Storm drainage conduit plug and sealing band therefor

Details Storm drainage conduit plug and sealing band therefor Storm drainage conduit plug and sealing band therefor

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 55/11 (2006.01) E03F 3/06 (2006.01) F16L 55/115 (2006.01)

Patent

CA 2243278

A reusable stone drainage conduit plug (10) and elastomeric sealing band (14) therefor for temporarily or permanently sealingly closing an exposed open end of an in-situ tubular drainage conduit. The plug (10) is nominally sized in diameter to prevent dirt and debris from entering the conduit open end during construction and is easily removable when construction proceeds further. The plug (10) includes a rigid disc-shaped member having an inner (18) and an outer panel (20) and a gripping handle (22) on the outer panel (20). A unique elastomeric sealing band (14) is elastically stretched for securement around a somewhat cylindrical sealing surface (26) which extends generally orthogonally and preferably at a slight taper from the inner panel (18). The resilient band (14) has a unique cross section which sealingly accommodates virtually all variations in the normal conduit inside diameter while providing both full sealing engagement and gripping, biased positional retention therein.

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