High strength, lightweight pressurized structure for use as the

Details High strength, lightweight pressurized structure for use as the High strength, lightweight pressurized structure for use as the

1995-11-06

1998-02-10

Loney, Donald

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

428 72, 428 76, 428212, 244128, B64B 158, B32B 100

Patent

active

057166935

ABSTRACT:
A sandwich skin construction that is comprised of an internal structure comprising a plurality of cones disposed between two outer skins is disclosed. The interior contains a pressurized gas to give the resulting sandwich skin construction added strength over a similarly constructed non-pressurized structure of the same material with an equivalent mass. Various attributes of the cones can be adjusted, for example, size and angle, to optimize the performance of the sandwich skin construction to a variety of external stresses. Moreover, a method is provided for manufacturing the sandwich skin construction. The structure can be placed in a pressurized environment before attaching the outer skins.

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