Graphite or carbon fiber composite structure, low temperature cu

Fluid sprinkling – spraying – and diffusing – Reaction motor discharge nozzle

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Details

156297, 156299, 156330, 239DIG19, 428114, 428255, 428294, 428298, 428413, 428902, B63H 1100, B32B 3100, B32B 700, D03D 900

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041824954

ABSTRACT:
Accordingly the present invention provides a method of construction using a raphite or carbon fiber composite structure with a low temperature cure epoxy resin system to have a material system of minimum weight, high strength and high stiffness which eliminates a secondary bonding operation to effect load transfer between structural components and to have service life compatible to its use environment. A graphite or carbon fiber, preimpregnated with a low temperature (195.degree. F.) curing epoxy resin prepared in the form of unidirectional tape, is laid up or wrapped over a contour form and then cured to provide stiffness and strength equal to or exceeding those of a selected metal such as aluminum or steel.

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patent: 3649435 (1972-03-01), Varlas
patent: 3768760 (1973-10-01), Jensen
patent: 3826708 (1974-07-01), Dervy
patent: 3925587 (1975-12-01), Park
patent: 3953641 (1976-04-01), Marquis
patent: 3959544 (1976-05-01), Rogers
patent: 3994762 (1976-11-01), Wrzesien et al.
patent: 4063684 (1977-12-01), O'Brien et al.

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