Drainage seal for sewage system

Details Drainage seal for sewage system Drainage seal for sewage system

1983-06-16

1984-10-16

Smith, Robert I.

Brushing, scrubbing, and general cleaning

Implements

Pipe, tube, or conduit cleaner

1510405, 15257R, B08B 902

Patent

active

044766033

ABSTRACT:
To facilitate cleanout of a sewer a guide member is located with a manhole to guide a cleanout tool into the sewer. The sewer is downwardly inclined adjacent the manhole so that the inlet enters at a location below the outlet and a predetermined level of liquid is maintained in the manhole. The guide member comprises a base with a pair of upstanding wings that project above the predetermined level to present a pair of guide members for the insertion of the cleanout tool.

REFERENCES:
patent: 4405135 (1983-09-01), Ries
patent: 4422209 (1983-12-01), Djordeuig

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