METHODE DE FABRICATION DE DOUILLE DE CARTOUCHE INSTANTANEMENT ET COMPLETEMENT COMBUSTIBLE, FAITE DE MOUSSE RESINEUSE SYNTHETIQUE

摘要

1346828 Coated combustible cartridge cases TECHNICAL RESEARCH & DEVELOPMENT INSTITUTE SHOWA KASEIHIN KK and KANEGAFUCHI BOSEKI KK 15 July 1971 [23 July 1970] 33331/71 Heading B2E [Also in Divisions B5 and F3] A cartridge case made of foamed polyvinyl acetal optionally reinforced with polyvinyl acetal fibres or cloth, polyurethane or polystyrene has the pores on its external surface sealed with a composition comprising: nitrocellulose..2 parts nitrocellulose stabilizer..0.02 parts pigment..1 part thixotropic agent..2 parts solvent (a mixture of xylene, methylisobutylketone and butyl acetate)..50 parts A waterproof coating composition comprising vinylidene cholride and aluminium powder is subsequently applied thereto.