Structural grid support frame for mining and tunneling industry has reinforcing elements between parallel rods provided by individual struts extending along side edges of pyramid

摘要

The structural grid support frame has 3 or 4 parallel rods (2) arranged in a triangular or rectangular configuration and coupled together via reinforcing elements, each provided by 4 individual struts (3) positioned along the side edges of a pyramid, welded to the parallel rods at their ends, with perpendicular struts (4) between the parallel rods in the same plane. An Independent claim for a reinforcing element for a structural grid support frame is also included.