THERMOSET POLYMER UTILITY VAULT LID

A fiber reinforced polymer material lid or cover for a utility vault made from an unsaturated polyester thermosetting resin matrix, glass fiber reinforcement, an inorganic filler and an ultraviolet inhibitor. The lid or cover has a flat textured upper surface having a plurality of bosses having diff...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BURKE, EDWARD J, GWILLIM, ROBERT, BEACH, BRIAN ANTHONY, ATKINS, THOMAS
Format: Patent
Sprache:eng ; fre
Schlagworte:
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