Questionnaire to 11 companies manufacturing or selling the products tested Performance of emergency escape hammers Of the 188 respondents, 89 persons were unable to shatter glass with an emergency escape hammer for some reason. Of those who know emergency escape hammers, 188 respondents have used an emergency escape hammer.About 40% of the respondents don't know that some types of glass are unbreakable with an emergency escape hammer.Įxperience of using an emergency escape hammer About 70% of the respondents don't know which type of glass is used for doors of their cars.Some respondents keep the tool where a driver cannot reach when wearing a seat belt and trapped inside a car (e.g.Of those who know emergency escape hammers, about 20% keep an emergency escape hammer in their cars.Questionnaire survey results Consumer questionnaire (5,000 respondents) Percentage of consumers who know emergency escape hammers and keep one in their cars JIS marked automotive laminated glass is marked "L" or "LP" next to the JIS mark. It is also used for door glass, side glass and rear glass of some car models. Laminated glass is always used for windshield of any car models. It's unbreakable with an emergency escape hammer. Laminated glass is not easily pierced through. The interlayers work to support and hold the glass even when broken. Laminated glass is made by pasting soft resin between two or more pieces of glass sheet. JIS marked automotive tempered glass is marked "T" or "TP" next to the JIS mark. Tempered glass is mainly used for door glass, side glass and rear glass. Tempered glass is breakable with an emergency escape hammer. When shattered, tempered glass breaks into particles and less likely to generate sharp fragments. It's a type of glass which is hardened by thermal treatment, etc. A seat belt cutter is attached to most of emergency escape hammers. Emergency escape hammersĮmergency escape hammers are roughly divided into three types: T shape hammers (a user grips the bar during use) pick type hammers (a user grips the bar and uses like a pick) and punch type hammers (a user presses the pointed end firmly against glass). Based on the findings, NCAC would like to inform how to escape from a submerged car appropriately. Therefore, NCAC decided to conduct a questionnaire survey on use of emergency escape hammers and types of automotive glass and to test emergency escape hammers and seat belt cutters attached to emergency escape hammers. Such door glass is unbreakable with an emergency escape hammer. Recently, an increasing number of car models use laminated glass for door glass to improve quietness. In 20, NCAC issued a consumer alert on some cutters which took much time to cut a seat belt and some hammers which were unable to break door glass. When trapped inside a car, an emergency escape hammer for cars (hereafter called "emergency escape hammer") is useful for a passenger to cut seat belts and break door glass (glass for driver's door, assistant driver's door or backseat doors) or side glass (glass for sliding doors) to escape from a car. If a car is overturned, its seat belt is loaded by an occupant, which makes it difficult to unlock the seat belt. In addition, a door deformed due to a crash may not open. Further flooding may cause electrical problems and may stop power windows from working. When a car is submerged to a certain degree underwater, it is difficult to open a door due to hydraulic pressure. In recent years, it has been more frequently reported that roads were flooded due to heavy rain or river flooding and some passengers were trapped in submerged cars. Break car glass with emergency escape hammer in case of submersion! Prepare for flood
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