Light weight vault lid

Details Light weight vault lid Light weight vault lid

1994-07-12

1995-06-13

Neuder, William P.

Road structure, process, or apparatus

Pavement

Vault cover-closure

49463, 525862, 525921, E01F 500

Patent

active

054236274

ABSTRACT:
The lid is made up of a beam assembly and a rim assembly assembled around the beam assembly. The rib assembly is made up of a plurality of channel shaped beams assembled flange to flange. The beams are structurally interlocked to help distribute concentrated loads on the lid surface. Extendable/retractable handles are provided. The top of the lid is coated with slip resistant material. The beams are pultrusions.

REFERENCES:
patent: 3611655 (1971-10-01), Loebner
patent: 4367142 (1983-01-01), Blecher
patent: 4651494 (1987-03-01), Van Wagoner
patent: 5117596 (1992-06-01), Leslie et al.

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