| 摘要 |
1. Special extruded sections adapted for the construction of assembly joints of frameworks and structures mainly composed of tubular elements and made of one or more materials, said sections appearing essentially in the form of two basic sections which can be made in different sizes, namely, on the one hand, a section (1) with a cross-section in the form of a bar equipped with holes (2, 3) adapted (2) for the subsequent fixing and (3) for lightening them and, on the other hand, a section (4) with a cross-section in the form of a base plate provided with at least one projecting portion (5) equipped with at least one hole (6) adapted for be subsequent fixing and with one or more lightening holes (7), the shapes and the dimensions of the cross-section of said sections being independent of the shape and of the dimensions of both the internal and external cross-section of the elements which they are adapted to assemble, said sections being cut to length depending on the dimensions of the sections of the elements of framework and of structure to be assembled and on the stresses to be transmitted by the assembly joint to be constructed, and being able to be used in a universal manner, separately or by a combination of a plurality of sections of different types and/or dimensions, whatever the shape and the dimensions of the elements to be assembled. |
