Patent ID: 11885126
Assignee: THE BOEING COMPANY
Field: Transport (Mechanical engineering)
Classification: CPC E  B | IPC B  E

Claim 17:
18. A method for making a floor assembly, the method comprising:
forming a pan that is configured to form or be positioned on a floor of an enclosed space, the pan defining a cavity, the pan comprising a pan floor and a frame, the frame disposed laterally outward of the pan floor and defining an inner zone and an outer zone;
forming a ridge interposed between the outer zone and the inner zone, wherein forming the ridge comprises forming an outer slope that slopes laterally outward and downward, and forming an inner slope that slopes laterally inward and downward;
forming a notch passing through the ridge; and
positioning a surround member over the frame, wherein positioning the surround member over the frame comprises positioning a lower surface slope of the surround member against an outer slope of the ridge of the frame.