Structural component having a curved wall and apparatus for maki

Details Structural component having a curved wall and apparatus for maki Structural component having a curved wall and apparatus for maki

1984-11-09

1987-01-06

Bell, J. Karl

Static structures (e.g., buildings)

Curvilinear barrier

52 84, 52728, 52807, E04C 236

Patent

active

046336320

ABSTRACT:
A structural component having a curved wall, such as an aircraft fuselage pipe, has a grid structure formed of box frames produced by winding tapes of fiber reinforced synthetic material, so-called prepregs, onto mold bodies. These mold bodies are then assembled on a mandrel for covering with a planking and curing whereby the tapes are bonded together to form stringers intersecting with ribs in a grid structure and whereby the planking is bonded to the grid structure. The ribs are reinforced by fiber reinforced belt segments of synthetic material inserted into gaps between adjacent short ends of the mold bodies, whereby these belt segments are bonded to the ribs during curing. The belt segments have a width corresponding to a multiple of the width of the stringers and hence protrude radially inwardly. Preferably, an edge reinforcing strip of fiber reinforced material is arranged alongside the radially inner edge of the belt segments. The mandrel carries support rings which are axially displaceable along the mandrel and which carry mold body support plates by radially adjustable members for placing the support plates into a plurality of different positions for assembling, curing and mold body removal.

REFERENCES:
patent: 4171999 (1979-10-01), Allen
patent: 4450661 (1984-05-01), Whitener
patent: 4512837 (1985-04-01), Sarh et al.
patent: 4524556 (1985-06-01), Sarh et al.
patent: 4557090 (1985-12-01), Keller

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