Foamed plastics used for filling cavities in aircraft structural components for greater stiffness at Lockheed Aircraft Corp; it has potential uses as insulation for aircraft electric equipment, vibration deadener in cabin doors and fuselage sections, and for soundproofing; Lockfoam is thermosetting, cellular gas expanded material obtained by chemical reaction of isocyanates and resinous polymers.
Foam plastic is lightweight stiffener
Aviation Week
Aviation Week ; 57 , n 17
1952
2 pages
Article (Journal)
English
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European Patent Office | 2021
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