Road structure – process – or apparatus – Pavement – Vault cover-closure
Patent
1998-02-19
1999-09-14
Lisehora, James A.
Road structure, process, or apparatus
Pavement
Vault cover-closure
52 20, E02D 2914
Patent
active
059512008
ABSTRACT:
A cap formed with a pan that defines a central dish which receives a portion of the securing members that secure the pan to a manhole opening. A cover closes over the central dish to restrict entry of water and dirt contaminants into the central dish. The cover and the central dish thereby define an enclosure for the securing members which connect the cap to the manhole cover.
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Lisehora James A.
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