Patent Number: 6,301,718

Title: Protective helmet

Abstract: A protective helmet that includes a cap, a protective padding, possibly acomfort padding, and a retaining system. According to the invention, thecap has a visual impact indicator whose state changes when the cap issubject to an impact exceeding a predetermined threshold. For example, theindicator is formed by a capillary tube sealed at both ends enclosing adrop of colored liquid trapped between two gas bubbles. The inventionapplies to any type of helmet, for the practice of a sport, formotorcycling, for professional use, or as a safety helmet.

Inventors: Rigal; Jean-Pierre (La Balme de Sillingy, FR)


International Classification:

Expiration Date: 10/16/2013