Panel with a fretted transversal section, to be mounted longitud

Details Panel with a fretted transversal section, to be mounted longitud Panel with a fretted transversal section, to be mounted longitud

1990-05-02

1991-09-10

Corbin, David H.

Hydraulic and earth engineering

Underground passageway, e.g., tunnel

Lining

405124, E21D 1100

Patent

active

050468936

ABSTRACT:
This invention concerns paneling for the internal walls of road tunnels, preferably provided with a fretted transversal section and characterized by the remarkable simplicity with which it can be mounted and maintained, and able to guarantee the diffusion of the right amount of light inside the tunnels themselves, as well as efficiently containing any water which may seep from the walls of such tunnels.

REFERENCES:
patent: 3438211 (1969-04-01), Zywietz et al.
patent: 3638434 (1972-02-01), Delaere
patent: 4459064 (1984-07-01), Berset
patent: 4465404 (1984-08-01), Heintzmann

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