Laminate material particularly adapted for hull of aerostats

Details Laminate material particularly adapted for hull of aerostats Laminate material particularly adapted for hull of aerostats

1990-02-16

1992-06-02

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

244 31, 428246, 428265, B32B 700

Patent

active

051185580

ABSTRACT:
A novel composite material in the form of a laminate is disclosed which has particular utility for forming gas-holding structures such as hull structures of aerostats. The laminate is composed of plies wherein a polyester fabric/strength member which is woven from a polyester yarn having low shrinkage, laminated to an amorphous, thermoplastic polyester film that provides distortion and shrinkage resistance during manufacture of the composite and fabrication into hull structures of an aerostat. The composite utilizes a thermoplastic polycarbonate polyurethane film on each side of the fabric to provide a dual gas barrier, weatherability, and a wear layer. The hull structure can be fabricated by radio frequency, thermal heating or adhesive cement techniques to provide structural seams on either side of the laminate material.

REFERENCES:
patent: 3519530 (1970-07-01), Struble, Jr.
patent: 4020209 (1977-04-01), Yuan
patent: 4762295 (1988-08-01), Yon, Jr.

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