E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
20/128
E04B 1/08 (2006.01) E04B 1/18 (2006.01) E04B 1/19 (2006.01)
Patent
CA 1036314
ABSTRACT OF THE DISCLOSURE The present invention provides a spatial framework assembly comprising a plurality of hollow section bars forming the chords or booms and struts of the framework and hollow nodal or junction elements to which the section bars are screw connected the hollow spaces of the section bars and of the nodal elements being at least partially connected with one another and hermeti- cally closed to the external atmosphere and for every resulting hollow space there is available at least an input and output line for a liquid or gaseous medium.
229234
Bittighofer Hans
Schwarzbach Kurt
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