Interlaced Z-pin structures

Details Interlaced Z-pin structures Interlaced Z-pin structures

1996-03-19

1998-04-07

Choi, Kathleen

Stock material or miscellaneous articles

Structurally defined web or sheet

Including sheet or component perpendicular to plane of web...

428 99, 428116, 4283184, 4283193, B32B 500

Patent

active

057362220

ABSTRACT:
Improved pin-reinforced sandwich structure ties the face sheets (typically on opposite sides of a foam core) together with a plurality of Z-pins that extend into each face sheet (through the core). The pins are arranged in a an interlaced configuration off-normal to provide crack resistance around fasteners for connecting the composite structure to other structural elements in aerospace applications.

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patent: 5186776 (1993-02-01), Boyce et al.
patent: 5376598 (1994-12-01), Preedy et al.
patent: 5437750 (1995-08-01), Rinse et al.
patent: 5441682 (1995-08-01), Baker
patent: 5445861 (1995-08-01), Newton et al.
patent: 5466506 (1995-11-01), Freitas et al.

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