How have hard hats changed over time

  • Beginning of hard hats

    Hard hats began as tar covered hats to protect builders and dockworkers.
  • 1st civilian hard hat was made

    Franz Kafta created the 1st mass produced hard hat for everyine to buy and wear.
  • leather hard hats

    A Californian mining compnay sold leather hard hats commercially.
  • Bullard creates metal hard hats

    The same mining company was employed by the U.S. Navy to mass produce metal and hard boiled hard hats.
  • Hoover Dam Project

    The hard hat was worn by workers on the Hoover dam.
  • Golden Gate Bridge

    All workers on the Golden Gate Bridge were required to wear hard hats.
  • Aluminium Hard Hats

    Hard hats began to be commercially sold which were made of aluminium.
  • Fibreglass hard hats

    In the 1940's hard hats were made of fibreglass.
  • Thermoplastic helmets

    Hard hats were started to be produced with thermoplastics because they are light, flourescent, can withstand lots of pressure and heat.
  • Modern hard hats

    The Modern hard hats were finally produced, there were several features implemted including the V-straop and other safety features.