Lid for utilities enclosure having internal reinforcement matrix and method for making lid

A lid for a utilities vault having a moldable core and a reinforcement matrix positioned within the core, the reinforcement matrix including longitudinally and laterally extending intersecting members and a plurality of lid feature housings positioned on and attached to the intersecting members, the...

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Bibliographische Detailangaben
Hauptverfasser:	Burke, Thomas Edward, Burke, Edward J
Format:	Patent
Sprache:	eng
Schlagworte:	ACCESSORIES THEREFOR ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS CONVEYING EMBANKMENTS EXCAVATIONS FIXED CONSTRUCTIONS FOUNDATIONS HANDCUFFS HANDLING THIN OR FILAMENTARY MATERIAL HYDRAULIC ENGINEERING KEYS LOCKS PACKAGES PACKAGING ELEMENTS PACKING PERFORMING OPERATIONS SAFES SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER SOIL SHIFTING STORING TRANSPORTING UNDERGROUND OR UNDERWATER STRUCTURES WINDOW OR DOOR FITTINGS WORKING CEMENT, CLAY, OR STONE
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Beschreibung
Zusammenfassung:	A lid for a utilities vault having a moldable core and a reinforcement matrix positioned within the core, the reinforcement matrix including longitudinally and laterally extending intersecting members and a plurality of lid feature housings positioned on and attached to the intersecting members, the lid feature housings extending through the core and protruding to the upper and lower surfaces of the lid, and the plurality of longitudinally and laterally extending intersecting members have a height sufficient to provide reinforcement without a perimeter member for the reinforcement matrix.