Composite material structure with integrated insulating blanket

Details Composite material structure with integrated insulating blanket Composite material structure with integrated insulating blanket

1984-03-23

1986-01-28

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including stitching and discrete fastener, coating or bond

156148, 428116, 428246, 428251, 428298, 428408, 428920, B32B 306

Patent

active

045670765

ABSTRACT:
A load-bearing composite material structure (2) includes a first ply (10) of fiber reinforced composite material, and an integral blanket (20) for thermal and flame protection. Blanket (20) includes an outer flame resistant face sheet (28), an intermediate layer of insulation fill (26), and an inner face sheet (22). Sheet (22) is formed by a second ply of fiber reinforced composite material. Preferably, a thin film (24) is provided between ply (22) and fill (26) to prevent absorption of matrix material into fill (26). The layers (22, 24, 26, 28) of blanket (20) are stitched together with flame resistant thread (30). Plies (10, 22) are cured together to bond them together and integrate blanket (20) into structure (2).

REFERENCES:
patent: 4086737 (1978-05-01), Byrd
patent: 4256790 (1981-03-01), Lackman et al.

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