초록 ▼

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 surfa

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.

대표청구항 ▼

1. A stopper device for blocking an aperture in a pipe member wall, a sheetrock wall and so forth, said stopper device comprising:a substantially planar cap member with a top side and a bottom side, the cap member being adapted to seat the bottom side thereof flush against a peripheral surface porti

1. A stopper device for blocking an aperture in a pipe member wall, a sheetrock wall and so forth, said stopper device comprising:a substantially planar cap member with a top side and a bottom side, the cap member being adapted to seat the bottom side thereof flush against a peripheral surface portion surrounding said aperture; a stem projecting from the bottom side of the cap member; a plurality of circumferential webs that each radially project from the longitudinal axis of said stem, and are axially spaced from one another; and a plurality of strengthening ribs extending along the surface of the top side of the cap member.