the invention, the walls of each block are dimensionally equal in thickness to facilitate mass production of the block by injection molding techniques.
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Crozier John H.
Safavi Michael
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