Laminated environmental protection layer for acrylic aircraft wi

Details Laminated environmental protection layer for acrylic aircraft wi Laminated environmental protection layer for acrylic aircraft wi

1993-11-24

1995-08-22

Loney, Donald J.

Stock material or miscellaneous articles

Composite

Of polyamidoester

428192, 428213, 428332, 4284231, 2441293, 156 99, 156108, 156153, 156154, B32B 2700, B60J 100, B64C 114

Patent

active

054439124

ABSTRACT:
A laminated environmental protective layer for acrylic aircraft windows provides significant improvement in the performance of original production windows and in repair of damaged aircraft windows. A thin chemical and erosion resistant outer protective layer of environment resistant transparent material is laminated to the exterior acrylic surface of the aircraft window using a thin urethane interlayer. Use of chemically strengthened glass for the outer protective layer and hot processing of the laminate increases impact resistance. Addition of an inner balancing layer minimizes bowing of the processed window and enhances stiffness of the window and compression of the outer layer for additional impact resistance.

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