Motor case with composite overwrap and method

Details Motor case with composite overwrap and method Motor case with composite overwrap and method

1991-10-31

1994-02-15

Carone, Michael J.

Firearms

Barrels

Materials or coatings

89 15, 89 16, 60253, 156153, F41A 2102

Patent

active

052855929

ABSTRACT:
A motor case, including an aluminum barrel and a composite overwrap wound around the barrel to form a composite layer, which protects the operator against case failure during motor firing due to thermal effects caused by insulator defects or the like. The overwrap is formed of a fibrous material and a low temperature curable resin, the overwrap being mechanically bonded to the barrel. The method includes the steps of imparting texture to the outer surface of the barrel, wherein the textured surface includes jagged protrusions extending outwardly therefrom, wrapping an strip of fibrous material impregnated with a low temperature curable resin around the barrel, and curing the case.

REFERENCES:
patent: 2228332 (1937-03-01), Wick et al.
patent: 2847786 (1958-08-01), Hartley et al.
patent: 3517585 (1970-06-01), Slade
patent: 4646615 (1987-03-01), Gladstone et al.
patent: 4655866 (1987-04-01), Ferrier
patent: 4669212 (1987-06-01), Jackson et al.
patent: 4685236 (1987-08-01), May
patent: 5024711 (1991-06-01), Gasser et al.
patent: 5038561 (1991-08-01), Chase
patent: 5054224 (1991-10-01), Friar et al.

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