Profile steel

Details Profile steel Profile steel

1976-11-08

1977-09-27

Bell, J. Karl

Static structures (e.g., buildings)

Machine or implement

52731, E04C 330

Patent

active

040502120

ABSTRACT:
A profile steel of an about U-shaped cross section, which has a profile bottom with webs and flanges slightly inclined toward each other and extending in the direction toward the open profile side. This profile steel, which is particularly well suited as profile steel segment when preparing reinforcing frames in connection with the building of mine shafts and tunnels, has a profile bottom which at its longitudinal sides has steps directed to the open side of the profile. These steps merge with the above mentioned webs which in their turn at the ends remote from the steps end in flanges pointing toward each other.

REFERENCES:
patent: 2573345 (1951-10-01), Leedy
patent: 2577671 (1951-12-01), Barrett
patent: 3055399 (1962-09-01), Bush et al.
patent: 3606418 (1971-09-01), Baker et al.
patent: 3815311 (1974-06-01), Nisula
patent: 3974619 (1976-08-01), Turner

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