Patent attributes
This invention provides a device for use with sealing an orifice in a wall, comprising: a first annular member having an interior radius and a radial mating surface; a second annular member disposed on the first annular member opposite the radial mating surface and being axially aligned with the first annular member; a plurality of mounting portions disposed on the interior radius of the first annular member such that each mounting portion is substantially flush with the radial mating surface, wherein each mounting portion has a fastener orifice; and, an alignment pin disposed on at least one of the plurality of mounting portions, the alignment pin is substantially parallel to an axis of the first annular member. This invention also provides a device for use with sealing orifices wherein the alignment pin includes a spring biased securing end.
