F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 5/10 (2006.01) F16L 3/10 (2006.01)
Patent
CA 2574678
A hydro penetration prevention sleeve is used when building a basement wall wherein said basement wall is subject to leakage from ground water especially pipes that have to be placed through the wall. The pipe, mostly a sewage pipe, has to be placed into the wall at a height which is just above the sewage pipe located outside the building or house so that gravity can carry the sewage toward the outside pipe. A main sleeve is placed into a concrete casing that will form the wall just prior to casting the concrete into the casting. The sleeve consists of PVC and is made of two halves that interfit with each other and are glued together to accommodate any preset dimension that matches the preset dimension of the concrete forms prior to casting. The main sleeve has an interior hard rubber sleeve that has rings extending to an interior of the sleeve and the rings are slanted in the direction of the insertion of the pipe to be inserted therein. When the pipe is inserted therein, the slanted rings are compressed by the pipe. The pipe cannot be moved into the opposite direction because of the compression and friction of the rings. There are other elements used in sealing the ends of the main sleeve. One embodiment can be used to seal pipes against concrete in existing installations.
French David J.
Staskal Jeffery Gene
LandOfFree
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