Protective helmet

• Main Author: MOORE, III DAN T
• Format: Patent
• Language: English
• Published: 24.09.2002
• Edition: 7
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; HATS; HEAD COVERINGS; HEADWEAR; HUMAN NECESSITIES; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

A protective helmet is provided which preferably has a hard outer shell and an energy-absorbing liner. The liner is made of low resilience or slow-recovery viscoelastic foam which is compression rate sensitive.