FIELD: means of individual protection, in particular, crash helmet cases. SUBSTANCE: crash helmet case has a flexible shell of dry unimpregnated layers of aramidic fabric stitched by high-strength threads, located on the surface of a rigid framework made, for instance, of high-pressure polyethylene. The shell and framework are fastened, for instance, by adhesive compound. EFFECT: enhanced reliability. 4 dwg
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Authors
Dates
1997-03-10—Published
1995-05-18—Filed