Covered bridge structure

Bridges – Transportable

Patent

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Details

14 74, E01D 100

Patent

active

049455940

ABSTRACT:
A covered structure comprising a covered bridge and at least one covered entrance to said bridge is described. The covered bridge contains a bridge frame, a deck, a bridge enclosure framework disposed above the deck, means for connecting the bridge frame to the deck and the bridge enclosure framework, and a glass enclosure attached to the bridge enclosure framework. The bridge enclosure framework contains a multiplicity of vertical columns and a multiplicity of roof trusses.
The vertical columns and roof trusses contain at least about 45 weight percent of inorganic fiber and, in addition, a resin and/or plastic material.

REFERENCES:
patent: 3995080 (1976-11-01), Cogburn et al.
patent: 4795666 (1989-01-01), Okada et al.
The Bridges of Pittsburgh, White et al, 1928, Cramer Printing & Publishing Company.
A Record of History and Evolution of Early American Bridges, Edwards, 1959, University Press Bridges, Weale, 1839, London.

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