Structural shell with reinforcing ribs connected via perforation

Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture

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428119, 428120, 428139, 428182, 428183, 428 99, 428133, 428132, 428140, 428 83, 428122, 428223, 428177, 264261, 264279, 5230916, B32B 324

Patent

active

051908034

ABSTRACT:
The manufacture of lightweight components having high strength properties can be improved in that a bowl-shaped shell (1) has reinforcing ribs (3) made from injected-on plastic in its interior (2) which are connected to the shell (1) at discrete connecting points (11) via perforations (12) in the shell (1), through which the plastic passes, extending beyond the surfaces of the perforations (12).

REFERENCES:
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patent: 3448550 (1969-06-01), Herr et al.
patent: 3462330 (1969-08-01), Greig et al.
patent: 3470598 (1969-10-01), Berthelsen
patent: 3732138 (1973-05-01), Almog
patent: 3770545 (1973-06-01), Jackson
patent: 3905171 (1975-09-01), Carqill et al.
patent: 4004774 (1977-01-01), Houston
patent: 4139664 (1979-02-01), Wenrick
patent: 4315964 (1982-02-01), Ozaki et al.

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