Interior padding for protective helmet, has closed, welded film, which comprises desired granules introduced in microgram, and hardness of interior padding is determined by inserting granules of synthetic material

摘要

The interior padding has a closed, welded film, which comprises the desired granules introduced in microgram. The hardness of the interior padding is determined by inserting granules of natural or nature-identical or synthetic material. The exact compliance with the required filling quantity is achieved by the aid of a water-soluble film.