Manhole cover cap
OwnerSteven F Shumlansky, David H. Abbottinventors
Life of this patent
Estimating the term…
Abstract
A manhole cover cap, for an access cover of an opening into an underground utility structure, can be used to raise the level of an access, or manhole, cover, and to prevent water inflow. The cover cap includes upper and lower opposed surfaces and an outer edge having dimensions substantially conforming to dimensions of the opening, adapted for attachment to the access cover, and comprises a rubber material.
Claims22
A cap for an access cover for an opening into an underground utility structure, the cap comprising upper and lower opposed surfaces and an outer edge having dimensions substantially conforming to dimensions of the opening, adapted for attachment to the access cover, and comprising a rubber material.
A cap according to claim 12, wherein the cap is attached to the access cover by at least one bolt.
A method for raising the level of an access cover of an underground structure by a predetermined amount, said method comprising:
- fitting to the access cover a cap comprising upper and lower opposed surfaces and an outer edge having dimensions substantially conforming to dimensions of the opening, adapted for attachment to the access cover, having a thickness generally corresponding to the predetermined amount, and comprising a rubber material;
- and
- attaching the cap to the access cover;
- whereby the level of the access cover is raised.
A method for repaving a roadway having at least one access cover for an opening into an underground utility structure set therein with a layer of pavement having a predetermined thickness, said method comprising:
- fitting to the access cover a cap comprising upper and lower opposed surfaces and an outer edge having dimensions substantially conforming to dimensions of the opening, adapted for attachment to the access cover, having a thickness generally corresponding to the predetermined thickness and comprising a rubber material;
- attaching the cap to the access cover to form a cover cap combination;
- and
- applying the layer of pavement to the roadway such that an upper surface of the cover cap combination is substantially flush with the upper surface of the layer of pavement.
Dependencies are inferred from the claim text.