Patent ID: 6845528
Filing Date: 2005-01-25
Classification: E03C

Abstract:
1. A test plug assembly for blocking fluid flow through a bath tub opening to permit pressure testing of a drain and vent piping system communicating with the tub opening, the tub opening including an anchoring structure, said test plug assembly comprising: a plug having a central, axially extending aperture and having inner and outer ends, said plug including a resilient, compressible portion; an anchor located at said inner end of said plug and extending axially beyond said inner end of said plug for engagement with the anchoring structure; a threaded shaft passing through said aperture in said plug, said shaft being connected to said anchor; and a manually operated threaded actuator located at said outer end of said plug and threadedly engaging said shaft, said actuator being rotatable to draw said actuator toward said anchor for compressing said compressible portion of said plug; wherein said plug is biased apart from said anchor.