Woven core structure

Details Woven core structure Woven core structure

1990-03-13

1992-07-07

Robinson, Ellis P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

428116, 428119, 428120, 428176, 428182, 428180, 428185, 428183, 428184, 428186, 52795, 52798, B05C 3107

Patent

active

051281953

ABSTRACT:
A woven core structure (2) includes a first and second face sheets (4, 6) with inner surfaces (16, 18) facing one another. First and second sets of corrugated ribbons (8, 10) are positioned between the face sheets. The ribbons have nodes (12, 14) which are secured to the inner surfaces of the face sheets. The first set of ribbons extend transversely to, and preferably perpendicular to the second set of ribbons. The first and second sets of ribbons are woven such that the nodes of the first set of ribbons are spaced apart from and generally opposite the nodes of the second set of ribbons. This arrangement permits an increase in the node contact area (26) between the nodes and the face sheets to enhance the bond strength between the ribbons and the face sheets and to increase the skin deformation strength of the structure. The angle between the ribbons and the face sheets can be adjusted to optimize shear strength versus tension/compression strength.

REFERENCES:
patent: 3574103 (1971-04-01), Latkin
patent: 3869778 (1975-03-01), Yancey

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