Corrosion-Resistant Self-Locking Manhole Cover

A corrosion-resistant self-locking manhole cover includes a cover plate adapted to rest on a manhole cover support surface of a manhole frame so as to be substantially flush with a top portion of the frame and a surrounding surface. An anchor on the cover plate, which may comprise nonmetallic corros...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NOLLE ERIC R, SULLIVAN JEFFREY R
Format:	Patent
Sprache:	eng
Schlagworte:	EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HYDRAULIC ENGINEERING SOIL SHIFTING UNDERGROUND OR UNDERWATER STRUCTURES
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