Circular conduit opening closure device

Details Circular conduit opening closure device Circular conduit opening closure device

2005-10-18

2005-10-18

Will, Thomas B. (Department: 3671)

Road structure, process, or apparatus

Pavement

Vault cover-closure

C404S004000, C052S019000

Reexamination Certificate

active

06955498

ABSTRACT:
The closure device for a circular conduit opening may be used to inhibit entry of debris and other matter into a conduit. The closure device may have an outer band, an inner band and a cover wherein a perimeter edge of the cover may be fastened between the outer band and the inner band. The outer band may have two separated overlapping ends and the inner band having two separated ends. A clamp may be attached to one of the inner band and the outer band.

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