Cap for sealling a bathtub overflow port for testing purposes

Abstract

A temporary closure for a bathtub overflow port, comprising placing on the outer end of a drain pipe extending through the overflow port a solid cap threaded on the outer end and a cap with an outer face with an aperture thereon covered by a sealing diaphragm.

What is claimed is:  
     
         1 . An overflow system for a bathtub which has a bottom, and adjacent side and endwalls, a drain port in the bottom, and overflow port in an endwall, comprising, 
 a drain pipe adapted to be in communication with said drain port and said overflow port,    said drain pipe having an inverted L-shape, including a horizontal leg extending into and through the overflow part of the bathtub, and a vertical leg extending downwardly for connection to a fluid drain system,    threads on the horizontal leg extending through the overflow port, and    a cap threadably mounted on an end of the horizontal leg extending through the overflow port,    the cap having an opening in its circular planar end, with a thin sealing membrane secure to the cap and extending over the opening in the circular planar end.    
     
     
         2 . A plumbing test system comprising, 
 a pipe having a first exposed end and second end in communication with a fluid source, wherein the first end comprises a threaded portion;    a cap assembly threadably mounted on the first end and wherein a portion of the cap assembly is composed of a material capable of sealing the first end when the cap is threaded onto the first end;    the cap assembly contains a cap having an opening in a planar end, with a sealing member secured to the cap and extending over the opening in the planar end. cap and extending over the opening in the planar end.    
     
     
         3 . The device of  claim 1  wherein the cap has a circular planar end with a perimeter terminating in an externally threaded annular flange for interconnection with internal threads on the horizontal leg.