Patent ID: 11946413
Assignee: THE BOEING COMPANY
Field: Transport (Mechanical engineering)
Classification: CPC B  F  Y | IPC B  F

Claim 19:
20. A method of forming a bulkhead for a nacelle of an aircraft engine, the method comprising:
forming a single annular web surface extending in a flat plane and having an inner flange and an outer flange;
forming at least one annular stiffener on a side of the single annular web surface and extending from the side of the single annular web surface to a free end; and
forming a plurality of radial stiffeners on the side of the single annular web surface where each one of the plurality of radial stiffeners extend from the side of the single annular web surface to a free end, and where each one of the plurality of radial stiffeners extends in a straight line radially across an entirety of a web height of the single annular web surface, the web height equal to a radial distance from the outer flange to the inner flange.