Stock material or miscellaneous articles – Structurally defined web or sheet – Honeycomb-like
Patent
1986-06-17
1989-07-18
Epstein, Henry F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Honeycomb-like
52806, 181292, B32B 312
Patent
active
048492760
ABSTRACT:
A thermal insulating structure for providing thermal insulation, structural load accommodations, and noise attenuation for surfaces in aerospace systems that are exposed to high temperatures. At the side adjacent the structure to be protected is a high-temperature solid back sheet to which is adhesively bonded a honeycomb core having a perforated buried septum. A layer of cast fiber-ceramic insulation is secured to the honeycomb core, filling portions of the core outward from the septum and extending beyond the outer face of the core. To absorb structural loads, a densified top coat overlies the insulating layer. To minimize the transmission of shear-inducing loads into the insulating layer, the outer face of the honeycomb core has an irregular surface. Core cell vents extending through the walls of adjacent cells provide a controlled airspace between the back sheet and the buried septum through which a fluid coolant may be circulated.
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Title Page, Verso of Title Page and Page 136 of Webster's Seventh New Collegiate Dictionary, G. C. Merriam Company, Publishers, Springfield, Massachusetts.
Bendig Anna L.
McLaren Douglas
Epstein Henry F.
Hammar John C.
The Boeing Company
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