Closure for cylindrical pipe

A closure for covering and providing access to the interior of a cylindrical pipe or the like comprising:

• a nonmetallic resilient cap portion having a generally cylindrical shaped side wall, the inside surface of which is adapted to fittingly engage the outside of said pipe, the top of said cap portion having an inwardly directed flange integrally formed with said wall, said flange being in overlying relation to the end of said pipe and having a circular aperture defined by the inside of said flange, said flange forming a seat into which a cover portion of said closure can be snugly engaged;
• a nonmetallic resilient cover portion adapted to overlie said cap portion for covering said aperture, said cover portion being generally circular and having an outside diameter generally coextensive with said side wall, said cover portion having a transverse cylindrical extension the outer diameter of which is substantially similar to the inside diameter of said aperture, said extension snugly engaging said aperture when said cover portion is applied to said cap portion to cover said aperture;
• and,
• a ferromagnetic member attached to the underside of said cylindrical extension of said cover portion.