TW268066B - Connecting element for interconnecting a plurality of parallel bars of a lattice girder for securing walls of an underground construction
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Connecting element for interconnecting a plurality of parallel bars of a lattice girder for securing walls of an underground construction
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Application filed by Tunnel Ausbau Technik GmbhfiledCriticalTunnel Ausbau Technik Gmbh
Priority to TW82111176ApriorityCriticalpatent/TW268066B/en
Application grantedgrantedCritical
Publication of TW268066BpublicationCriticalpatent/TW268066B/en
The invention is a three-dimensional polygon formed from a steel rod having a minimum yield stress of 520 N/mm2, a smooth surface, bending radii smaller than twice the diameter of the rod, and in which the rod has been cold-formed by rolling, stretching or by draw forming prior to bending.
TW82111176A1993-12-301993-12-30Connecting element for interconnecting a plurality of parallel bars of a lattice girder for securing walls of an underground construction
TW268066B
(en)