A plastic-mold cutting apparatus using supersonic waves, equipped with a horn allowed to vibrate by supersonic waves from a supersonic oscillator, applies its horn on a plastic mold to cut the plastic mold at a prescribed position by use of the vibrational energy of the horn. An oscillating mechanism...http://www.google.es/patents/US4685602?utm_source=gb-gplus-sharePatente US4685602 - Plastic-mold cutting apparatus using supersonic waves
Plastic-mold cutting apparatus using supersonic waves
