E - Fixed Constructions – 03 – D
Patent
E - Fixed Constructions
03
D
E03D 11/16 (2006.01) E03D 11/17 (2006.01)
Patent
CA 2582755
A closet flange includes a body having a lower body portion containing a bore and an upper body portion containing an inlet opening in fluid communication with the bore. Within the body is a knockout for closing off the bore. The knockout has a frangible connection with an interior wall of the body and one or more portions that extend radially outwardly into a portion of the inlet opening that has a larger diameter than the bore to permit the knockout to be broken out of the body while preventing the knockout from passing all the way through the bore.
Oatey Co.
Smart & Biggar
LandOfFree
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