Parallel girder, in particular, for mine and tunnel supports

Details Parallel girder, in particular, for mine and tunnel supports Parallel girder, in particular, for mine and tunnel supports

E - Fixed Constructions

21

D

E21D 17/10 (2006.01) E21D 11/00 (2006.01) E21D 11/10 (2006.01)

Patent

CA 2473260

The invention pertains to a parallel girder with two parallel chord members and anchoring slides on its ends, wherein the anchoring slides respectively contain an anchoring plate and pipe sections arranged on both sides thereof, in this case, the anchoring plates contain openings for accommodating rock bolts, and the pipe sections can be pushed on the chord members and fixed thereon in the aligned position of the slide.

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