Lining-frame of latticework construction for galleries, tunnels

Details Lining-frame of latticework construction for galleries, tunnels Lining-frame of latticework construction for galleries, tunnels

1984-10-10

1986-07-01

Ridgill, Jr., James L.

Static structures (e.g., buildings)

Openwork; e.g., truss, trellis, grille, screen, frame, or...

Curvilinear or peaked truss

52653, 52694, E04B 132

Patent

active

045972397

ABSTRACT:
A lining-frame for a gallery or tunnel comprises two planar latticework trussed arches, each comprising an inner belt (3,4) and an outer belt (1,2) interconnected by a zig-zag rod chain (5,6). The arches are fixed parallel to one another by planar connector elements (81a,82a:81b,82b).

REFERENCES:
patent: 555015 (1896-02-01), Mannesmann
patent: 2421197 (1947-05-01), Green
patent: 2465074 (1949-03-01), Edge
patent: 2936051 (1960-05-01), Martin
patent: 4335556 (1982-06-01), Arnold

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