Wall sleeves

Details Wall sleeves Wall sleeves

F - Mech Eng,Light,Heat,Weapons

16

L

248/17

F16L 3/16 (2006.01) F16L 5/08 (2006.01)

Patent

CA 1243007

WALL SLEEVES Abstract of the Disclosure A one-piece, unitary, molded resin wall sleeve precursor member has cup-shaped end sections of external diameter D each having a radial flange, with each flange connecting to a hollow transition section that in turn connects to one end of a series of N coaxial sleeve sections of internal diameter D, the sleeve sections being interconnected by N-1 hollow water stop sections having diameters much larger than D. A wall sleeve assembly is derived from this precursor member by cutting off the end sections at their flanges and cutting off the transition sections to leave a wall sleeve, including the water stop and sleeve sections, having a total length L approximately equal to the width W of a concrete wall. The cup-like end sections are inserted into the ends of the wall sleeve, and their flanges afford a convenient means to anchor the resulting assembly to a concrete form.

479916

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