Patent ID: 8479469
Filing Date: 2013-07-09
Classification: E04B

Abstract:
1. A collapsible shuttering block for building walls by assembling the block with other identical or similar blocks, the block comprising: two longitudinal and parallel vertical walls of rigid molded plastic each having an inwardly bent surrounding return; said return including a continuous rigid upper part, a continuous rigid lower part and two continuous rigid ends with vertical edges; one of said upper and lower parts and said vertical edge of one of said ends each having a respective V-shaped section or U-shaped section rebate with an outwardly-facing opening; hinges interconnecting said walls and having hinge elements and vertical pins articulating said hinge elements to one another and to said walls to give the block various configurations; said hinge elements being movable between: said rebates configured to fit over said return of another block having already been laid, upon bringing the block into said work configuration, to provide a connection with the other block, whether the other block is juxtaposed with the block in the same course or in a course below; and plates configured to respectively close off a bottom and at least one end of the block, said plates each including: