Security Drain Plug for Armor and the Like.
Patent application, filed 23 Oct 89,
DEPARTMENT OF THE ARMY WASHINGTON DC
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The drain plug structure according to this invention has a solid body formed of a material compatible with the armor plate into which the drain plug is to be placed and permanently secured such as by means of locking pins or welding. The plug has at least one blind cavity having an open end communicating with the interior of the armor structure to be drained, the cavity opening preerably being covered with a screen or other mesh like material, the cavity having a blind end which terminates short of the surface of the plug. Patent applications. SDW
- Manufacturing and Industrial Engineering and Control of Production Systems
- Combat Vehicles