Patent ID: 7464727

Claim:
A clean-out plug for use with a pipe system clean-out, the clean-out defining a clean-out end and having an inner surface, a portion of which is threaded, said clean-out plug comprising: a first plate configured to allow a portion of a retaining member to pass therethrough and comprising: a flange, the flange defining an outer end surface and a radially disposed inner contact surface, the inner contact surface configured to abut the clean-out end; and a core extending from the flange and configured to fit inside the clean-out, the core further defining a radially disposed retaining recess; a compressible ring-shaped sealing member configured to be removably attached to the first plate by the retaining recess and defining a peripheral sealing surface and an angled contact surface extending inward from the peripheral sealing surface; and a second plate, opposing the first plate and defining an end surface and a radially disposed angled contact surface extending inward from the end surface, the second plate configured to receive a portion of the retaining member such that when the retaining member engages the second plate, the first and second plates are drawn together, and wherein the angled contact surfaces of the second plate and the sealing member are configured such that upon drawing the first and second plates together, the sealing member is compressed between the first plate and the second plate and extends outwardly to seal against the inner surface of the clean-out behind is the threaded portion.