Concrete floor embedded coupling for plastic pipe

Details Concrete floor embedded coupling for plastic pipe Concrete floor embedded coupling for plastic pipe

F - Mech Eng,Light,Heat,Weapons

16

L

285/23

F16L 55/07 (2006.01)

Patent

CA 1162210

Cornwall 4.1-2 CONCRETE FLOOR EMBEDDED COUPLING FOR PLASTIC PIPE ABSTRACT OF THE DISCLOSURE A coupling (10) for plastic pipe (100, 101, 102, 103) which is adapted to be embedded in a concrete floor (300) and to form part of a fluid flow path with the pipe (100 to 103) is described. In particular, the coupling (10) includes a tube (11), preferably integrally molded of plastic, with (1) an integral annular rim (17) inside the coupling (10) with parallel shoulders (18 and 19) perpendicular to a longitudinal cylindrical axis (14) of the tube (11) and with an annular face (20) parallel to the axis between the shoulders (18 and 19), (2) an attachment means, preferably an annular flange (21) with tabs (22) for nails (500) or the like, at one end of the tube (11), adapted to be secured to a form such as a wooden form for pouring the concrete floor (300) around the pipe (100 to 103) and coupling (10) and (3) a removeable cover (23) at the end of the tube (11) adjacent the attachment means (21) and adapted to prevent poured cement (300) from entering the inside of the tube (11). The coupling (10) is mounted on a form (200) and the concrete (300) flooring is poured around it. The coupling (10) is particularly adapted for supporting a toilet bowl mounting flange (400) in residential and commercial construction and for mounting plastic piping (101 to 103) between multiple levels of concrete floors (300), usually in commercial construc- tion.

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