Accession Number : ADD018076

Title :   Liquid-Blocking Ring Assembly for Surface Drains.

Descriptive Note : Patent, Filed 1 Sep 94, patented 18 Jun 96,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON DC

Personal Author(s) : Salmond, Charles N ; Long, Cabot R

Report Date : Jun 1996

Pagination or Media Count : 6

Abstract : A light-weight, liquid-blocking ring assembly for a surface drain for preventing a harmful liquid spilled nearby from entering the drain, which can be quickly and easily installed by a single person, and includes positive verification that none of the undesired liquid has entered the drain. The assembly includes (1) a center portion having a latching mechanism for attaching and drawing the assembly towards the drain, (2) a peripheral band which surrounds and is spaced from the drain, and which carries at its bottom edge a resilient gasket conformable to the surface surrounding the drain, and (3) an intermediate structure connecting the center portion and the peripheral band without blocking a clear view of the entire surface surrounding the drain.

Descriptors :   *DRAINAGE, *AVIATION FUELS, *SPILLING, *PATENTS, COMMERCIAL AIRCRAFT, MILITARY AIRCRAFT, VERIFICATION, LIQUIDS, EDGES, SURFACES, SURFACE WATERS, BLOCKING, RINGS, BOTTOM, GASKETS, LATCHES

Subject Categories : Military Aircraft Operations
      Fuels
      Hydrology, Limnology and Potamology

Distribution Statement : APPROVED FOR PUBLIC RELEASE