Cellular core structure providing gridlike bearing surfaces on o

Details Cellular core structure providing gridlike bearing surfaces on o Cellular core structure providing gridlike bearing surfaces on o

1989-07-25

1991-07-02

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

428116, 428183, 428180, 428179, 428184, 428185, 428186, 428119, 428604, 428457, 4285377, 428500, 428224, 428 72, 428 73, 428213, 52807, 52792, 52798, 52799, B32B 312, B32B 328

Patent

active

050284746

ABSTRACT:
A three-dimensional structure adapted for use for instance as a core in sandwich panel-type construction, and comprised of substantially continuous unbroken sheet material to which has been imparted an alternating sequence of ridges and valleys, creating spaced rows of adjacent inclined rectangular-shaped facets connected by intermediate rows of adjoining parallelogram-shaped facets. The core structure provides substantially gridlike bearing surfaces on two opposing parallel bearing planes thereof to which face sheets may be affixed, to form a sandwich panel.

REFERENCES:
patent: 1875188 (1932-08-01), Williams
patent: 2160677 (1939-05-01), Romanoff
patent: 2561147 (1951-07-01), Smith
patent: 2912345 (1959-11-01), Weiss
patent: 4397902 (1983-08-01), Resch

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