Septic tanks

Claim 2

In a sewage disposal system having a fiberglass septic tank disposed in the upper portion of a leaching pool and a concrete dome forming a side wall and top for said tank, a baffle disposed along one side of the inner surface of the concrete wall for receiving influent from an inlet pipe leading from a source of sewage and for directing said influent down along the wall surface into the tank and means mounted in said wall to secure the baffle in position, said means comprising a tapered plastic insert fitted in a tapered hole in a recess in the dome wall and a capscrew for holding the insert in place.

Claim 3

AN SEWAGE DISPOSAL SYSTEM COMPRISING A LEACHING POOL HAVING A WALL WITH EFFLUENT SLOTS, A FRUSTO-CONICAL DOME ATOP SAID WALL AND FORMING THE TOP AND SIDES OF A CONCAVO-CONVEX BOWL-SHAPED SEPTIC TANK DISPOSED BELOW THE LEVEL OF THE TOP OF THE LEACHING POOL WALL AND HAVING A PERIPHERAL FLANGE DISPOSED BETWEEN AND HELD BY THE LEACHING POOL WALL TOP AND THE DOME FOR SUPPORTING SAID SEPTIC TANK IN THE UPPER PART OF THE LEACHING POOL WITH ITS SIDE WALL CURVED INWARDLY FROM THE POOL SPACE SAID SEPTIC TANK EXTENDING ONLY PART WAY DOWN INTO THE LEACHING POOL AND BEING PROVIDED WITH AN INSPECTION OPENING IN ITS BOTTOM FOR GIVING ACCESS TO THE INTERIOR OF THE LEACHING POOL AND A DISHED COVERED DISPLACEABLY FITTING INTO SAID OPENING AND HAVING A FLANGE LARGER THAN THE OPENING RESTING ON A GASKET SECURED AROUND THE OPENING, SAID INSPECTION OPENING BEING

Claim 4

AN SEWAGE DISPOSAL SYSTEM COMPRISING A LEACHING POOL HAVING A WALL WITH EFFLUENT SLOTS, A FRUSTO-CONICAL DOME ATOP SAID WALL AND FORMING THE TOP AND SIDES OF A CONCAVO-CONVEX BOWL-SHAPED SEPTIC TANK DISPOSED BELOW THE LEVEL OF THE TOP OF THE LEACHING POOL WALL AND HAVING A PERIPHERAL FLANGE DISPOSED BETWEEN AND HELD BY THE LEACHING POOL WALL TOP AND THE DOME FOR SUPPORTING SAID SEPTIC TANK IN THE UPPER PART OF THE LEACHING POOL WITH ITS SIDE WALL CURVED INWARDLY FROM THE POOL SPACE SAID SEPTIC TANK EXTENDING ONLY PART WAY DOWN INTO THE LEACHING POOL AND BEING PROVIDED WITH AN INSPECTION OPENING IN ITS BOTTOM FOR GIVING ACCESS TO THE INTERIOR OF THE LEACHING POOL AND A DISHED COVERED DISPLACEABLY FITTING INTO SAID OPENING AND HAVING A FLANGE LARGER THAN THE OPENING RESTING ON A GASKET SECURED AROUND THE OPENING, SAID INSPECTION OPENING BEING

Claim 5

A sewage disposal system according to claim 1, wherein the plastic insert in provided with longitudinal radial ribs to prevent undesired rotation.

Claim 6

A sewage disposal system according to claim 3, wherein the baffled inlet is shaped to direct influent nonturbulently along the inner surface of the dome and then in an arcuate path of travel in said tank toward an outlet receiving sewage from the tank and directing it into the leaching pool.

Claim 7

A sewage disposal system according to claim 4, wherein the baffled inlet is L-shaped and arranged parallel to the surface of the dome where it is attached thereto and there being a spaced between the foot of the L and the dome to permit access to the space between the leg of the L and the adjacent dome surface.

Claim 8

A sewage disposal system according to claim 3, wherein a rubber-like hinge is mounted on the tank bottom overlapping the flange on one side.

Claim 9

A sewage disposal system according to claim 3, wherein a polyethylene hinge is mounted on the tank bottom overlapping the flange on one side, said gasket being composed of neoprene cemented to the tank bottom around the opening therein.

Claim 10

A sewage disposal system according to claim 3, wherein the tubular outlet is inclined and has a pair of parallel channels separated by a rib element but connecting at their inner ends, one such channel having an entrance opening for sewage near the tank wall and the other channel having an exit to the leaching pool, sewage received in the first named channel moving upwardly and over the connecting part down the other channel and thence out through the septic tank wall, and means for securing the tubular outlet to the septic tank wall.

Claim 11

A sewage disposal system according to claim 8, wherein the connecting part of the channels is open at one side to the dome interior above normal liquid level and closed at the other side by a removable plug.