Parallelepiped hollow construction block for assembling walls of building, has male part located at bottom part of tube, and upper female part formed at top part of tube and encased with male part of tube of superimposed block
摘要
<p>The block (1) has a standard type vertical tube (2) positioned in one of halves of the block, where upper part of the tube extends from an upper face of the block. A male part is located at a bottom part (11) of the tube. An upper female part is formed at a top part (13) of the tube and encased with the male part of the tube. An upper female part has a flat joint that is provided with lips to guarantee sealing of a passage of fluid. The tube is made of PVC.</p>
