USA As Represented by Secretary of the Navy

John A O'Malley

Joseph A Schmidt

Nick L Purcell

An ordnance venting system is provided to reduce the danger of explosion in rdance items exposed to fires and includes an ordnance item having a number of holes in the ordance casing, each hole being covered by a bimetallic patch which will deform when subjected to high temperatures, and each patch being attached by means such as brazing, soldering or adhesive bonding.

Bending type ordnance venting device

An ordnance venting system is provided to reduce the danger of explosion in rdnance items exposed to fires and includes an ordance item having a number of holes in the ordnance casing, each hole covered by a metallic patch having a different differential expansion in relation to the casing to provide shearing forces when subjected to high temperatures, and a means of attaching the patches to the casing over the holes.

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Ridgecrest, CA, United States of America

John A O'Malley