U.S. Patent Specifications

Abstract

A sheetlike skin construction material for aircraft comprising a corrugated sheet, a plurality of transverse reinforcements individually consisting of a flat strip of material disposed flatly across and flatly abutting and rigidly connnccted with the crests of the corrugations of said corrugated sheet and having a plurality of full flap like extensions individually extending into the troughs of said corrugated sheet.

Citation

(1944), "U.S. Patent Specifications", Aircraft Engineering and Aerospace Technology, Vol. 16 No. 1, pp. 29-30. https://doi.org/10.1108/eb031091