Tunnel interior construction

Details Tunnel interior construction Tunnel interior construction

1993-07-29

1996-09-17

Raimund, Christopher

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 99, 428245, 428246, 405132, 4051501, 405151, B29D 2200

Patent

active

055566766

ABSTRACT:
An element for lining the interior surface of a tunnel, which comprises a composite panel in which a fibrous layer is laminated over a hard substrate, and a fluoropolymer surface layer is laminated over said fibrous glass layer.

REFERENCES:
patent: 4379654 (1983-04-01), Rovelli
patent: 4671979 (1987-06-01), Adiletta
patent: 4784902 (1988-11-01), Crompton
patent: 4793162 (1988-12-01), Emmons

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