An apparatus and method is described for providing a water impenetrable barrier between a cone and support frame of a manhole system. The apparatus includes a barrier, cap, and seal that restricts the inflow and infiltration of water or other debris into the interior of the manhole system. The cap a
An apparatus and method is described for providing a water impenetrable barrier between a cone and support frame of a manhole system. The apparatus includes a barrier, cap, and seal that restricts the inflow and infiltration of water or other debris into the interior of the manhole system. The cap and seal barrier may be implemented in a sanitary sewer, catch basin or other manhole system.
대표청구항▼
1. An apparatus for restricting inflow and infiltration into an interior of a manhole, comprising: an inflow and infiltration barrier adaptable for positioning between a manhole cover support frame and a manhole cone, said barrier having an annular rim portion and a sleeve portion extending approxim
1. An apparatus for restricting inflow and infiltration into an interior of a manhole, comprising: an inflow and infiltration barrier adaptable for positioning between a manhole cover support frame and a manhole cone, said barrier having an annular rim portion and a sleeve portion extending approximately vertically from the rim portion;a gasket adaptable to engage both a top surface of said sleeve portion and an outwardly facing, external side of said sleeve portion and having an opening extending through a central portion of said gasket; anda cover adaptable to engage a sloped top portion of said gasket. 2. The apparatus as recited in claim 1, wherein said cover is further adaptable to engage an inner annular ledge of said gasket. 3. The apparatus as recited in claim 1, wherein said inflow and infiltration barrier includes a flange extending downwardly from an outer edge of said annular rim. 4. The apparatus as recited in claim 1, wherein said gasket includes a downwardly projecting annular flange that engages the outwardly facing external side of said sleeve portion of said inflow and infiltration barrier. 5. The apparatus as recited in claim 1, wherein said sloped top portion of said gasket has a first approximately uniform thickness on an outer circumference edge and a second approximately uniform thickness on an inner circumference edge, wherein said first thickness differs from said second thickness. 6. The apparatus as recited in claim 2, wherein said annular ledge of said gasket further includes annular sealing ridges extending from said annular ledge. 7. The apparatus as recited in claim 1, wherein said gasket includes support members to maintain said cover above said gasket when a force is applied to an upper portion of said cover. 8. The apparatus as recited in claim 7, wherein said support member extends through a portion of said opening of said gasket from a first concentric inner annular side to a second concentric inner annular side. 9. The apparatus as recited in claim 1, wherein said gasket is constructed from a relatively pliable material and said inflow and infiltration barrier is constructed of a relatively rigid material. 10. A device for restricting water penetration through an upper portion of an inflow and infiltration barrier comprising: a cylindrical inflow and infiltration gasket having, a concentric opening extending through a central portion of said gasket and having a sloped top portion that forms an annular tapered body portion, wherein said gasket being adaptable to engage both an upper edge and external side surface of an inflow and infiltration barrier, and further wherein said sloped top portion is adaptable to receive a cover thereon to thereby create a water tight barrier restricting water from penetrating into an interior of the inflow and infiltration barrier. 11. The apparatus as recited in claim 10, wherein said gasket includes support members to maintain the cover above said gasket when a force is applied to an upper portion of the cover. 12. The apparatus as recited in claim 11, wherein said support member extends through a portion of the concentric opening. 13. The apparatus as recited in claim 10, wherein said gasket is constructed from a relatively pliable material and the inflow and infiltration barrier is constructed of a relatively rigid material. 14. The apparatus as recited in claim 10, wherein said gasket further includes a concentric annular ledge adaptable to engage a lower portion of the cover. 15. The apparatus as recited in claim 10, wherein said gasket includes a downwardly projecting annular flange that engages an outer side of the inflow and infiltration barrier. 16. The apparatus as recited in claim 10, wherein said sloped top portion of said gasket has a first approximately uniform thickness on an outer circumference edge and a second approximately uniform thickness on an inner circumference edge, wherein said first thickness differs from said second thickness. 17. The apparatus as recited in claim 14, wherein said annular ledge of said gasket further includes annular sealing ridges extending from said annular ledge. 18. An apparatus for restricting inflow and infiltration into a manhole system, comprising: a manhole cone defining a base of the manhole system;a manhole cover support frame positioned above said manhole cone;a manhole cover;support frame adjustment rings positioned between said manhole cone and said manhole cover support frame;an inflow and infiltration barrier positioned between said manhole cone and said manhole cover support frame, said inflow and infiltration barrier having an annular rim portion and a sleeve portion extending approximately vertically from the rim portion wherein said support frame adjustment rings are positioned above the annular rim and exterior to the sleeve portion of the inflow and infiltration barrier;an inflow and infiltration gasket; andan inflow and infiltration cover. 19. The apparatus of claim 18, wherein said gasket includes a concentric access opening extending through a central portion of said gasket and a sloped top portion, wherein said gasket being adaptable to engage both an upper edge and external side surface of said inflow and infiltration barrier, and further wherein said sloped top portion is adaptable to receive said cover thereon to thereby create a water tight barrier restricting water from penetrating into an interior of said inflow and infiltration barrier and said manhole cone. 20. The apparatus as recited in claim 19, wherein said gasket includes support members to maintain said inflow and infiltration cover above said gasket when a force is applied to an upper portion of said inflow and infiltration cover.
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