Stock material or miscellaneous articles – Structurally defined web or sheet – Honeycomb-like
Patent
1975-03-24
1977-05-24
Simmons, David A.
Stock material or miscellaneous articles
Structurally defined web or sheet
Honeycomb-like
156150, 156197, 156291, 204 38R, 204 58, 427409, B31D 302
Patent
active
040256812
ABSTRACT:
An environmentally durable, aluminum honeycomb structure is obtained by surface treatment and application of a polymeric film forming substance to the aluminum foil used in manufacture of honeycomb core prior to application of the adhesive and expanding the stacked and bonded core whereby the cells of the honeycomb core structure are formed. By application of a polymeric film forming substance before bonding, all surfaces of the honeycomb core are protected from corrosion and other environmental degradations. The presence of a polymeric film forming substance on honeycomb core surfaces aids in the formation of strong core-to-face sheet bonds by improving the fillet configuration and thereby the strength obtained in face sheet-to-core bonding.
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Donnelly Dennis J.
Marceau Joseph Arthur
McMillan Joseph Corey
Moji Yukimori
Simmons David A.
The Boeing Company
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