Thiokol Corporation

Robert G Gleeson

Rodney L Willer

John C Hill

Minn-Shong Chi

Frederick W Van Name

Michael A Gerace

The invention is a propellant rocket motor case designed to meet insensitive munitions requirements comprising a propellant surrounded by a case having slots therein, and a wrapping around the case, the wrapping comprising a load bearing material which can withstand the hoop load on the case during normal firing of said rocket, the material also having the characteristic of losing strength or melting at undesired temperatures above normal storage temperatures, but below the autoignition temperature of said propellant, so that during undesired high storage temperatures the propellant will exhaust any subsequently generated gases, due to any subsequent propellant burning, by venting through said slots thereby avoiding any explosion or undesired operative one-way thrust.

Solid propellant rocket motor case for insensitive munitions requirements

Solid propellants in which the oxidizer is a perchlorate are improved by the inclusion of diaminoglyoxime or diaminofurazan in the propellant compositions.

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Bear, DE, United States of America

Robert G Gleeson