Hole sealing water-tight plug
AssigneeJames Cooksey
InventorSteve M. Farr
Life of this patent
Estimating the term…
Abstract
Disclosed are several embodiments of a water-tight plug which are particularly suitable to close and seal holes drilled through the exterior wall surface of a house or mobile home during installation of insulation materials. The disclosed plugs include fluid-tight sealing means provided adjacent a head of the plug which is sandwiched during plug installation between a surface around the periphery of a hole and the plug head. In addition, the plugs include a projection from the plug head extending into the hole and a means for radially outwardly expanding at least a portion of the projection against the interior periphery of the hole and locking the projection in its radially expanded position to lock the plug in position.
Claims38
A plug for closing and sealing holes in a surface comprising:
- a head portion of predetermined outer dimensions having on one side thereof an outer surface adapted to abut a surface defining the periphery of a hole;
- and,
- a projection extending from said head portion at said one side for insertion into said hole, said projection including means for radially expanding at least a portion of said projection into engagement with the inside periphery of said hole to hold said plug in said hole, said projection comprising a resilient extension of said head portion on said one side, the interior wall of said extension tapering outwardly toward the interior periphery of a hole to be sealed along the axis of said extension from said head portion to the end of said extension, and said means for radially expanding said projection comprising a plate movable axially of and within said extension and disposed perpendicularly to said axis, said interior wall of said extension engaging with the outer edge of said plate, means for axially moving said plate from a rest position at the end of said extension toward said head portion along said interior wall causing expansion of an exterior peripheral wall of said extension, and at least one locking means spaced between the distal end of said extension and said head portion for retaining said plate in a predetermined locked position.
A plug for closing and sealing holes in a surface comprising:
- a head portion of predetermined outer dimensions having on one side thereof an outer surface adaped to abut a surface defining the periphery of a hole;
- and,
- a projection extending from said head portion at said one side for insertion into said hole, said projection including means for radially expanding at least a portion of said projection into engagement with the inside periphery of said hole to hold said plug in said hole, said projection being a flexible annular extension extending from said one side of said head portion and having at its outer periphery a first annular rippled portion of a first outer diameter taken at the peak of a ripple, said first annular rippled portion being adjacent said head portion, and a second annular portion of a second outer diameter which is less than said first outer diameter adjacent said first annular rippled portion, said flexible annular extension having on its inner wall an annularly rippled profile extending over at least a portion of its length, said plug further comprising a relatively inflexible insert having an annularly rippled profile complementary to the inner wall of said extension which is engageable therewith and which is movable toward said head portion, and means for moving said insert toward said head portion.
Dependencies are inferred from the claim text.