Abstract: A stopper device for blocking an aperture in a pipe member wall, a sheetrock wall and so forth, the stopper device comprising a substantially planar cap member with top and bottom sides, the top side further including a plurality of strengthening ribs with even-tapered ends extending along the surface thereof, a stem projecting from the bottom side of the cap member, the stem further including at least a pair of radially-spaced vanes extending along and projecting from its longitudinal axis, and a plurality of spaced apart axially-spaced circumferential webs each projecting radially from the longitudinal axis of the stem, and each being parallel to one another.
Type:
Grant
Filed:
April 11, 2001
Date of Patent:
March 26, 2002
Assignee:
Aqueduct Utility Pipe Contractor, Inc.
Inventors:
Robert Joseph Wagner, Mary Geragi, Timothy Wayne South