Process and devices for retaining vehicles on a highway

摘要

This invention relates to safety devices placed on the side of highways, of the barrier, rail or curb type, comprising a continuous strip parallel to the road and exposed to the shocks of the vehicles, intended for retaining the latter, which continuous strip bears a solid or pasty sliding coating, for example a coating of polytetrafluoroethylene or a solid silicone resin, or a layer of a paraffin wax or of micronized graphite, or a layer of grease.