Patent ID: 7334608
Filing Date: 2008-02-26
Classification: E03F,F16L

Abstract:
1. A removable sanitary sewer system friction plug, which is essentially cylindrically hollow in configuration and is inserted into the pipe below the cleanout adaptor, “T” or “Y” of a sanitary sewer system; said device having a substantially hollow handle firmly connected to the entire interior rim of the bottom opening of the device and tapering upward to substantially the same height as the edge of the top opening of the device; wherein said handle has a small opening in the top surface; said handle is positioned in the middle of the plug; said handle is formed as part of the plug; said handle has a first end and a second end; wherein a valve is positioned on the first end of the handle; wherein the second end of the handle is formed as part of the device; said handle allows the device to be inserted into the piping system; wherein rings of material are located on the outside surface of the device and are placed at equal intervals along the outside surface of the device; wherein said rings of material are separated by chevrons; said chevrons extend outward from the outer surface of the device to provide a tight fit within the pipe below the cleanout adaptor, “T” or “Y”; wherein the chevrons are made of a flexible material to provide a seal to prevent intrusion of unwanted fluids and to allow ease of insertion or removal of the device; wherein a purge valve is located on the top surface of the handle and is positioned over the small opening; said purge valve is a uni-directional valve; said device is constructed of substantially anti-corrosive material.