Closure plug for sealingly closing a hole in a structural...

Details Closure plug for sealingly closing a hole in a structural... Closure plug for sealingly closing a hole in a structural...

2005-11-01

2005-11-01

Brinson, Patrick (Department: 3754)

Pipes and tubular conduits

With closures and plugs

C138S092000

Reexamination Certificate

active

06959733

ABSTRACT:
A plug for closing a hole in a structural member includes a shank having an upper end with a recess extending toward the lower end of the shank. The recess divides the upper end into a central portion and an outer, deformable portion radially outwardly spaced from the central portion by the recess. The deformable portion has an engagement region deformable by and sealingly engageable with a wall of the hole when the shank is pressed into and retained by the hole. The flange extends radially outwardly from the outer, deformable portion. The engagement region has an outer diameter larger than an inner diameter of the hole, whereby the material of the engagement region can be deformed into the recess when the shank is pressed into the hole and the wall of the hole forms a groove in the engagement region thereby retaining the shank in the hole.

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