Triangular cross section support frame, especially for tunnel construction, has welded design with three parallel rods linked by two zigzag wire profiles and cross braces
DE10257993A1
Stair lift has double booms of triangular lattice girder forming running rail of lift, the plastic made rollers of which are guided on the bars through cut-in slots and move the lift by friction
DE10131818C1
Bore injection anchor for tunnel construction has anchor sleeve pressed to provide oval cross-section with rotation of its symmetry planes through 90 degrees from section to section
DE10101461C1
Three-belt lattice support frame for tunnel construction and stiffening element
DE10022923A1
Tunnel arch extension frame for mining and tunnel construction
DE10020572A1
Lattice girder expansion frame for mining and tunneling
DE10020006C1
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
SI9800036A
Supporting assembly of drawer type and rigid element for supporting frame of drawer type support
ATA181397A
Grid extender frames and elements for a grid extender for tracking and tunnel construction
DE19732285A1
Structural profile for tunnel and mining gallery structure
DE19711627A1
Lattice girder removal frame and stiffening elements for a lattice girder removal frame
DE19616444A1
Lattice girders for track and tunnel construction as well as stiffening elements for the manufacture of a lattice girder
DE4441461A1
Stiffening element for braced girder of subterranean passage, esp. tunnel constructions
DE4111639A1
System of grids for extinguishing fires at oil and gas wells - distributes extinguishing fluid from tubular grid under high pressure and is not damaged by heat
