04384020 is referenced by 30 patents and cites 5 patents.

Honeycomb noise attenuation sandwich panels and method of construction having a cellular core positioned between and bonded to two facing sheets. One facing sheet is perforated and the other imperforate. A thin sheet of porous fibrous felt or fabric is bonded to the perforated sheet. The core cells communicate with the atmosphere through the perforated sheet and the pores of the fibrous sheet.

Title
Honeycomb noise attenuating structures
Application Number
219219
Publication Number
4384020
Application Date
January 11, 1982
Publication Date
May 17, 1983
Inventor
D W R Lawson
Bonita
CA, US
Frank J Riel
San Diego
CA, US
Stanley L Beggs
Chula Vista
CA, US
Agent
Frank D Gilliam
Patrick J Schlesinger
Assignee
Rohr
CA, US
IPC
B32B 3/12
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