Method for curvilinear folded structure production

Details Method for curvilinear folded structure production Method for curvilinear folded structure production

2003-11-20

2008-08-12

Tawfik, Sameh H. (Department: 3721)

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

C493S463000

Reexamination Certificate

active

07410455

ABSTRACT:
The invention can be defined in its most general form as the method for sheet material corrugation and can be used for production of aircraft curvilinear sandwich panel folded structure light corrugated core. With the aim to broaden the technological capabilities the corrugated blank is compressed from its sides to joining of ridges providing in its lateral section the curvature radius defined by the curvilinear folded structure design parameters and fixed in such condition block is thermally treated for inner stresses relief in the article material whereupon it is stretched to the curvilinear folded structure parameters given.

REFERENCES:
patent: 1875188 (1932-08-01), Williams
patent: 2561147 (1951-07-01), Smith
patent: 4397902 (1983-08-01), Resch
patent: 5028474 (1991-07-01), Czaplicki
patent: 0 400 424 (1990-12-01), None
patent: 1 025 983 (2000-08-01), None
patent: 2 123 874 (1984-02-01), None

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