Bright Heads

摘要

While typical ultrasonic welding applications are usually found in the automotive,packaging or textile industries or in the medical device sector,leisure and adventure articles are not among the classical applications.The present case involves a baseball cap with built-in,solar-powered LEDs that serve as headlamps in the dark(Title photo).The patented product frorn 2cLight Company Limited,Hillsborough,New Zealand,is manufactured in annual quantities of 500,000.