U.S. Patent Specifications
Aircraft Engineering and Aerospace Technology
Article publication date: 1 October 1947
A rib for aircraft comprising, in combination; a pair of contralateral members, each having upper and lower flanges, webs connecting said flanges, offset surfaces on said webs for securing one member to the other; and means bonding said offset surfaces to‐gether; the offset surfaces providing aligned upper and lower slots between said edges of said flanges, and elongated vertical passages between the webs and the slots.
(1947), "U.S. Patent Specifications", Aircraft Engineering and Aerospace Technology, Vol. 19 No. 10, pp. 337-338. https://doi.org/10.1108/eb031566
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