Stock material or miscellaneous articles – Structurally defined web or sheet – Nonplanar uniform thickness material
Patent
1983-07-01
1984-09-18
Thibodeau, Paul J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Nonplanar uniform thickness material
52814, 428182, 428595, B32B 328, B32B 330
Patent
active
044724730
ABSTRACT:
The invention is a structure for a strong, lightweight corrugated sheet. The sheet is planar or curved and includes a plurality of corrugation segments, each segment being comprised of a generally U-shaped corrugation 12 with a part-cylindrical crown 13 and cap strip 20, and straight side walls 14 and 15 with secondary corrugations 16 oriented at right angles to said side walls. The cap strip 20 is bonded to the crown 13 and the longitudinal edge 18 of said cap strip extends beyond edge 17 at the intersection between said crown and said side walls. The high strength relative to weight of the structure makes it desirable for use in aircraft or spacecraft.
REFERENCES:
patent: 1889784 (1932-12-01), Harter
patent: 2160677 (1939-05-01), Romanoff
patent: 3902288 (1975-09-01), Knudson
patent: 4084029 (1978-04-01), Johnson et al.
patent: 4144369 (1979-03-01), Wass
patent: 4198018 (1980-04-01), Brault
Bales Thomas T.
Davis Randall C.
Jackson L. Robert
Royster Dick M.
Manning John R.
Osborn Howard J.
The United States of America as represented by the Administrator
Thibodeau Paul J.
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