| 摘要 |
<p>The element (3) has a hole (15) formed at the thickness of a wall at the level of bottom to set in communication with two adjacent construction elements during assembling, where the element is made of blown or blown-pressed material. A mold includes an inner wall defining a determined volume, where the element is annealed after demolding and presents a complementary hollow cavity (20) of an excrescence (10). The blown or blown-pressed material is glass, plastic material or composite material. An independent claim is also included for an assembly comprising communication units for communication between hollow construction components.</p> |
