Accession Number : ADD000042

Title :   Method of Making an Acoustic Window Including Filling Honeycomb Cells Individually.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE NAVY WASHINGTON D C

Personal Author(s) : Bealor,Jesse L , Jr

Report Date : 09 Oct 1973

Pagination or Media Count : 5

Abstract : The patent describes an improved acoustic window or lens comprising a metallic core element and a thermoplastic filler which is shaped to conform to complex curves. A method of manufacture is also disclosed, wherein voids in said core are filled with particles of thermoplastic and then heated to melt the particles into a fluid which hardens to fill the voids.

Descriptors :   *Acoustic lenses, *Patents, Honeycomb structures, Honeycomb cores, Fillers, Thermoplastic resins, Manufacturing

Subject Categories : Acoustics

Distribution Statement : APPROVED FOR PUBLIC RELEASE